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HEAT PUMPS · YOUR NEXT FACE-OFF

LG HM143MR U34 vs LG HM143MRS UB40

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

LG HM143MR U34

UK manufacturer configuration · HM143MR U34

Front view of R32 Monobloc S, 3Ø, 14kW HM143MR U34
Exact model & source notes

LG HM143MR U34 in the exact manufacturer-listed UK configuration.

Specifications checked 19 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications
WHAT DIFFERS
Manufacturer sound declarations and measurement methods61 / 57; 53 / 49; 39 / 3561 / 57; 39 / 35
NOMINAL CAPACITY AND COP (A+2/W+35) — COP3.633.55
NOMINAL CAPACITY AND EER (A+35/W+18) — EER4.304.70
3 of 7 verified differences, in the order listed below. Not a rating.
See the 7 verified differences
THE CONTENDER

LG HM143MRS UB40

UK manufacturer configuration · HM143MRS UB40

Front view of R32 Monobloc S II, 3Ø, 14kW HM143MRS UB40
Exact model & source notes

LG HM143MRS UB40 in the exact manufacturer-listed UK configuration.

Specifications checked 20 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

HM143MR U34 UK & US retailers

UK & US price history: no verified listing yet

HM143MRS UB40 UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison
  • Manufacturer facts for the exact models shown. Not a quality rating or a test result.
  • “Different” means the known values differ, not that one is better.
  • Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE7 topics
SELECTED TOPIC
01 / 07

Exact manufacturer unit purpose

Check the exact configuration and source conditions for your use.

LG HM143MR U34R32 Monobloc S, 3Ø, 14kW HM143MR U34

Manufacturer specification · Exact manufacturer Product heading. Official current catalogue classes: Heating Solution(AWHP). Indoor, outdoor, hydro and whole-package purposes are not substituted for one another.

LG HM143MRS UB40R32 Monobloc S II, 3Ø, 14kW

Manufacturer specification · Exact manufacturer Product heading. Official current catalogue classes: Air to Water Heat Pump. Indoor, outdoor, hydro and whole-package purposes are not substituted for one another.

Explore the full specifications

Check the exact configuration. Manufacturer specifications describe the listed variant. Confirm compatibility and the seller’s exact model before buying; no overall winner is inferred from incomplete evidence.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

7 verified differences, most decision-relevant first. All are also drawn in Visual facts above. Missing information stays separate.

Exact manufacturer unit purpose

In Visual facts
LG HM143MR U34R32 Monobloc S, 3Ø, 14kW HM143MR U34
LG HM143MRS UB40R32 Monobloc S II, 3Ø, 14kW
Sources
LG HM143MR U34

Manufacturer specification · Exact manufacturer Product heading. Official current catalogue classes: Heating Solution(AWHP). Indoor, outdoor, hydro and whole-package purposes are not substituted for one another.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Exact manufacturer Product heading. Official current catalogue classes: Air to Water Heat Pump. Indoor, outdoor, hydro and whole-package purposes are not substituted for one another.

LG UK — HM143MRS UB40 manufacturer specifications

Check the exact configuration and source conditions for your use.

