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

3.5–4.5 tons(remove filter)

2,687 models

Sorted by manufacturer and model.

Page 4 of 108
# · Outdoor model	Manufacturer	Size · type	COP@5°F	Cap. 5/47	HSPF2	SEER2	EER2	Btu/h @5°F	Meets	Combos	AHRI ref.
76PDB442*KBACIQ	ACIQ	3.5 tons42,000 Btu/h · Ducted	1.70	41%	6.7	13.4	11.1	17,000	None	1	215578904
77PDB448*KBACIQ	ACIQ	4 tons47,000 Btu/h · Ducted	1.62	37%	6.7	13.4	11.1	17,000	None	1	215578905
78PDB460*KBACIQ	ACIQ	4.5 tons55,000 Btu/h · Ducted	1.70	39%	6.7	13.4	11.1	22,600	None	1	215578906
79PHB442000H**BACIQ	ACIQ	3.5 tons42,000 Btu/h · Ducted	1.70	41%	6.7	13.4	11.1	17,000	None	1	215578913
80PHB442000K**BACIQ	ACIQ	3.5 tons42,000 Btu/h · Ducted	1.70	41%	6.7	13.4	11.1	17,000	None	1	215578912
81PHB442000L**BACIQ	ACIQ	3.5 tons42,000 Btu/h · Ducted	1.70	41%	6.7	13.4	11.1	17,000	None	1	215578914
82PHB448000H**BACIQ	ACIQ	4 tons47,000 Btu/h · Ducted	1.62	37%	6.7	13.4	11.1	17,000	None	1	215578916
83PHB448000K**BACIQ	ACIQ	4 tons47,000 Btu/h · Ducted	1.62	37%	6.7	13.4	11.1	17,000	None	1	215578915
84PHB448000L**BACIQ	ACIQ	4 tons47,000 Btu/h · Ducted	1.62	37%	6.7	13.4	11.1	17,000	None	1	215578917
85PHB460000H**BACIQ	ACIQ	4.5 tons55,000 Btu/h · Ducted	1.70	39%	6.7	13.4	11.1	22,600	None	1	215578919
86PHB460000K**BACIQ	ACIQ	4.5 tons55,000 Btu/h · Ducted	1.70	39%	6.7	13.4	11.1	22,600	None	1	215578918
87PHB460000L**BACIQ	ACIQ	4.5 tons55,000 Btu/h · Ducted	1.70	39%	6.7	13.4	11.1	22,600	None	1	215578920
88PHM442000K000B*ACIQ	ACIQ	3.5 tons40,500 Btu/h · Ducted	1.60	41%	6.7	13.4	11.1	16,000	None	1	216411452
89PHM448000K000B*ACIQ	ACIQ	4 tons45,500 Btu/h · Ducted	1.70	42%	6.7	13.4	11.1	19,000	None	1	216411453
90PHM460000K000B*ACIQ	ACIQ	4.5 tons54,500 Btu/h · Ducted	1.75	40%	6.7	13.4	11.1	22,800	None	1	216411454
91R5H5S42KAAAACIQwith ducted air handler AEL+CM59A4J+TDR	ACIQ	3.5 tons39,500 Btu/h · Ducted	2.63	61%	7.5	14.5	12.0	24,000	None	147	217291330
92R5H5S48KAAAACIQwith ducted air handler AEL+CM59A4J+TDR	ACIQ	3.5 tons44,000 Btu/h · Ducted	2.70	60%	7.5	14.5	11.7	28,400	None	134	217291331
93KUSXA422AADPwith ducted air handler HG48*60+TXV+TD	ADP	3.5 tons41,000 Btu/h · Ducted	1.90	98%	8.9	16.0	11.7	41,000	CEE 25CEE 26Xcel	19	217198708
94KUSXA482AADPwith ducted air handler HG48*60+TXV+TD	ADP	4 tons45,500 Btu/h · Ducted	1.90	90%	9.1	16.0	11.7	43,000	CEE 25CEE 26Xcel	19	217198710
95KUSXB421AADPwith ducted air handler HG48*60+TXV+TD	ADP	3.5 tons41,000 Btu/h · Ducted	1.80	86%	8.5	15.2	11.7	36,000	Xcel	21	217198726
96KUSXB481AADPwith ducted air handler HG48*60+TXV+TD	ADP	4 tons45,500 Btu/h · Ducted	1.80	79%	8.5	15.2	11.0	38,000	Xcel	21	217198728
97KUSXB601AADPwith ducted air handler HG48*60+TXV+TD	ADP	4 tons45,500 Btu/h · Ducted	1.80	85%	8.9	15.2	11.7	41,000	Xcel	17	217198730
98A6MO21-48N2-M1AI AIR CONDITIONING · A6M Series	AI AIR CONDITIONING	4 tons45,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.10	75%	10.0	21.3	11.7	36,000	CEE 25CEE 26XcelES CC	3	215866809
99A6MO23-48N2-M1HAI AIR CONDITIONING · A6M Series	AI AIR CONDITIONING	4 tons45,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.00	98%	10.2	21.2	12.0	48,000	CEE 25CEE 26XcelES CC	3	215866824
100A6MO23-55N2-M1HAI AIR CONDITIONING · A6M Series	AI AIR CONDITIONING	4.5 tons53,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.10	87%	10.7	20.0	11.7	48,000	CEE 25CEE 26XcelES CC	3	215866828

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