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Duohome heat pumps

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

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  1. 24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 20,000 Btu/h · Cold output 83% · HSPF2 9.4 · 1 pairing

  2. 34,200 Btu/hheating at 47°F 34,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 24,000 Btu/h · Cold output 70% · HSPF2 9.0 · 1 pairing

  3. 48,000 Btu/hheating at 47°F 47,500 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 34,200 Btu/h · Cold output 71% · HSPF2 9.0 · 1 pairing

  4. 57,000 Btu/hheating at 47°F 55,500 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 42,500 Btu/h · Cold output 75% · HSPF2 8.6 · 1 pairing

Duohome 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 DOT-D24HNR8-EA01(J0) Duohome Central 24,000 Btu (2-ton)20,000 24,000 24,000 83% 2.10 20.0 9.4 Variable R-454B US CA 1
2 DOT-D36HNR8-EA01(J0) Duohome Central 36,000 Btu (3-ton)24,000 34,200 34,000 70% 2.10 18.6 9.0 Variable R-454B US CA 1
3 DOT-D48HNR8-GA01(J0) Duohome Central 48,000 Btu (4-ton)34,200 48,000 47,500 71% 2.10 17.5 9.0 Variable R-454B US CA 1
4 DOT-D60HNR8-GA01(J0) Duohome Central 54,000 Btu (4.5-ton)42,500 57,000 55,500 75% 2.10 17.0 8.6 Variable R-454B US CA 1

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

4 of 4 units

Other sizes

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