SpecDirectory

RU-SZ24-LA-Q

Mitsutomo · HP - Split System

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

19–23.5BTU/Wh

HSPF2

9–11.1BTU/Wh

Cooling Capacity

24000BTU/hr

Cold Climate

Yes

Cold climate certified
High SEER2ENERGY STAR Most Efficient

Mitsutomo RU-SZ24-LA-Q: SEER2 23.5 BTU/Wh, better than 81% of air-source heat pumps (category median 20 BTU/Wh).

SEER2: better than 91% 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
SEER223.5BTU/Wh
15.2median 2035.1

Better than 81% of air-source heat pumps.

The Mitsutomo RU-SZ24-LA-Q is a 24000 BTU/hr hp - split system using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 23.5 BTU/Wh it ranks better than 82% 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)23.5BTU/Wh
SEER2 (worst combination)19BTU/Wh
HSPF2 (best combination)11.1BTU/Wh
HSPF2 (worst combination)9BTU/Wh
EER2 (best combination)13BTU/Wh
COP at 5 °F2.30
Capacity
Cooling Capacity (max)24000BTU/hr
Cooling Capacity (min)24000BTU/hr
Heating at 47 °F25000BTU/hr
Heating at 17 °F22400BTU/hr
Heating at 5 °F19000BTU/hr
All 25 specifications
Configuration
Product TypeHP - Split System
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
SeriesRU Series
Indoor-Unit Combinations Rated5
Refrigerant
TypeR-454B
GWP RatingR-454B (GWP:470 | Lower GWP)
Identifiers
Model NumberRU-SZ24-LA-Q
ENERGY STAR IDES_1152420_RU-SZ24-LA-Q_07232025043221_29217162566
PartnerPerfitTech LLC
Date Certified2026-05-28
Available From2024-05-20
MarketsUnited States, Canada

Documentation

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