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

Meets ENERGY STAR CC(remove filter)

5,143 models

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Page 205 of 206
# · Outdoor model	Manufacturer	Size · type	COP@5°F	Cap. 5/47	HSPF2	SEER2	EER2	Btu/h @5°F	Meets	Combos	AHRI ref.
5101ZMSB-09HV-USHHCR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-09HV-USHHCR2-I	ZERO	1 ton9,000 Btu/h · Non-ducted	1.80	96%	12.5	26.0	15.0	11,500	CEE 25CEE 26XcelES CC	1	216097673
5102ZMSB-09HV-USHHR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-09HV-USHHR2-I	ZERO	1 ton9,000 Btu/h · Non-ducted	2.33	82%	13.0	24.6	14.7	8,200	CEE 25CEE 26XcelES CC	3	216097679
5103ZMSB-09HV-USR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-09HV-USR2-I	ZERO	1 ton9,000 Btu/h · Non-ducted	1.99	70%	9.4	21.6	12.6	7,000	CEE 25CEE 26XcelES CC	1	216097685
5104ZMSB-09HV110-USR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-09HV110-USR2-I	ZERO	1 ton9,000 Btu/h · Non-ducted	1.95	70%	9.0	21.5	12.5	7,000	CEE 25CEE 26XcelES CC	1	216097683
5105ZMSB-09HVT-USHHCR2ZERO · Z-MAXwith ductless indoor unit ZMSB-09HVT-USHHCR2	ZERO	1 ton9,000 Btu/h · Non-ducted	1.80	106%	10.5	25.0	14.5	9,500	CEE 25CEE 26XcelES CC	1	216723128
5106ZMSB-09HVT-USHHR2ZERO · Z-MAX US R454B Hyper Heatwith ductless indoor unit ZMSB-09HVT-USHHR2	ZERO	1 ton9,000 Btu/h · Non-ducted	1.84	71%	9.5	23.0	13.0	7,100	CEE 25CEE 26XcelES CC	1	216032520
5107ZMSB-09HVT-USR1-S23-OZERO · Z-MAX US R32 Hyper Heat Serieswith ductless indoor unit ZMSB-09HVT-USR1-S23-I	ZERO	1 ton9,000 Btu/h · Non-ducted	1.80	89%	9.5	23.0	12.0	8,000	CEE 25CEE 26XcelES CC	1	218665159
5108ZMSB-09HVT110-USHHR2ZERO · Z-MAX US R454B Hyper Heatwith ductless indoor unit ZMSB-09HVT110-USHHR2	ZERO	1 ton9,000 Btu/h · Non-ducted	1.89	75%	9.5	23.0	13.0	7,500	CEE 25CEE 26XcelES CC	1	216032518
5109ZMSB-09HVT110-USR1-S23-OZERO · Z-MAX US R32 Hyper Heat Serieswith ductless indoor unit ZMSB-09HVT110-USR1-S23-I	ZERO	1 ton9,000 Btu/h · Non-ducted	1.80	89%	10.0	23.0	12.0	8,000	CEE 25CEE 26XcelES CC	1	218665156
5110ZMSB-12HV-USHHCR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-12HV-USHHCR2-I	ZERO	1 ton12,000 Btu/h · Non-ducted	1.80	96%	10.5	24.0	13.2	11,500	CEE 25CEE 26XcelES CC	1	216097674
5111ZMSB-12HV-USHHR2-OZERO · ZMSB Serieswith ductless indoor unit ZCRV-12HDMB-US	ZERO	1 ton12,000 Btu/h · Non-ducted	2.39	70%	10.4	21.1	12.5	8,400	CEE 25CEE 26XcelES CC	3	218001474
5112ZMSB-12HVT-USHHCR2ZERO · Z-MAXwith ductless indoor unit ZMSB-12HVT-USHHCR2	ZERO	1 ton12,000 Btu/h · Non-ducted	1.80	100%	10.5	25.0	14.0	12,000	CEE 25CEE 26XcelES CC	1	216723129
