Nova heat pumps

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

1 NOVA-MULTI27M3Nova
28,000 Btu/hheating at 47°F 27,000 Btu/hcooling at 95°F
24,000 Btu (2-ton) · Mini-split · 5°F 19,800 Btu/h · Cold output 71% · HSPF2 10.5 · 1 pairing
2 NOVA-HE12-EXTNova
12,600 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F
12,000 Btu (1-ton) · Mini-split · 5°F 9,100 Btu/h · Cold output 72% · HSPF2 10.0 · 1 pairing
3 NOVA-HE18-EXTNova
19,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F
18,000 Btu (1.5-ton) · Mini-split · 5°F 13,600 Btu/h · Cold output 72% · HSPF2 10.0 · 1 pairing
4 NOVA-MULTI36M4Nova
36,000 Btu/hheating at 47°F 35,000 Btu/hcooling at 95°F
36,000 Btu (3-ton) · Mini-split · 5°F 26,000 Btu/h · Cold output 72% · HSPF2 10.0 · 1 pairing
5 NOVA-MULTI42M5Nova
42,000 Btu/hheating at 47°F 42,000 Btu/hcooling at 95°F
42,000 Btu (3.5-ton) · Mini-split · 5°F 30,000 Btu/h · Cold output 71% · HSPF2 10.0 · 1 pairing

Nova 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	NOVA-MULTI27M3	Nova	Mini-split	24,000 Btu (2-ton)	19,800	28,000	27,000	71%	2.00	24.0	10.5	Variable	R-454B	CA	1
2	NOVA-HE12-EXT	Nova	Mini-split	12,000 Btu (1-ton)	9,100	12,600	12,000	72%	2.10	24.0	10.0	Variable	R-454B	CA	1
3	NOVA-HE18-EXT	Nova	Mini-split	18,000 Btu (1.5-ton)	13,600	19,000	18,000	72%	1.80	23.0	10.0	Variable	R-454B	CA	1
4	NOVA-MULTI36M4	Nova	Mini-split	36,000 Btu (3-ton)	26,000	36,000	35,000	72%	2.00	22.5	10.0	Variable	R-454B	CA	1
5	NOVA-MULTI42M5	Nova	Mini-split	42,000 Btu (3.5-ton)	30,000	42,000	42,000	71%	2.00	22.0	10.0	Variable	R-454B	CA	1

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

5 of 5 units

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