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

Viessmann(remove filter)

43 models

Sorted by manufacturer and model.

Page 1 of 2
# · Outdoor model	Size · type	COP@5°F	Cap. 5/47	HSPF2	SEER2	EER2	Btu/h @5°F	Meets	Combos	AHRI ref.
1D5CLHAH36AAKViessmann · D5C Serieswith ducted air handler D5FLDAH36XHK	3 tons36,000 Btu/h · Ducted and non-ducted	2.10	90%	11.1	17.8	12.0	37,600	CEE 25CEE 26XcelES CC	4	217178811
2D5CLHAH48AAKViessmann · D5C Serieswith ducted air handler D5FLAAH48XAK	4 tons48,000 Btu/h · Ducted and non-ducted	2.00	92%	10.2	17.0	10.1	46,000	CEE 25CEE 26XcelES CC	4	217178761
3D5CLHAH58AAKViessmann · D5C Serieswith ducted air handler D5FLDAH58XHK	4.5 tons55,000 Btu/h · Ducted and non-ducted	2.10	89%	10.4	15.9	10.2	53,500	XcelES CC	3	217178816
4D5CMHAH18CAKViessmann · D5C Series	1.5 tons19,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.00	95%	10.5	25.0	15.0	19,000	CEE 25CEE 26XcelES CC	3	217178817
5D5CMHAH24DAKViessmann · D5C Series	2 tons24,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.00	100%	10.0	24.0	13.0	25,000	CEE 25CEE 26XcelES CC	3	217178820
6D5CMHAH30EAKViessmann · D5C Series	2.5 tons30,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.00	116%	10.7	24.0	13.2	36,000	CEE 25CEE 26XcelES CC	3	217178823
7D5CMHAH36EAKViessmann · D5C Series	3 tons36,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.00	100%	10.7	23.1	13.1	36,000	CEE 25CEE 26XcelES CC	3	217178826
8D5CMHAH48FAKViessmann · D5C Series	4 tons47,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.00	96%	11.3	23.0	12.0	47,000	CEE 25CEE 26XcelES CC	3	217178829
9D5CMHAH55FAKViessmann · D5C Series	4.5 tons53,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)	2.10	87%	10.7	20.2	11.7	48,000	CEE 25CEE 26XcelES CC	3	217178833
10D5CSHAH06AAKViessmann · D5C Serieswith ductless indoor unit D5FSHAH06XAK	0.5 tons6,000 Btu/h · Non-ducted	2.40	110%	14.8	25.7	18.0	7,700	CEE 25CEE 26CEE AdvXcelDOEES CC	2	217178781
11D5CSHAH09AAKViessmann · D5C Serieswith ducted air handler D5FSDAH12XAK	1 ton9,000 Btu/h · Ducted and non-ducted	1.89	112%	12.5	21.5	13.5	11,200	CEE 25CEE 26XcelES CC	6	217178787
12D5CSHAH12AAKViessmann · D5C Serieswith ductless indoor unit D5FSOAH12XAK	1 ton12,000 Btu/h · Ducted and non-ducted	1.99	92%	10.2	23.0	13.0	11,500	CEE 25CEE 26XcelES CC	6	217178790
13D5CSHAH18AAKViessmann · D5C Serieswith ducted air handler D5FSAAH18XBK	1.5 tons18,000 Btu/h · Ducted and non-ducted	2.20	92%	10.1	18.2	12.0	18,000	CEE 25CEE 26XcelES CC	8	217178755
14D5CSHAH24AAKViessmann · D5C Serieswith ductless indoor unit D5FSHAH24XAK	2 tons24,000 Btu/h · Ducted and non-ducted	2.34	83%	13.5	21.2	13.0	24,200	CEE 25CEE 26XcelES CC	5	217178802
15D5CSHAH33AAKViessmann · D5C Serieswith ducted air handler D5FSAAH36XBK	3 tons33,000 Btu/h · Ducted and non-ducted	2.00	97%	10.0	16.7	11.7	34,000	CEE 25CEE 26XcelES CC	2	217178757
16D5CSRAH30AAKViessmann · D5C Serieswith ducted air handler D5FSAAH30XBK	2.5 tons30,000 Btu/h · Ducted and non-ducted	2.10	68%	8.8	17.0	11.0	20,400	CEE 25CEE 26	2	217178758
17D5CSRAH36AAKViessmannwith ducted air handler D5FSAAH36XBK	3 tons36,000 Btu/h · Ducted and non-ducted	2.00	62%	7.7	16.0	8.6	23,000	None	2	217178759
18D5CUHAH18AAKViessmann · D5C Serieswith ducted air handler D5FUHAH24XAK	1.5 tons18,000 Btu/h · Ducted	2.12	103%	10.2	19.0	12.5	18,600	CEE 25CEE 26CEE AdvXcelDOEES CC	5	217178772
19D5CUHAH18AAK+KSAIC0701230VIESSMANN · Crossover Heat Pumpwith ducted air handler FTMA5X24L0B	1.5 tons18,300 Btu/h · Ducted	1.92	88%	8.5	16.0	11.0	17,400	CEE 25CEE 26XcelES CC	3	218475392
20D5CUHAH18AAK+TIC2025-0016VIESSMANN · Crossover Heat Pumpwith ducted air handler FTMA5X24L0B	1.5 tons18,300 Btu/h · Ducted	1.92	88%	8.5	16.0	11.0	17,400	CEE 25CEE 26Xcel	3	217753141
21D5CUHAH24AAKViessmann · D5C Serieswith ducted air handler D5FUHAH24XAK	2 tons24,000 Btu/h · Ducted	2.14	86%	10.0	18.7	12.0	20,600	CEE 25CEE 26XcelES CC	7	217178765
22D5CUHAH24AAK+KSAIC0701230VIESSMANN · Crossover Heat Pumpwith ducted air handler FTMA5X24L0B	2 tons23,600 Btu/h · Ducted	2.04	84%	9.5	17.5	11.0	19,000	CEE 25CEE 26XcelES CC	2	218475400
23D5CUHAH24AAK+TIC2025-0016VIESSMANN · Crossover Heat Pumpwith ducted air handler FTMA5X24L0B	2 tons23,600 Btu/h · Ducted	2.04	84%	9.5	17.5	11.0	19,000	CEE 25CEE 26Xcel	2	217753142
24D5CUHAH30AAKViessmann · D5C Serieswith ducted air handler D5MUWAQ30XA3	2.5 tons30,000 Btu/h · Ducted	2.00	100%	10.2	17.5	11.7	32,000	CEE 25CEE 26XcelES CC	6	218668523
25D5CUHAH30AAK+KSAIC0701230VIESSMANN · Crossover Heat Pumpwith ducted air handler FMA5X36**AL	2.5 tons31,200 Btu/h · Ducted	1.92	86%	9.0	16.5	10.5	32,000	CEE 25CEE 26XcelES CC	3	218492014

Download CSV of the matching modelsAll 43 matching models, every page, in this order.