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.
1ATCB12K454B-OAir Tempo · Builder Serieswith ductless indoor unit ATCB12K454B-I	1 ton12,000 Btu/h · Non-ducted	1.80	100%	10.5	25.0	14.0	12,000	CEE 25CEE 26XcelES CC	1	218472383
2ATCB12K454B-O*Air Tempo · Builder Serieswith ductless indoor unit ATCB12K454B-I	1 ton12,000 Btu/h · Non-ducted	1.80	100%	10.5	25.0	14.0	12,000	CEE 25CEE 26XcelES CC	1	218687526
3ATCB18K454B-OAir Tempo · Builder Serieswith ductless indoor unit ATCB18K454B-I	1.5 tons18,000 Btu/h · Non-ducted	1.80	99%	10.0	23.5	12.5	17,800	CEE 25CEE 26XcelES CC	1	218472384
4ATCB18K454B-O*Air Tempo · Builder Serieswith ductless indoor unit ATCB18K454B-I	1.5 tons18,000 Btu/h · Non-ducted	1.80	99%	10.0	23.5	12.5	17,800	CEE 25CEE 26XcelES CC	1	218679835
5ATCB24K454B-OAir Tempo · Builder Serieswith ductless indoor unit ATCB24K454B-I	2 tons24,000 Btu/h · Non-ducted	1.80	93%	10.0	22.5	11.7	22,400	CEE 25CEE 26XcelES CC	1	218472385
6ATCB24K454B-O*Air Tempo · Builder Serieswith ductless indoor unit ATCB24K454B-I	2 tons24,000 Btu/h · Non-ducted	1.80	93%	10.0	22.5	11.7	22,400	CEE 25CEE 26XcelES CC	1	218687527

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