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

LITHZEN(remove filter)

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.
1FP11273US12K-12WHLITHZENwith ductless indoor unit FP11273US12K-22WH	1 ton12,000 Btu/h · Non-ducted	—	—	8.0	17.0	9.7	—	None	1	218461364
2FP11274US12K-12WHLITHZENwith ductless indoor unit FP11274US12K-22WH	1 ton12,000 Btu/h · Non-ducted	—	—	8.0	17.0	9.7	—	None	1	218461365
3FP11274US18K-12WHLITHZENwith ductless indoor unit FP11274US18K-22WH	1.5 tons18,000 Btu/h · Non-ducted	—	—	8.0	17.0	9.7	—	None	1	218461366
4FP11274US24K-12WHLITHZENwith ductless indoor unit FP11274US24K-22WH	2 tons24,000 Btu/h · Non-ducted	—	—	8.0	17.0	9.8	—	None	1	218461367
5FP11302US-12WHLithzenwith ductless indoor unit FP11302US-22WH	1 ton12,100 Btu/h · Non-ducted	—	—	8.2	18.1	8.8	—	None	1	218425014
6FP11303US-12WHLithzenwith ductless indoor unit FP11303US-22WH	1 ton12,000 Btu/h · Non-ducted	—	—	8.2	18.1	10.8	—	None	1	218425015

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