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 11, 2026updated Oct 11, 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

AIR TECH(remove filter)

5 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.
1ATSO12NAMG2AIR TECHwith ductless indoor unit ATSW12NAMG2	1 ton12,000 Btu/h · Non-ducted	1.85	75%	9.0	24.0	12.5	9,000	CEE 25CEE 26Xcel	1	214010063
2ATSO18NAMG2AIR TECHwith ductless indoor unit ATSW18NAMG2	1.5 tons18,000 Btu/h · Non-ducted	1.85	72%	8.5	23.0	12.5	13,000	CEE 25CEE 26Xcel	1	214010066
3ATVO36NGUG2AIR TECH	3 tons36,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.40	70%	9.0	23.0	13.0	25,200	CEE 25CEE 26Xcel	3	214056553
4ATVO48NGUG2AIR TECH	4 tons48,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.20	70%	9.2	22.0	11.5	33,600	CEE 25CEE 26Xcel	3	214056550
5ATVO60NGUG2AIR TECH	5 tons60,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.10	70%	9.2	21.0	11.0	42,000	CEE 25CEE 26Xcel	3	214056546

Download CSV of the matching modelsAll 5 matching models, every page, in this order.