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Yiso heat pumps

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

Filters Yiso
  1. 1 YRHA1-60ABYiso
    56,000 Btu/hheating at 47°F 56,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 39,500 Btu/h · Cold output 71% · HSPF2 9.5 · 1 pairing

  2. 2 YRHA1-60BBYiso
    56,000 Btu/hheating at 47°F 56,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 39,500 Btu/h · Cold output 71% · HSPF2 9.3 · 1 pairing

  3. 3 YRHA1-60AAYiso
    55,000 Btu/hheating at 47°F 55,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 38,500 Btu/h · Cold output 70% · HSPF2 9.2 · 1 pairing

  4. 4 YOHA8-36AYiso
    35,000 Btu/hheating at 47°F 33,600 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 24,600 Btu/h · Cold output 70–83% · HSPF2 9.0 · 3 pairings

  5. 5 YRHA1-36ADYiso
    35,000 Btu/hheating at 47°F 35,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 24,600 Btu/h · Cold output 70% · HSPF2 9.2 · 1 pairing

  6. 6 YOHA2-36AAYiso
    34,600 Btu/hheating at 47°F 33,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 22,400 Btu/h · Cold output 65–83% · HSPF2 9.0 · 35 pairings

  7. 7 YOHA2-60AAYiso
    46,000 Btu/hheating at 47°F 45,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 32,400 Btu/h · Cold output 70–83% · HSPF2 8.8 · 34 pairings

  8. 8 YOHA2-60CBYiso
    46,000 Btu/hheating at 47°F 45,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 32,400 Btu/h · Cold output 67–100% · HSPF2 9.0 · 57 pairings

  9. 9 YOHA2-36CBYiso
    34,600 Btu/hheating at 47°F 33,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 22,800 Btu/h · Cold output 60–82% · HSPF2 9.0 · 54 pairings

  10. 10 YOHA3-60DDYiso
    46,000 Btu/hheating at 47°F 45,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 32,400 Btu/h · Cold output 70–100% · HSPF2 8.7 · 26 pairings

  11. 11 YOHA3-36DDYiso
    34,200 Btu/hheating at 47°F 33,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 22,400 Btu/h · Cold output 65–75% · HSPF2 8.7 · 26 pairings

Yiso 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 YRHA1-60AB Yiso Central 54,000 Btu (4.5-ton)39,500 56,000 56,000 71% 1.90 19.0 9.5 Variable R-454B US CA 1
2 YRHA1-60BB Yiso Central 54,000 Btu (4.5-ton)39,500 56,000 56,000 71% 1.90 19.0 9.3 Variable R-454B US CA 1
3 YRHA1-60AA Yiso Central 54,000 Btu (4.5-ton)38,500 55,000 55,000 70% 1.90 18.5 9.2 Variable R-410A US CA 1
4 YOHA8-36A Yiso Central 36,000 Btu (3-ton)24,600 35,000 33,600 70–83% 1.95 18.5 9.0 Variable R-410A US CA 3
5 YRHA1-36AD Yiso Central 36,000 Btu (3-ton)24,600 35,000 35,000 70% 1.90 18.3 9.2 Variable R-32 US CA 1
6 YOHA2-36AA Yiso Central 24,000 Btu (2-ton)22,400 34,600 33,000 65–83% 1.95 18.0 9.0 Variable R-410A US CA 35
7 YOHA2-60AA Yiso Central 54,000 Btu (4.5-ton)32,400 46,000 45,000 70–83% 1.90 18.0 8.8 Variable R-410A US CA 34
8 YOHA2-60CB Yiso Central 30,000 Btu (2.5-ton)32,400 46,000 45,000 67–100% 1.95 17.5 9.0 Variable R-454B US CA 57
9 YOHA2-36CB Yiso Central 30,000 Btu (2.5-ton)22,800 34,600 33,000 60–82% 1.95 17.5 9.0 Variable R-454B US CA 54
10 YOHA3-60DD Yiso Central 30,000 Btu (2.5-ton)32,400 46,000 45,000 70–100% 1.85 16.5 8.7 Variable R-32 US CA 26
11 YOHA3-36DD Yiso Central 30,000 Btu (2.5-ton)22,400 34,200 33,000 65–75% 1.85 16.5 8.7 Variable R-32 US CA 26

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

11 of 11 units

Other sizes

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