SpecDirectory

ZMSB-24HV-USHH

ZERO · HP - Mini or Multi Split

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

21BTU/Wh

HSPF2

8.5BTU/Wh

Cooling Capacity

24000BTU/hr

Refrigerant

R-410A

GWP 2088 · Higher
GWP 2088 · high impactENERGY STAR Most Efficient

ZERO ZMSB-24HV-USHH: 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 ZERO ZMSB-24HV-USHH is a 24000 BTU/hr hp - mini or multi split using R-410A, a refrigerant with high global warming potential (GWP 2088). 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)21BTU/Wh
HSPF2 (best combination)8.5BTU/Wh
HSPF2 (worst combination)8.5BTU/Wh
EER2 (best combination)13BTU/Wh
COP at 5 °F1.90
Capacity
Cooling Capacity (max)24000BTU/hr
Cooling Capacity (min)24000BTU/hr
Heating at 47 °F26000BTU/hr
Heating at 17 °F17400BTU/hr
Heating at 5 °F16700BTU/hr
All 25 specifications
Configuration
Product TypeHP - Mini or Multi Split
Compressor StagingContinuously variable
Cold Climate CertifiedNo
Connected CapabilityNo
SeriesZMSB Series
Indoor-Unit Combinations Rated1
Refrigerant
TypeR-410A
GWP RatingR-410A (GWP:2088)
Identifiers
Model NumberZMSB-24HV-USHH
ENERGY STAR IDES_151563_ZMSB-24HV-USHH_03292024064352_7969640
PartnerZERO TECHNOLOGIES HOLDINGS LIMITED
Date Certified2026-04-17
Available From2024-03-27
MarketsUnited States, Canada

Documentation

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