Manufacturer efficiency declarations and source methods

In Visual facts
LG HM143MR U34EER 4.30 (A+35/W+18); EER 3.30 (A+35/W+7); COP 4.80 (A+7/W+35); COP 3.63 (A+2/W+35); COP 2.85 (A+7/W+55); SCOP (35℃ / 55℃) 4.62 / 3.46; Seasonal space heating eff. class (35℃ / 55℃) A+++/A++; Seasonal space heating efficiency (ηS) (35℃ / 55℃) 182 / 135
LG HM143MRS UB40COP 3.55 (A+2/W+35); COP 4.80 (A+7/W+35); COP 2.85 (A+7/W+55); EER 4.70 (A+35/W+18); EER 3.10 (A+35/W+7); SCOP (35℃ / 55℃) 4.62 / 3.46; Seasonal space heating eff. class (35℃ / 55℃) A+++/A++
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. NOMINAL CAPACITY AND EER (A+35/W+18) — EER: 4.30; NOMINAL CAPACITY AND EER (A+35/W+7) — EER: 3.30; NOMINAL CAPACITY AND COP (A+7/W+35) — COP: 4.80; NOMINAL CAPACITY AND COP (A+2/W+35) — COP: 3.63; NOMINAL CAPACITY AND COP (A+7/W+55) — COP: 2.85; SEASONAL EFFICIENCY DATA — SCOP (35℃ / 55℃): 4.62 / 3.46; SEASONAL EFFICIENCY DATA — Seasonal space heating eff. class (35℃ / 55℃): A+++/A++; SEASONAL EFFICIENCY DATA — Seasonal space heating efficiency (ηS) (35℃ / 55℃): 182 / 135. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. NOMINAL CAPACITY AND COP (A+2/W+35) — COP: 3.55; NOMINAL CAPACITY AND COP (A+7/W+35) — COP: 4.80; NOMINAL CAPACITY AND COP (A+7/W+55) — COP: 2.85; NOMINAL CAPACITY AND EER (A+35/W+18) — EER: 4.70; NOMINAL CAPACITY AND EER (A+35/W+7) — EER: 3.10; SEASONAL EFFICIENCY DATA (HEATING) — SCOP (35℃ / 55℃): 4.62 / 3.46; SEASONAL EFFICIENCY DATA (HEATING) — Seasonal space heating eff. class (35℃ / 55℃): A+++/A++. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications

Check the exact configuration and source conditions for your use.

Manufacturer sound declarations and measurement methods

In Visual facts
LG HM143MR U3461 / 57; 53 / 49; 39 / 35
LG HM143MRS UB4061 / 57; 39 / 35
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. SOUND POWER LEVEL — Rated / low noise mode (dB(A)): 61 / 57; SOUND PRESSURE LEVEL AT 1M (CONVERT USING SWL) — Rated / low noise mode (dB(A)): 53 / 49; SOUND PRESSURE LEVEL AT 5M (CONVERT USING SWL) — Rated / low noise mode (dB(A)): 39 / 35. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. SOUND POWER LEVEL (OUTDOOR UNIT) — Rated / low noise mode (dB(A)): 61 / 57; SOUND PRESSURE LEVEL AT 5M (OUTDOOR UNIT, CONVERT USING SWL) — Rated / low noise mode (dB(A)): 39 / 35. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications

Check the exact configuration and source conditions for your use.

Show 1 more verified difference
Missing or non-comparable evidence (23)

Manufacturer dimensions and configuration basis

LG HM143MR U34Not verified
LG HM143MRS UB401,320 x 1,019 x 520 mm
Sources
LG HM143MR U34

The manufacturer does not supply complete, unambiguous unit-labelled dimensions for the relevant product/components. Original declarations: none. Missing units or malformed component values are not guessed. · Manufacturer specification · The manufacturer does not supply complete, unambiguous unit-labelled dimensions for the relevant product/components. Original declarations: none. Missing units or malformed component values are not guessed.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Original units, axes and stand/component/handle basis retained. No packaging dimension or unstated unit is substituted. Manufacturer section: DIMENSIONS. Source field: Outdoor unit (W × H × D) (mm).

