SpecDirectory

YAFS042**1*(1,2,4)*K

YORK BY JOHNSON CONTROLS · Geothermal Heat Pump

ENERGY STAR CertifiedGeothermal Heat Pumps →
EER

21.7–28.1BTU/Wh

COP

4–4.90

Refrigerant

R-410A

Rated Across

2loop types

High EERENERGY STAR Most Efficient

YORK BY JOHNSON CONTROLS YAFS042**1*(1,2,4)*K: EER 28.1 BTU/Wh, better than 89% of geothermal heat pumps (category median 24.1 BTU/Wh).

Where this model sits

EER28.1BTU/Wh
16.1median 24.147.6

Better than 89% of geothermal heat pumps.

COP4.90
3.10median 4.405.60

The YORK BY JOHNSON CONTROLS YAFS042**1*(1,2,4)*K is a 28.1 BTU/Wh geothermal heat pump using R-410A. At 28.1 BTU/Wh it ranks better than 90% of the 2,204 certified geothermal heat pumps models.

Specifications

Efficiency
EER (best configuration)28.1BTU/Wh
EER (worst configuration)21.7BTU/Wh
COP (best configuration)4.90
COP (worst configuration)4
Configuration
Loop Types Rated2
Total Configurations Rated2
Model NameAffinity
RefrigerantR-410A
All 14 specifications
Identifiers
Model NumberYAFS042**1*(1,2,4)*K
ENERGY STAR IDES_1036337_YAFS042**1*(1,2,4)*K_08302021100138_4722716
PartnerWaterFurnace International, Incorporated
Date Qualified2024-06-27
Available From2016-01-04
MarketsUnited States, Canada

Documentation

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