Invertercool heat pumps

2 certified models, ranked by seasonal cooling efficiency (SEER2), then heating efficiency (HSPF2), highest first.

1 COH17S-36ADInvertercool
24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F
24,000 Btu (2-ton) · Central · 5°F 18,000 Btu/h · Cold output 70–75% · HSPF2 8.8 · 2 pairings
2 COH17S-60ADInvertercool
34,200 Btu/hheating at 47°F 34,200 Btu/hcooling at 95°F
36,000 Btu (3-ton) · Central · 5°F 34,200 Btu/h · Cold output 71–100% · HSPF2 8.8 · 3 pairings

Invertercool heat pumps, ranked by seasonal cooling efficiency (SEER2), then heating efficiency (HSPF2)
#	Model	Brands	Type	Size	At 5°FBtu/h · heating	At 47°FBtu/h · heating	At 95°FBtu/h · cooling	Cold output% of 47°F rating	COP 5°Ffull speed	SEER2median pairing	HSPF2Btu/Wh · median pairing	Compressor	Refrigerant	Market	Pairings
1	COH17S-36AD	Invertercool	Central	24,000 Btu (2-ton)	18,000	24,000	24,000	70–75%	2.00	18.0	8.8	Variable	R-32	US CA	2
2	COH17S-60AD	Invertercool	Central	36,000 Btu (3-ton)	34,200	34,200	34,200	71–100%	1.90	17.0	8.8	Variable	R-32	US CA	3

The share is heat output at 5°F divided by the 47°F rating. Tests use different compressor speeds.

2 of 2 units

Other sizes

Every size class, with how many units it holds and its median heat output at 5°F