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

DIMENSIONS — Outdoor unit (W × H × D) (mm)

LG HM143MR U34Not verified
LG HM143MRS UB401,320 x 1,019 x 520
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

EXTERIOR — Color

LG HM143MR U34Warm gray
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

EXTERIOR — Color of outdoor unit chassis (Color / RAL code)

LG HM143MR U34Not verified
LG HM143MRS UB40Dawn gray / RAL 7037
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

EXTERIOR — Color of outdoor unit front grille (Color / RAL code)

LG HM143MR U34Not verified
LG HM143MRS UB40Dark dawn gray / RAL 7012
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

EXTERIOR — RAL code

LG HM143MR U34RAL 7044
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

PIPING CONNECTIONS (WATER) — Inlet diameter (inch)

LG HM143MR U34Male PT 1"
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

PIPING CONNECTIONS (WATER/OUTDOOR UNIT) — Inlet diameter (inch)

LG HM143MR U34Not verified
LG HM143MRS UB40Male PT 1"
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

PIPING CONNECTIONS (WATER/OUTDOOR UNIT) — Outlet diameter (inch)

LG HM143MR U34Not verified
LG HM143MRS UB40Male PT 1"
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

PIPING CONNECTIONS (WATER) — Outlet diameter (inch)

LG HM143MR U34Male PT 1"
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

POWER SUPPLY — Voltage, phase, frequency for outdoor unit (V, Ø, Hz)

LG HM143MR U34Not verified
LG HM143MRS UB40380 ~ 415, 3, 50
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

POWER SUPPLY — Voltage, phase, frequency (V, Ø, Hz)

LG HM143MR U34380-415, 3, 50
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SOUND POWER LEVEL (OUTDOOR UNIT) — Rated / low noise mode (dB(A))

LG HM143MR U34Not verified
LG HM143MRS UB4061 / 57
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SOUND POWER LEVEL — Rated / low noise mode (dB(A))

LG HM143MR U3461 / 57
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SOUND PRESSURE LEVEL AT 1M (CONVERT USING SWL) — Rated / low noise mode (dB(A))

LG HM143MR U3453 / 49
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SOUND PRESSURE LEVEL AT 5M (CONVERT USING SWL) — Rated / low noise mode (dB(A))

LG HM143MR U3439 / 35
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SOUND PRESSURE LEVEL AT 5M (OUTDOOR UNIT, CONVERT USING SWL) — Rated / low noise mode (dB(A))

LG HM143MR U34Not verified
LG HM143MRS UB4039 / 35
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

WEIGHT — Outdoor unit (Empty) (kg)

LG HM143MR U34Not verified
LG HM143MRS UB40117.0
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SEASONAL EFFICIENCY DATA (HEATING) — SCOP (35℃ / 55℃)

LG HM143MR U34Not verified
LG HM143MRS UB404.62 / 3.46
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SEASONAL EFFICIENCY DATA (HEATING) — Seasonal space heating eff. class (35℃ / 55℃)

LG HM143MR U34Not verified
LG HM143MRS UB40A+++/A++
Sources
LG HM143MR U34

No source recorded for this side.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SEASONAL EFFICIENCY DATA — SCOP (35℃ / 55℃)

LG HM143MR U344.62 / 3.46
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SEASONAL EFFICIENCY DATA — Seasonal space heating eff. class (35℃ / 55℃)

LG HM143MR U34A+++/A++
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

SEASONAL EFFICIENCY DATA — Seasonal space heating efficiency (ηS) (35℃ / 55℃)

LG HM143MR U34182 / 135
LG HM143MRS UB40Not verified
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

19 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

LG HM143MR U34

What it brings

What to check

  • Manufacturer claims do not establish independently measured performance, current retailer stock or price. Unlisted specifications remain explicitly unknown.

LG HM143MRS UB40

What it brings

What to check

  • Manufacturer claims do not establish independently measured performance, current retailer stock or price. Unlisted specifications remain explicitly unknown.
COMPARE THE DETAILS

