SpecDirectory

Y5SZ036BD1

York · Geothermal Heat Pump

ENERGY STAR CertifiedGeothermal Heat Pumps →
EER

23.8–29.5BTU/Wh

COP

4.40–5.10

Refrigerant

Other

Rated Across

2loop types

High EERENERGY STAR Most Efficient

York Y5SZ036BD1: EER 29.5 BTU/Wh, better than 94% of geothermal heat pumps (category median 24.1 BTU/Wh).

Where this model sits

EER29.5BTU/Wh
16.1median 24.147.6

Better than 94% of geothermal heat pumps.

COP5.10
3.10median 4.405.60

The York Y5SZ036BD1 is a 29.5 BTU/Wh geothermal heat pump using Other. At 29.5 BTU/Wh it ranks better than 94% of the 2,204 certified geothermal heat pumps models.

Specifications

Efficiency
EER (best configuration)29.5BTU/Wh
EER (worst configuration)23.8BTU/Wh
COP (best configuration)5.10
COP (worst configuration)4.40
Configuration
Loop Types Rated2
Total Configurations Rated4
Model NameAffinity
RefrigerantOther
All 14 specifications
Identifiers
Model NumberY5SZ036BD1
ENERGY STAR IDES_1036337_Y5SZ036BD1_03042026010059_01218158046
PartnerWaterFurnace International, Incorporated
Date Qualified2026-07-23
Available From2025-01-02
MarketsUnited States, Canada

Documentation

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