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Bestcold vs ROVSUN: heat pump ratings compared

Against heat pumps of the same size and type, a typical Bestcold model beats 46% and a typical ROVSUN model 44%. Bestcold rates slightly higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Bestcold

46%

of similar heat pumps beaten by its typical model

About average

79 models listed

ROVSUN

44%

of similar heat pumps beaten by its typical model

Below average

82 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FBestcold: Beats 45%ROVSUN: Beats 37%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBestcold: Beats 43%ROVSUN: Beats 41%
  • Winter-long heating efficiencyHSPF2Bestcold: Beats 48%ROVSUN: Beats 52%
  • Summer-long cooling efficiencySEER2Bestcold: Beats 51%ROVSUN: Beats 51%
  • Hot-day cooling efficiencyEER2Bestcold: Beats 39%ROVSUN: Beats 35%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    Bestcold
    68%
    ROVSUN
    78%

  • Xcel CC

    Bestcold
    66%
    ROVSUN
    74%

  • CEE Advanced

    Bestcold
    1%
    ROVSUN
    0%

  • ENERGY STAR CC

    Bestcold
    10%
    ROVSUN
    35%

All-around best, ductless 2 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Bestcold

  1. 1MYTW24NA23BCH24ES-Owith ductless indoor unit MYTD24NA23BCH24ES-IBestcoldAlso listed as MYTD24NA23BCH24-O2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 37.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    48.8score / 100Heating 38 · Cooling 60
  2. 2MYTW24NA23BCH20/Owith ductless indoor unit MYTW24NA23BCH20/IBestcold2 tons · 24,000 Btu/h · DuctlessNot a cold-climate pick: keeps 68% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    68% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    10.5 (EER2)
    Below the middle
    40.4score / 100Heating 46 · Cooling 35
  3. 3MYTW-24HPAC2with ductless indoor unit MYTW-24HPAC2BestcoldAlso listed as MYTW-24HPAC2-O2 tons · 23,000 Btu/h · DuctlessNot a cold-climate pick: keeps 53% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    54% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    17.0 (SEER2)
    Below the middle
    Hot-day cooling
    9.5 (EER2)
    Below the middle
    13.4score / 100Heating 21 · Cooling 5

ROVSUN

  1. 1TSC-24HA2/I3XI21B-Owith ductless indoor unit TC-24CHRH/DVIROVSUNAlso listed as RVC-24/O2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 62.6Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.4 (HSPF2)
    Great
    Cooling efficiency
    22.5 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    58.4score / 100Heating 63 · Cooling 54
  2. 2TSC-24HA2/I3XI21B-O*with ductless indoor unit TSC-24HA2/I3XI21B-OROVSUN2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 36.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    48.3score / 100Heating 37 · Cooling 60
  3. 3TCF-24ZHRH/DVOwith ductless indoor unit TCF-24ZHRH/DVIROVSUNAlso listed as RVCF-24/O2 tons · 22,200 Btu/h · DuctlessCold-climate pick, score 49.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    20.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    43.2score / 100Heating 50 · Cooling 37

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view