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

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.
1AFMKH18-H2AIR MAX · AIRMAX Free Match	1.5 tons18,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.00	77%	10.0	21.0	12.0	13,800	CEE 25CEE 26XcelES CC	3	218396975
2AFMKH24-H2AIR MAX · AIRMAX Free Match	2 tons24,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.00	90%	10.0	21.0	13.3	21,600	CEE 25CEE 26XcelES CC	3	218396978
3AFMKH30-H2AIR MAX · AIRMAX Free Match	2.5 tons28,400 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.07	90%	10.0	21.0	13.6	27,000	CEE 25CEE 26XcelES CC	3	218396981
4AFMKH36-H2AIR MAX · AIRMAX Free Match	3 tons36,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.10	100%	10.0	21.0	12.0	36,000	CEE 25CEE 26CEE AdvXcelDOEES CC	3	218396984
5AFMKH42-H2AIR MAX · AIRMAX Free Match	3.5 tons42,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.10	90%	10.0	21.0	13.0	37,800	CEE 25CEE 26XcelES CC	3	218396966
6AFMKH48-H2AIR MAX · AIRMAX Free Match	4 tons48,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.10	79%	10.0	21.0	12.0	37,800	CEE 25CEE 26XcelES CC	3	218396969

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