SpecDirectory

37MURAQ24AA3

WEATHERMAKER · HP - Split System

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

16–18.2BTU/Wh

HSPF2

9–10.4BTU/Wh

Cooling Capacity

24000BTU/hr

Cold Climate

Yes

Cold climate certified
ENERGY STAR Most Efficient

WEATHERMAKER 37MURAQ24AA3: SEER2 18.2 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).

Where this model sits

Cooling24000BTU/hr
6000median 2400060000
SEER218.2BTU/Wh
15.2median 2035.1

The WEATHERMAKER 37MURAQ24AA3 is a 24000 BTU/hr hp - split system using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 18.2 BTU/Wh it ranks around the middle of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is less efficient than the peer median of 19.2 BTU/Wh. In this size range, comparable Midea models average 18.6 BTU/Wh and TOSOT models average 21 BTU/Wh.

Specifications

Efficiency
SEER2 (best combination)18.2BTU/Wh
SEER2 (worst combination)16BTU/Wh
HSPF2 (best combination)10.4BTU/Wh
HSPF2 (worst combination)9BTU/Wh
EER2 (best combination)11BTU/Wh
COP at 5 °F1.96
Capacity
Cooling Capacity (max)24000BTU/hr
Cooling Capacity (min)24000BTU/hr
Heating at 47 °F26000BTU/hr
Heating at 17 °F20800BTU/hr
Heating at 5 °F21600BTU/hr
All 25 specifications
Configuration
Product TypeHP - Split System
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
Series45M Series
Indoor-Unit Combinations Rated4
Refrigerant
TypeR-454B
GWP RatingR-454B (GWP:470 | Lower GWP)
Identifiers
Model Number37MURAQ24AA3
ENERGY STAR IDES_1020846_37MURAQ24AA3_09052025033021_28217730671
PartnerCarrier Corporation
Date Certified2026-05-01
Available From2025-09-05
MarketsUnited States, Canada

Documentation

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