Westinghouse / AIR-SOURCE HEAT PUMP

WHP09SZA21S

Hi UNI · EPA record 2635334

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 2635334. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh22.00
EER2 · BTU/Wh13.70
HSPF2 · BTU/Wh9.00
Cooling capacity · BTU/h9000
Heating capacity at 47°F / 8.3°C · BTU/h9000
Heating capacity at 17°F / −8.3°C · BTU/h5000
Heating capacity at 5°F / −15°C · BTU/h6300
COP at 5°F / −15°C1.80
Equipment / loop typeHP - Mini or Multi Split
Refrigerant / source-reported GWPR-410A (GWP:2088)
Compressor stagingContinuously variable
Connected capabilityNo

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This listed system

These ratings apply to the listed configuration. Changing a component may change performance.

Outdoor unitWHP09SZA21S
+
Indoor unitWHP09WMA21S

AHRI reference 205417832 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for WHP09SZA21S

Specifications & provenance

Every value below is preserved from the source record. Checked Sep 21, 2026. Asterisks and other model wildcards are retained as published.

Source fieldReported valueEvidence
pd id2635334EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f1.80EPA Sep 21, 2026
eer2 btu wh13.70EPA Sep 21, 2026
series nameHi UNIEPA Sep 21, 2026
cold climateYesEPA Sep 21, 2026
hspf2 btu wh9.00EPA Sep 21, 2026
model numberWHP09SZA21SEPA Sep 21, 2026
product typeHP - Mini or Multi SplitEPA Sep 21, 2026
seer2 btu wh22.00EPA Sep 21, 2026
date certified2026-06-09T00:00:00.000EPA Sep 21, 2026
manufacturer typeSystem ManufacturerEPA Sep 21, 2026
compressor stagingContinuously variableEPA Sep 21, 2026
energy star partnerFujitsu General America, Inc.EPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
refrigerant with gwpR-410A (GWP:2088)EPA Sep 21, 2026
ahri reference number205417832EPA Sep 21, 2026
cooling capacity btu h9000EPA Sep 21, 2026
indoor unit brand nameWESTINGHOUSEEPA Sep 21, 2026
outdoor unit brand nameWestinghouseEPA Sep 21, 2026
date available on market2023-07-16T00:00:00.000EPA Sep 21, 2026
indoor unit model numberWHP09WMA21SEPA Sep 21, 2026
energy star model identifierES_28426_WHP09SZA21S_07162023102436_210709EPA Sep 21, 2026
heating capacity at 5 f btu h6300EPA Sep 21, 2026
meets most efficient criteriaYesEPA Sep 21, 2026
heating capacity at 17 f btu h5000EPA Sep 21, 2026
heating capacity at 47 f btu h9000EPA Sep 21, 2026
meets peak cooling requirementsYesEPA Sep 21, 2026
controls verification procedure cvp testENERGY STAR CVP TestEPA Sep 21, 2026