SpecDirectory

UXH24-36MSK3IH

Intertherm · HP - Split System

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

16–18.2BTU/Wh

HSPF2

8.5–10BTU/Wh

Cooling Capacity

23000–34000BTU/hr

Cold Climate

Yes

Cold climate certified
ENERGY STAR Most Efficient

Intertherm UXH24-36MSK3IH: 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

Cooling34000BTU/hr
6000median 2400060000
SEER218.2BTU/Wh
15.2median 2035.1

The Intertherm UXH24-36MSK3IH is a 34000 BTU/hr hp - split system using R-32, a refrigerant with moderate global warming potential (GWP 675). 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 BTU/Wh. In this size range, comparable Midea models average 20 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)10BTU/Wh
HSPF2 (worst combination)8.5BTU/Wh
EER2 (best combination)12.5BTU/Wh
COP at 5 °F2
Capacity
Cooling Capacity (max)34000BTU/hr
Cooling Capacity (min)23000BTU/hr
Heating at 47 °F35000BTU/hr
Heating at 17 °F28200BTU/hr
Heating at 5 °F34000BTU/hr
All 25 specifications
Configuration
Product TypeHP - Split System
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
SeriesE Series
Indoor-Unit Combinations Rated4
Refrigerant
TypeR-32
GWP RatingR-32 (GWP:675 | Lower GWP)
Identifiers
Model NumberUXH24-36MSK3IH
ENERGY STAR IDES_1105164_UXH24-36MSK3IH_09262025043014_28217752953
PartnerNortek Global HVAC
Date Certified2026-06-09
Available From2025-09-26
MarketsUnited States, Canada

Documentation

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