SpecDirectory

4PAMS36-HH-MZO4

PerfectAire · HP - Mini or Multi Split

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

19.4–21.5BTU/Wh

HSPF2

10.4–11.3BTU/Wh

Cooling Capacity

36000BTU/hr

Cold Climate

Yes

Cold climate certified
ENERGY STAR Most Efficient

PerfectAire 4PAMS36-HH-MZO4: SEER2 21.5 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).

SEER2: better than 79% of the 1795 comparable models within 10% of this capacity. Their median is 19 BTU/Wh.

Where this model sits

Cooling36000BTU/hr
6000median 2400060000
SEER221.5BTU/Wh
15.2median 2035.1

The PerfectAire 4PAMS36-HH-MZO4 is a 36000 BTU/hr hp - mini or multi split using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 21.5 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 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)21.5BTU/Wh
SEER2 (worst combination)19.4BTU/Wh
HSPF2 (best combination)11.3BTU/Wh
HSPF2 (worst combination)10.4BTU/Wh
EER2 (best combination)12.2BTU/Wh
COP at 5 °F2
Capacity
Cooling Capacity (max)36000BTU/hr
Cooling Capacity (min)36000BTU/hr
Heating at 47 °F36000BTU/hr
Heating at 17 °F38500BTU/hr
Heating at 5 °F38000BTU/hr
All 25 specifications
Configuration
Product TypeHP - Mini or Multi Split
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
Series4PAM Series
Indoor-Unit Combinations Rated3
Refrigerant
TypeR-454B
GWP RatingR-454B (GWP:470 | Lower GWP)
Identifiers
Model Number4PAMS36-HH-MZO4
ENERGY STAR IDES_1121980_4PAMS36-HH-MZO4_04072025232658_29217221815
PartnerPerfect Aire, LLC
Date Certified2026-05-06
Available From2025-04-08
MarketsUnited States, Canada

Documentation

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