Full specifications

How we verify
49 of 49 specifications Sources in each row
Source-backed specifications for LG HM143MR U34 and LG HM143MRS UB40
SpecificationLG HM143MR U34LG HM143MRS UB40
Manufacturer heating capacities at separate operating points
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. NOMINAL CAPACITY AND COP (A+7/W+35) — Heating capacity (kW): 14.00; NOMINAL CAPACITY AND COP (A+2/W+35) — Heating capacity (kW): 12.00; NOMINAL CAPACITY AND COP (A+7/W+55) — Heating capacity (kW): 11.50. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. NOMINAL CAPACITY AND COP (A+2/W+35) — Heating capacity (kW): 12.00; NOMINAL CAPACITY AND COP (A+7/W+35) — Heating capacity (kW): 14.00; NOMINAL CAPACITY AND COP (A+7/W+55) — Heating capacity (kW): 11.50. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications
14.00 kW (A+7/W+35); 12.00 kW (A+2/W+35); 11.50 kW (A+7/W+55)12.00 kW (A+2/W+35); 14.00 kW (A+7/W+35); 11.50 kW (A+7/W+55)
Manufacturer cooling capacities at separate operating points
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. NOMINAL CAPACITY AND EER (A+35/W+18) — Cooling capacity (kW): 14.00; NOMINAL CAPACITY AND EER (A+35/W+7) — Cooling capacity (kW): 14.00. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. NOMINAL CAPACITY AND EER (A+35/W+18) — Cooling capacity (kW): 14.00; NOMINAL CAPACITY AND EER (A+35/W+7) — Cooling capacity (kW): 14.00. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications
14.00 kW (A+35/W+18); 14.00 kW (A+35/W+7)14.00 kW (A+35/W+18); 14.00 kW (A+35/W+7)
Manufacturer efficiency declarations and source methodsDifferent
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. NOMINAL CAPACITY AND EER (A+35/W+18) — EER: 4.30; NOMINAL CAPACITY AND EER (A+35/W+7) — EER: 3.30; NOMINAL CAPACITY AND COP (A+7/W+35) — COP: 4.80; NOMINAL CAPACITY AND COP (A+2/W+35) — COP: 3.63; NOMINAL CAPACITY AND COP (A+7/W+55) — COP: 2.85; SEASONAL EFFICIENCY DATA — SCOP (35℃ / 55℃): 4.62 / 3.46; SEASONAL EFFICIENCY DATA — Seasonal space heating eff. class (35℃ / 55℃): A+++/A++; SEASONAL EFFICIENCY DATA — Seasonal space heating efficiency (ηS) (35℃ / 55℃): 182 / 135. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. NOMINAL CAPACITY AND COP (A+2/W+35) — COP: 3.55; NOMINAL CAPACITY AND COP (A+7/W+35) — COP: 4.80; NOMINAL CAPACITY AND COP (A+7/W+55) — COP: 2.85; NOMINAL CAPACITY AND EER (A+35/W+18) — EER: 4.70; NOMINAL CAPACITY AND EER (A+35/W+7) — EER: 3.10; SEASONAL EFFICIENCY DATA (HEATING) — SCOP (35℃ / 55℃): 4.62 / 3.46; SEASONAL EFFICIENCY DATA (HEATING) — Seasonal space heating eff. class (35℃ / 55℃): A+++/A++. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications
EER 4.30 (A+35/W+18); EER 3.30 (A+35/W+7); COP 4.80 (A+7/W+35); COP 3.63 (A+2/W+35); COP 2.85 (A+7/W+55); SCOP (35℃ / 55℃) 4.62 / 3.46; Seasonal space heating eff. class (35℃ / 55℃) A+++/A++; Seasonal space heating efficiency (ηS) (35℃ / 55℃) 182 / 135COP 3.55 (A+2/W+35); COP 4.80 (A+7/W+35); COP 2.85 (A+7/W+55); EER 4.70 (A+35/W+18); EER 3.10 (A+35/W+7); SCOP (35℃ / 55℃) 4.62 / 3.46; Seasonal space heating eff. class (35℃ / 55℃) A+++/A++
NOMINAL CAPACITY AND EER (A+35/W+18) — Cooling capacity (kW)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
14.0014.00
NOMINAL CAPACITY AND EER (A+35/W+18) — EERDifferent
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
4.304.70
NOMINAL CAPACITY AND EER (A+35/W+7) — Cooling capacity (kW)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
14.0014.00
NOMINAL CAPACITY AND EER (A+35/W+7) — EERDifferent
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
3.303.10
NOMINAL CAPACITY AND COP (A+7/W+35) — COP
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
4.804.80
NOMINAL CAPACITY AND COP (A+7/W+35) — Heating capacity (kW)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
14.0014.00
NOMINAL CAPACITY AND COP (A+2/W+35) — COPDifferent
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
3.633.55
NOMINAL CAPACITY AND COP (A+2/W+35) — Heating capacity (kW)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
12.0012.00
NOMINAL CAPACITY AND COP (A+7/W+55) — COP
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
2.852.85
NOMINAL CAPACITY AND COP (A+7/W+55) — Heating capacity (kW)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
11.5011.50
SEASONAL EFFICIENCY DATA — SCOP (35℃ / 55℃)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

