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The Heat Pump heat pumps

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

Filters The Heat Pump
  1. 1 THP-GUD18W2/NHE-D(U)The Heat Pump
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F 18,000 Btu/h · Cold output 100% · HSPF2 9.0 · 1 pairing

  2. 2 THP-GUD60W2/NHE-D(U)The Heat Pump
    48,000 Btu/hheating at 47°F 47,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 48,000 Btu/h · Cold output 100% · HSPF2 9.5 · 4 pairings

  3. 3 THP-GUD36W2/NHE-D(U)The Heat Pump
    24,000 Btu/hheating at 47°F 23,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 24,000 Btu/h · Cold output 91–100% · HSPF2 9.3 · 4 pairings

The Heat Pump 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 THP-GUD18W2/NHE-D(U) The Heat Pump Central 18,000 Btu (1.5-ton)18,000 18,000 18,000 100% 2.00 18.0 9.0 Variable R-32 US CA 1
2 THP-GUD60W2/NHE-D(U) The Heat Pump Central 48,000 Btu (4-ton)48,000 48,000 47,000 100% 1.93 17.1 9.5 Variable R-32 US CA 4
3 THP-GUD36W2/NHE-D(U) The Heat Pump Central 24,000 Btu (2-ton)24,000 24,000 23,000 91–100% 1.90 17.0 9.3 Variable R-32 US CA 4

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

3 of 3 units

Other sizes

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