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MDX heat pumps

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

Filters MDX
  1. 1 MHPA-24DCTOMDX
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 17,800 Btu/h · Cold output 74% · HSPF2 9.5 · 1 pairing

  2. 2 MCHA-24HDCTO2MDX
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 24,000 Btu/h · Cold output 100% · HSPF2 10.2 · 1 pairing

  3. 3 MHPA-48DCTOMDX
    48,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 35,000 Btu/h · Cold output 73% · HSPF2 9.8 · 1 pairing

  4. 4 MCHA-24HDCSO2MDX
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 24,000 Btu/h · Cold output 100% · HSPF2 9.5 · 1 pairing

  5. 5 MHPA-36DCTOMDX
    34,200 Btu/hheating at 47°F 34,200 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 25,000 Btu/h · Cold output 73% · HSPF2 9.0 · 1 pairing

  6. 6 MCHA-36HDCTO2MDX
    34,200 Btu/hheating at 47°F 34,200 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 25,600 Btu/h · Cold output 75% · HSPF2 10.0 · 1 pairing

  7. 7 MCHA-36HDCSO2MDX
    34,200 Btu/hheating at 47°F 34,200 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 26,000 Btu/h · Cold output 76% · HSPF2 9.0 · 1 pairing

  8. 8 MCHA-48HDCSO2MDX
    48,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 36,000 Btu/h · Cold output 75% · HSPF2 9.8 · 1 pairing

  9. 9 MHPA-60DCTOMDX
    54,000 Btu/hheating at 47°F 54,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 38,500 Btu/h · Cold output 71% · HSPF2 9.0 · 1 pairing

  10. 10 MCHA-60HDCSO2MDX
    54,000 Btu/hheating at 47°F 54,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 40,000 Btu/h · Cold output 74% · HSPF2 9.0 · 1 pairing

  11. 11 MCHA-48HDCTO2MDX
    48,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 38,000 Btu/h · Cold output 79% · HSPF2 10.5 · 1 pairing

  12. 12 MCHA-60HDCTO2MDX
    54,000 Btu/hheating at 47°F 54,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 40,000 Btu/h · Cold output 74% · HSPF2 9.8 · 1 pairing

MDX 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 MHPA-24DCTO MDX Central 24,000 Btu (2-ton)17,800 24,000 24,000 74% 2.20 20.0 9.5 Variable R-454B US 1
2 MCHA-24HDCTO2 MDX Central 24,000 Btu (2-ton)24,000 24,000 24,000 100% 2.30 19.0 10.2 Variable R-32 US 1
3 MHPA-48DCTO MDX Central 48,000 Btu (4-ton)35,000 48,000 48,000 73% 2.20 18.5 9.8 Variable R-454B US 1
4 MCHA-24HDCSO2 MDX Central 24,000 Btu (2-ton)24,000 24,000 24,000 100% 2.20 18.5 9.5 Variable R-454B US 1
5 MHPA-36DCTO MDX Central 36,000 Btu (3-ton)25,000 34,200 34,200 73% 2.20 18.5 9.0 Variable R-454B US 1
6 MCHA-36HDCTO2 MDX Central 36,000 Btu (3-ton)25,600 34,200 34,200 75% 2.30 18.0 10.0 Variable R-32 US 1
7 MCHA-36HDCSO2 MDX Central 36,000 Btu (3-ton)26,000 34,200 34,200 76% 2.10 18.0 9.0 Variable R-454B US 1
8 MCHA-48HDCSO2 MDX Central 48,000 Btu (4-ton)36,000 48,000 48,000 75% 2.25 17.5 9.8 Variable R-454B US 1
9 MHPA-60DCTO MDX Central 54,000 Btu (4.5-ton)38,500 54,000 54,000 71% 2.20 17.0 9.0 Variable R-454B US 1
10 MCHA-60HDCSO2 MDX Central 54,000 Btu (4.5-ton)40,000 54,000 54,000 74% 2.20 16.7 9.0 Variable R-454B US 1
11 MCHA-48HDCTO2 MDX Central 48,000 Btu (4-ton)38,000 48,000 48,000 79% 2.20 16.5 10.5 Variable R-32 US 1
12 MCHA-60HDCTO2 MDX Central 54,000 Btu (4.5-ton)40,000 54,000 54,000 74% 2.20 16.2 9.8 Variable R-32 US 1

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

12 of 12 units

Other sizes

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