SpecDirectory

DXH24FMK3IH

Intertherm · HP - Mini or Multi Split

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

18–21BTU/Wh

HSPF2

8.1–10BTU/Wh

Cooling Capacity

24000BTU/hr

Cold Climate

Yes

Cold climate certified
ENERGY STAR Most Efficient

Intertherm DXH24FMK3IH: SEER2 21 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
SEER221BTU/Wh
15.2median 2035.1

The Intertherm DXH24FMK3IH is a 24000 BTU/hr hp - mini or multi split using R-32, a refrigerant with moderate global warming potential (GWP 675). At 21 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 more 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)21BTU/Wh
SEER2 (worst combination)18BTU/Wh
HSPF2 (best combination)10BTU/Wh
HSPF2 (worst combination)8.1BTU/Wh
EER2 (best combination)13.3BTU/Wh
COP at 5 °F2
Capacity
Cooling Capacity (max)24000BTU/hr
Cooling Capacity (min)24000BTU/hr
Heating at 47 °F24000BTU/hr
Heating at 17 °F23600BTU/hr
Heating at 5 °F21600BTU/hr
All 25 specifications
Configuration
Product TypeHP - Mini or Multi Split
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
SeriesMultizone Outdoors
Indoor-Unit Combinations Rated3
Refrigerant
TypeR-32
GWP RatingR-32 (GWP:675 | Lower GWP)
Identifiers
Model NumberDXH24FMK3IH
ENERGY STAR IDES_1020907_DXH24FMK3IH_09262024044519_8520613
PartnerNortek Global HVAC
Date Certified2026-03-17
Available From2024-09-26
MarketsUnited States, Canada

Documentation

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