Wells / AIR-SOURCE HEAT PUMP

WSB-30HFMO

WSB Series · EPA record 4479231

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 4479231. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh21.00
EER2 · BTU/Wh11.00
HSPF2 · BTU/Wh9.10
Cooling capacity · BTU/h30000
Heating capacity at 47°F / 8.3°C · BTU/h30000
Heating capacity at 17°F / −8.3°C · BTU/h20600
Heating capacity at 5°F / −15°C · BTU/h18000
COP at 5°F / −15°C1.83
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 unitWSB-30HFMO
+
Indoor unitWSB-30HFMI

AHRI reference 214421466 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for WSB-30HFMO

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 id4479231EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f1.83EPA Sep 21, 2026
eer2 btu wh11.00EPA Sep 21, 2026
series nameWSB SeriesEPA Sep 21, 2026
cold climateNoEPA Sep 21, 2026
hspf2 btu wh9.10EPA Sep 21, 2026
model numberWSB-30HFMOEPA Sep 21, 2026
product typeHP - Mini or Multi SplitEPA Sep 21, 2026
seer2 btu wh21.00EPA Sep 21, 2026
date certified2026-06-13T00:00:00.000EPA Sep 21, 2026
manufacturer typeSystem ManufacturerEPA Sep 21, 2026
compressor stagingContinuously variableEPA Sep 21, 2026
energy star partnerWells Plumbing and Heating Supplies, Inc.EPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
refrigerant with gwpR-410A (GWP:2088)EPA Sep 21, 2026
ahri reference number214421466EPA Sep 21, 2026
cooling capacity btu h30000EPA Sep 21, 2026
indoor unit brand nameWellsEPA Sep 21, 2026
outdoor unit brand nameWellsEPA Sep 21, 2026
date available on market2024-05-20T00:00:00.000EPA Sep 21, 2026
indoor unit model numberWSB-30HFMIEPA Sep 21, 2026
energy star model identifierES_1150180_WSB-30HFMO_07142025043641_29214421466EPA Sep 21, 2026
heating capacity at 5 f btu h18000EPA Sep 21, 2026
meets most efficient criteriaYesEPA Sep 21, 2026
heating capacity at 17 f btu h20600EPA Sep 21, 2026
heating capacity at 47 f btu h30000EPA Sep 21, 2026
meets peak cooling requirementsYesEPA Sep 21, 2026
controls verification procedure cvp testENERGY STAR CVP TestEPA Sep 21, 2026