Explore certified heat pump models

Filter every outdoor model in this refrigerant group. Each row’s numbers come from one representative AHRI certification (its best COP at 5°F). Sorting by a rating leaves out models without that rating.

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ExploreData as of Oct 9, 2026updated Oct 10, 2026 · sources

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Duct type: “Ducted (incl. mixed)” lists every model with a ducted or a mixed (multi-zone) certification, since a mixed system can serve ducted heads; “Ductless (incl. mixed)” every model with a ductless or a mixed one. The rankings compare mixed pairings with ductless units. Why

6 models

Sorted by manufacturer and model.

Page 1 of 1
# · Outdoor model	Size · type	COP@5°F	Cap. 5/47	HSPF2	SEER2	EER2	Btu/h @5°F	Meets	Combos	AHRI ref.
1TWSG-0919SR32110OTKSwith ductless indoor unit TWSG-0919SR32110I	1 ton9,100 Btu/h · Non-ducted	1.86	76%	8.8	20.5	11.9	7,600	CEE 25CEE 26Xcel	1	217559887
2TWSG-0919SR32220OTKSwith ductless indoor unit TWSG-0919SR32220I	1 ton9,100 Btu/h · Non-ducted	1.94	76%	8.8	20.5	12.5	7,600	CEE 25CEE 26Xcel	1	217559889
3TWSG-1819SR32OTKSwith ductless indoor unit TWSG-1819SR32I	1.5 tons18,000 Btu/h · Non-ducted	1.85	71%	8.5	20.0	12.0	12,100	CEE 25CEE 26Xcel	1	217559890
4TWSG-2419SR32OTKSwith ductless indoor unit TWSG-2419SR32I	2 tons24,000 Btu/h · Non-ducted	1.75	70%	8.5	19.0	11.9	15,700	CEE 25CEE 26Xcel	1	217559891
5TWSG-3019SR32OTKSwith ductless indoor unit TWSG-3019SR32I	2.5 tons30,000 Btu/h · Non-ducted	1.80	77%	9.0	22.0	11.0	23,000	CEE 25CEE 26Xcel	1	218404671
6TWSG-3619SR32OTKSwith ductless indoor unit TWSG-3619SR32I	3 tons33,600 Btu/h · Non-ducted	1.80	72%	8.5	21.0	12.0	24,600	CEE 25CEE 26Xcel	1	218404672

Download CSV of the matching modelsAll 6 matching models, every page, in this order.