5113ZMSB-12HVT-USHHR2ZERO · Z-MAX US R454B Hyper Heatwith ductless indoor unit ZMSB-12HVT-USHHR2	ZERO	1 ton12,000 Btu/h · Non-ducted	2.10	72%	10.0	24.0	13.0	9,100	CEE 25CEE 26XcelES CC	1	216032521
5114ZMSB-12HVT-USR1-S24-OZERO · Z-MAX US R32 Hyper Heat Serieswith ductless indoor unit ZMSB-12HVT-USR1-S24-I	ZERO	1 ton12,000 Btu/h · Non-ducted	1.80	83%	10.0	24.0	13.0	10,000	CEE 25CEE 26XcelES CC	1	218665161
5115ZMSB-12HVT110-USHHR2ZERO · Z-MAX US R454B Hyper Heatwith ductless indoor unit ZMSB-12HVT110-USHHR2	ZERO	1 ton12,000 Btu/h · Non-ducted	2.10	72%	10.0	23.0	13.0	8,900	CEE 25CEE 26XcelES CC	1	216032519
5116ZMSB-12HVT110-USR1-S24-OZERO · Z-MAX US R32 Hyper Heat Serieswith ductless indoor unit ZMSB-12HVT110-USR1-S24-I	ZERO	1 ton12,000 Btu/h · Non-ducted	1.80	83%	10.0	24.0	13.0	10,000	CEE 25CEE 26XcelES CC	1	218665158
5117ZMSB-18HV-USHHCR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-18HV-USHHCR2-I	ZERO	1.5 tons18,000 Btu/h · Non-ducted	2.00	100%	10.8	21.7	13.0	18,000	CEE 25CEE 26XcelES CC	1	216097675
5118ZMSB-18HV-USHHR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-18HV-USHHR2-I	ZERO	1.5 tons18,000 Btu/h · Non-ducted	2.35	72%	11.1	24.0	13.5	13,000	CEE 25CEE 26XcelES CC	3	216097681
5119ZMSB-18HVT-USHHCR2ZERO · Z-MAXwith ductless indoor unit ZMSB-18HVT-USHHCR2	ZERO	1.5 tons18,000 Btu/h · Non-ducted	1.80	99%	10.0	23.5	12.5	17,800	CEE 25CEE 26XcelES CC	1	216723130
5120ZMSB-18HVT-USHHCR2*ZERO · Z-MAXwith ductless indoor unit ZMSB-18HVT-USHHCR2	ZERO	1.5 tons18,000 Btu/h · Non-ducted	1.80	99%	10.0	23.5	12.5	17,800	CEE 25CEE 26XcelES CC	1	218665114
5121ZMSB-18HVT-USHHR2ZERO · Z-MAX US R454B Hyper Heatwith ductless indoor unit ZMSB-18HVT-USHHR2	ZERO	1.5 tons18,000 Btu/h · Non-ducted	1.80	72%	10.0	23.0	12.5	13,600	CEE 25CEE 26XcelES CC	1	216032522
5122ZMSB-18HVT-USR1-S24-OZERO · Z-MAX US R32 Hyper Heat Serieswith ductless indoor unit ZMSB-18HVT-USR1-S24-I	ZERO	1.5 tons18,000 Btu/h · Non-ducted	1.80	83%	10.0	24.0	12.0	15,000	CEE 25CEE 26XcelES CC	1	218665162
5123ZMSB-24HV-USHHCR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-24HV-USHHCR2-I	ZERO	2 tons23,000 Btu/h · Non-ducted	2.00	92%	13.3	22.3	12.5	24,000	CEE 25CEE 26XcelES CC	1	216097676
5124ZMSB-24HV-USHHR2-OZERO · ZMSB Serieswith ductless indoor unit ZCRV-24HDMB-US	ZERO	2 tons24,000 Btu/h · Non-ducted	2.30	74%	10.5	22.0	12.0	18,500	CEE 25CEE 26XcelES CC	3	218001476
5125ZMSB-24HV-USR2-OZERO · ZMSB Serieswith ductless indoor unit ZMSB-24HV-USR2-I	ZERO	2 tons24,000 Btu/h · Non-ducted	2.11	71%	9.0	18.5	9.6	17,000	XcelES CC	1	216097688

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