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US EQUIPMENT REFERENCE

Heat pump model directory / page 481

Browse air-source heat pump outdoor models listed for the US market. Compare SEER2 and HSPF2 source ratings, listed component combinations and documented coverage on each model page.

Before comparing ratings: how matched systems work.

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11,881 models · Source-backed US equipment index

A model may have several rated combinations.
WellsMultiple source series
Air-source heat pumpWMCA-18HFMOIndoor match not listed in 3 records
19–20.5SEER2
9–9.3HSPF2
3 records Check rating scope
WellsMultiple source series
Air-source heat pumpWMCA-27HFMOIndoor match not listed in 3 records
19–20.5SEER2
9.6–10HSPF2
3 records Check rating scope
WellsMultiple source series
Air-source heat pumpWMCA-36HFMOIndoor match not listed in 3 records
19.4–21SEER2
10–10.9HSPF2
3 records Check rating scope
WellsMultiple source series
Air-source heat pumpWMCA-48HFMOIndoor match not listed in 3 records
20.9–21.2SEER2
9–10HSPF2
3 records Check rating scope
WellsMultiple source series
Air-source heat pumpWMCA-55HFMOIndoor match not listed in 3 records
18.8–20SEER2
9.3–9.5HSPF2
3 records Check rating scope
WellsMultiple source series
Air-source heat pumpWMMA-18HFMOIndoor match not listed in 3 records
19–21SEER2
9.8–10.2HSPF2
3 records Check rating scope
WellsMultiple source series
Air-source heat pumpWMMA-27HFMOIndoor match not listed in 3 records
21–23.5SEER2
9.2HSPF2
3 records Check rating scope
WellsWMM Series
Air-source heat pumpWMMA-48HFMOIndoor match not listed in 1 record
21.1SEER2
9.5HSPF2
1 record Check rating scope
WellsWOM Series
Air-source heat pumpWOM-36HH5/230Indoor match not listed in 3 records
19.4–21.5SEER2
10.4–11.3HSPF2
3 records Check rating scope