SpecDirectory

D5CERAH18AAK

Heil · HP - Mini or Multi Split

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

20.3BTU/Wh

HSPF2

9.1BTU/Wh

Cooling Capacity

18000BTU/hr

Refrigerant

R-454B

GWP 470 · Lower
ENERGY STAR Most Efficient

Heil D5CERAH18AAK: SEER2 20.3 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
SEER220.3BTU/Wh
15.2median 2035.1

The Heil D5CERAH18AAK is a 18000 BTU/hr hp - mini or multi split using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 20.3 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 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)20.3BTU/Wh
SEER2 (worst combination)20.3BTU/Wh
HSPF2 (best combination)9.1BTU/Wh
HSPF2 (worst combination)9.1BTU/Wh
EER2 (best combination)11.5BTU/Wh
COP at 5 °F2
Capacity
Cooling Capacity (max)18000BTU/hr
Cooling Capacity (min)18000BTU/hr
Heating at 47 °F18800BTU/hr
Heating at 17 °F14000BTU/hr
Heating at 5 °F11500BTU/hr
All 25 specifications
Configuration
Product TypeHP - Mini or Multi Split
Compressor StagingContinuously variable
Cold Climate CertifiedNo
Connected CapabilityNo
SeriesD5C Series
Indoor-Unit Combinations Rated1
Refrigerant
TypeR-454B
GWP RatingR-454B (GWP:470 | Lower GWP)
Identifiers
Model NumberD5CERAH18AAK
ENERGY STAR IDES_1020846_D5CERAH18AAK_07132025231746_29215413263
PartnerCarrier Corporation
Date Certified2026-05-06
Available From2018-11-15
MarketsUnited States, Canada

Documentation

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