WaterFurnace / GEOTHERMAL HEAT PUMP

W5SZ048BD1

5 SERIES INDOOR SPLIT · EPA record 3998653

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 3998653. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
Heating COP5.0
Cooling EER · BTU/Wh27.6
Equipment / loop typeOpen Loop Water-to-Air
RefrigerantOther

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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 id3998653EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
brand nameWaterFurnaceEPA Sep 21, 2026
cop rating5.0EPA Sep 21, 2026
eer rating27.6EPA Sep 21, 2026
model name5 SERIES INDOOR SPLITEPA Sep 21, 2026
model numberW5SZ048BD1EPA Sep 21, 2026
product typeOpen Loop Water-to-AirEPA Sep 21, 2026
date qualified2025-02-24T00:00:00.000EPA Sep 21, 2026
refrigerant typeOtherEPA Sep 21, 2026
energy star partnerWaterFurnace International, IncorporatedEPA Sep 21, 2026
date available on market2025-01-02T00:00:00.000EPA Sep 21, 2026
energy star model identifierES_1036337_W5SZ048BD1_01012025003155_02216687120EPA Sep 21, 2026
meets most efficient criteriaYesEPA Sep 21, 2026