4.62 / 3.46Not provided
SEASONAL EFFICIENCY DATA — Seasonal space heating eff. class (35℃ / 55℃)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

A+++/A++Not provided
SEASONAL EFFICIENCY DATA — Seasonal space heating efficiency (ηS) (35℃ / 55℃)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

182 / 135Not provided
SEASONAL EFFICIENCY DATA (HEATING) — SCOP (35℃ / 55℃)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not provided4.62 / 3.46
SEASONAL EFFICIENCY DATA (HEATING) — Seasonal space heating eff. class (35℃ / 55℃)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not providedA+++/A++
Manufacturer refrigerant type
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. REFRIGERANT — Type: R32. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. REFRIGERANT — Type: R32. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications
R32R32
REFRIGERANT — GWP
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
675675
REFRIGERANT — Type
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
R32R32
REFRIGERANT — Precharged amount (g)Different
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
2,0001,600
Manufacturer electrical supply requirements
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. POWER SUPPLY — Voltage, phase, frequency (V, Ø, Hz): 380-415, 3, 50. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. POWER SUPPLY — Voltage, phase, frequency for outdoor unit (V, Ø, Hz): 380 ~ 415, 3, 50. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications
380-415, 3, 50380 ~ 415, 3, 50
POWER SUPPLY — Voltage, phase, frequency (V, Ø, Hz)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

380-415, 3, 50Not provided
POWER SUPPLY — Voltage, phase, frequency for outdoor unit (V, Ø, Hz)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not provided380 ~ 415, 3, 50
Exact manufacturer unit purposeDifferent
Sources
LG HM143MR U34

Manufacturer specification · Exact manufacturer Product heading. Official current catalogue classes: Heating Solution(AWHP). Indoor, outdoor, hydro and whole-package purposes are not substituted for one another.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Exact manufacturer Product heading. Official current catalogue classes: Air to Water Heat Pump. Indoor, outdoor, hydro and whole-package purposes are not substituted for one another.

LG UK — HM143MRS UB40 manufacturer specifications
R32 Monobloc S, 3Ø, 14kW HM143MR U34R32 Monobloc S II, 3Ø, 14kW
Manufacturer dimensions and configuration basis
Sources
LG HM143MR U34

The manufacturer does not supply complete, unambiguous unit-labelled dimensions for the relevant product/components. Original declarations: none. Missing units or malformed component values are not guessed. · Manufacturer specification · The manufacturer does not supply complete, unambiguous unit-labelled dimensions for the relevant product/components. Original declarations: none. Missing units or malformed component values are not guessed.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Original units, axes and stand/component/handle basis retained. No packaging dimension or unstated unit is substituted. Manufacturer section: DIMENSIONS. Source field: Outdoor unit (W × H × D) (mm).

