SpecDirectory

GRH32IC18AS

CLASSIC · HP - Mini or Multi Split

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

21.5BTU/Wh

HSPF2

8.5BTU/Wh

Cooling Capacity

18000BTU/hr

Cold Climate

Yes

Cold climate certified
ENERGY STAR Most Efficient

CLASSIC GRH32IC18AS: SEER2 21.5 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).

Where this model sits

Cooling18000BTU/hr
6000median 2400060000
SEER221.5BTU/Wh
15.2median 2035.1

The CLASSIC GRH32IC18AS is a 18000 BTU/hr hp - mini or multi split using R-32, a refrigerant with moderate global warming potential (GWP 675). At 21.5 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 about as efficient as the peer median of 21 BTU/Wh. In this size range, comparable Midea models average 21.4 BTU/Wh and TOSOT models average 21 BTU/Wh.

Specifications

Efficiency
SEER2 (best combination)21.5BTU/Wh
SEER2 (worst combination)21.5BTU/Wh
HSPF2 (best combination)8.5BTU/Wh
HSPF2 (worst combination)8.5BTU/Wh
EER2 (best combination)11.8BTU/Wh
COP at 5 °F1.90
Capacity
Cooling Capacity (max)18000BTU/hr
Cooling Capacity (min)18000BTU/hr
Heating at 47 °F18500BTU/hr
Heating at 17 °F15000BTU/hr
Heating at 5 °F13000BTU/hr
All 25 specifications
Configuration
Product TypeHP - Mini or Multi Split
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
SeriesZeno
Indoor-Unit Combinations Rated1
Refrigerant
TypeR-32
GWP RatingR-32 (GWP:675 | Lower GWP)
Identifiers
Model NumberGRH32IC18AS
ENERGY STAR IDES_1127196_GRH32IC18AS_07092025025245_29216025773
PartnerRefricenter of Miami, Inc.
Date Certified2026-03-17
Available From2025-07-09
MarketsUnited States, Canada

Documentation

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