SpecDirectory

HO-SZ24-AB-Q

Mitsutomo · HP - Split System

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

18.4–22.3BTU/Wh

HSPF2

9.3–11.5BTU/Wh

Cooling Capacity

23000–24000BTU/hr

Cold Climate

Yes

Cold climate certified
GWP 2088 · high impactENERGY STAR Most Efficient

Mitsutomo HO-SZ24-AB-Q: SEER2 22.3 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).

SEER2: better than 78% of the 1860 comparable models within 10% of this capacity. Their median is 19.2 BTU/Wh.

Where this model sits

Cooling24000BTU/hr
6000median 2400060000
SEER222.3BTU/Wh
15.2median 2035.1

The Mitsutomo HO-SZ24-AB-Q is a 24000 BTU/hr hp - split system using R-410A, a refrigerant with high global warming potential (GWP 2088). At 22.3 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 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)22.3BTU/Wh
SEER2 (worst combination)18.4BTU/Wh
HSPF2 (best combination)11.5BTU/Wh
HSPF2 (worst combination)9.3BTU/Wh
EER2 (best combination)12.5BTU/Wh
COP at 5 °F2.10
Capacity
Cooling Capacity (max)24000BTU/hr
Cooling Capacity (min)23000BTU/hr
Heating at 47 °F26000BTU/hr
Heating at 17 °F21000BTU/hr
Heating at 5 °F27000BTU/hr
All 25 specifications
Configuration
Product TypeHP - Split System
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
SeriesHO Series
Indoor-Unit Combinations Rated5
Refrigerant
TypeR-410A
GWP RatingR-410A (GWP:2088)
Identifiers
Model NumberHO-SZ24-AB-Q
ENERGY STAR IDES_1152420_HO-SZ24-AB-Q_07232025043212_29214056573
PartnerPerfitTech LLC
Date Certified2026-06-13
Available From2024-05-20
MarketsUnited States, Canada

Documentation

We link to manufacturer documentation at its original source rather than rehosting it, so you always get the current revision.

Similar Models