LG UK — HM143MRS UB40 manufacturer specifications
Not listed by the manufacturer1,320 x 1,019 x 520 mm
PIPING CONNECTIONS (WATER) — Inlet diameter (inch)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

Male PT 1"Not provided
PIPING CONNECTIONS (WATER) — Outlet diameter (inch)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

Male PT 1"Not provided
EXTERIOR — Color
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

Warm grayNot provided
EXTERIOR — RAL code
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

RAL 7044Not provided
DIMENSIONS — Outdoor unit (W × H × D) (mm)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not provided1,320 x 1,019 x 520
WEIGHT — Outdoor unit (Empty) (kg)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not provided117.0
EXTERIOR — Color of outdoor unit chassis (Color / RAL code)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not providedDawn gray / RAL 7037
EXTERIOR — Color of outdoor unit front grille (Color / RAL code)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not providedDark dawn gray / RAL 7012
PIPING CONNECTIONS (WATER/OUTDOOR UNIT) — Inlet diameter (inch)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not providedMale PT 1"
PIPING CONNECTIONS (WATER/OUTDOOR UNIT) — Outlet diameter (inch)
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not providedMale PT 1"
Manufacturer operating ranges and conditions
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. OPERATION RANGE (OUTDOOR AIR TEMPERATURE) — Cooling (Min. ~ Max.) (℃): 5 ~ 48; OPERATION RANGE (OUTDOOR AIR TEMPERATURE) — Heating & DHW (Min. ~ Max.) (℃): -25 ~ 35; OPERATION RANGE (LEAVING WATER TEMPERATURE) — Cooling (Min. ~ Max.) (℃): 5 ~ 27; OPERATION RANGE (LEAVING WATER TEMPERATURE) — Heating (Min. ~ Max.) (℃): 15 ~ 65; OPERATION RANGE (LEAVING WATER TEMPERATURE) — DHW (Min. ~ Max.) (℃): 15 ~ 80. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. OPERATION RANGE (LEAVING WATER TEMPERATURE) — Cooling (Min. ~ Max.) (℃): 5 ~ 27; OPERATION RANGE (LEAVING WATER TEMPERATURE) — DHW (Min. ~ Max.) (℃): 15 ~ 80; OPERATION RANGE (LEAVING WATER TEMPERATURE) — Heating (Min. ~ Max.) (℃): 15 ~ 65; OPERATION RANGE (OUTDOOR AIR TEMPERATURE) — Cooling (Min. ~ Max.) (℃): 5 ~ 48; OPERATION RANGE (OUTDOOR AIR TEMPERATURE) — Heating & DHW (Min. ~ Max.) (℃): -25 ~ 35. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications
5 ~ 48; -25 ~ 35; 5 ~ 27; 15 ~ 65; 15 ~ 805 ~ 27; 15 ~ 80; 15 ~ 65; 5 ~ 48; -25 ~ 35
Manufacturer sound declarations and measurement methodsDifferent
Sources
LG HM143MR U34

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. SOUND POWER LEVEL — Rated / low noise mode (dB(A)): 61 / 57; SOUND PRESSURE LEVEL AT 1M (CONVERT USING SWL) — Rated / low noise mode (dB(A)): 53 / 49; SOUND PRESSURE LEVEL AT 5M (CONVERT USING SWL) — Rated / low noise mode (dB(A)): 39 / 35. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification · Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. SOUND POWER LEVEL (OUTDOOR UNIT) — Rated / low noise mode (dB(A)): 61 / 57; SOUND PRESSURE LEVEL AT 5M (OUTDOOR UNIT, CONVERT USING SWL) — Rated / low noise mode (dB(A)): 39 / 35. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

LG UK — HM143MRS UB40 manufacturer specifications
61 / 57; 53 / 49; 39 / 3561 / 57; 39 / 35
SOUND POWER LEVEL — Rated / low noise mode (dB(A))
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

61 / 57Not provided
SOUND PRESSURE LEVEL AT 1M (CONVERT USING SWL) — Rated / low noise mode (dB(A))
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

53 / 49Not provided
SOUND PRESSURE LEVEL AT 5M (CONVERT USING SWL) — Rated / low noise mode (dB(A))
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

No source recorded.

39 / 35Not provided
OPERATION RANGE (OUTDOOR AIR TEMPERATURE) — Cooling (Min. ~ Max.) (℃)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
5 ~ 485 ~ 48
OPERATION RANGE (OUTDOOR AIR TEMPERATURE) — Heating & DHW (Min. ~ Max.) (℃)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
-25 ~ 35-25 ~ 35
OPERATION RANGE (LEAVING WATER TEMPERATURE) — Cooling (Min. ~ Max.) (℃)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
5 ~ 275 ~ 27
OPERATION RANGE (LEAVING WATER TEMPERATURE) — Heating (Min. ~ Max.) (℃)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
15 ~ 6515 ~ 65
OPERATION RANGE (LEAVING WATER TEMPERATURE) — DHW (Min. ~ Max.) (℃)
Sources
LG HM143MR U34

Manufacturer specification

LG UK — HM143MR U34 manufacturer specifications
LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
15 ~ 8015 ~ 80
SOUND POWER LEVEL (OUTDOOR UNIT) — Rated / low noise mode (dB(A))
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not provided61 / 57
SOUND PRESSURE LEVEL AT 5M (OUTDOOR UNIT, CONVERT USING SWL) — Rated / low noise mode (dB(A))
Sources
LG HM143MR U34

No source recorded.

LG HM143MRS UB40

Manufacturer specification

LG UK — HM143MRS UB40 manufacturer specifications
Not provided39 / 35
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LG Air to Water Heat Pumps  HM141MRS UB40, front view of a black outdoor unit featuring a grey wavy grille.

LG HM141MRS

Exact manufacturer unit purpose
R32 Monobloc S II, 1Ø, 14kW
Manufacturer heating capacities at separate operating points
14.00 kW (A+7/W+35); 12.00 kW (A+2/W+35); 11.50 kW (A+7/W+55)
Manufacturer cooling capacities at separate operating points
14.00 kW (A+35/W+18); 14.00 kW (A+35/W+7)
Prices & product profile
Front view of R32 Monobloc S, 1Ø, 14kW HM141MR U34

LG HM141MR U34

Exact manufacturer unit purpose
R32 Monobloc S, 1Ø, 14kW HM141MR U34
Manufacturer heating capacities at separate operating points
14.00 kW (A+7/W+35); 12.00 kW (A+2/W+35); 11.50 kW (A+7/W+55)
Manufacturer cooling capacities at separate operating points
14.00 kW (A+35/W+18); 14.00 kW (A+35/W+7)
Prices & product profile
Front view of R32 Hydrosplit Hydro Box, 3Ø, 14kW HN1600MC NK1 + HU143MRB U30

LG HN1600MC NK1 + HU143MRB U30

Exact manufacturer unit purpose
R32 Hydrosplit Hydro Box, 3Ø, 14kW HN1600MC NK1 + HU143MRB U30
Manufacturer heating capacities at separate operating points
14.00 kW (A+7/W+35); 12.00 kW (A+2/W+35); 11.50 kW (A+7/W+55)
Manufacturer cooling capacities at separate operating points
14.00 kW (A+35/W+18); 14.00 kW (A+35/W+7)
Prices & product profile
Front view of R32 Hydrosplit Hydro Box, 1Ø, 14kW HN1600MC NK1 + HU141MRB U30

LG HN1600MC NK1 + HU141MRB U30

Exact manufacturer unit purpose
R32 Hydrosplit Hydro Box, 1Ø, 14kW HN1600MC NK1 + HU141MRB U30
Manufacturer heating capacities at separate operating points
14.00 kW (A+7/W+35); 12.00 kW (A+2/W+35); 11.50 kW (A+7/W+55)
Manufacturer cooling capacities at separate operating points
14.00 kW (A+35/W+18); 14.00 kW (A+35/W+7)
Prices & product profile

Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.