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CanAir vs Viessmann: heat pump ratings compared

Against heat pumps of the same size and type, a typical CanAir model beats 56% and a typical Viessmann model 53%. CanAir rates slightly higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

CanAir

56%

of similar heat pumps beaten by its typical model

Above average

44 models listed

Viessmann

53%

of similar heat pumps beaten by its typical model

About average

53 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°FCanAir: Beats 48%Viessmann: Beats 52%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCanAir: Beats 57%Viessmann: Beats 50%
  • Winter-long heating efficiencyHSPF2CanAir: Beats 70%Viessmann: Beats 63%
  • Summer-long cooling efficiencySEER2CanAir: Beats 57%Viessmann: Beats 58%
  • Hot-day cooling efficiencyEER2CanAir: Beats 47%Viessmann: Beats 46%

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

    CanAir
    64%
    Viessmann
    64%

  • Xcel CC

    CanAir
    57%
    Viessmann
    43%

  • CEE Advanced

    CanAir
    0%
    Viessmann
    4%

  • ENERGY STAR CC

    CanAir
    59%
    Viessmann
    47%

Top cold-climate picks, ducted 2 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

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

CanAir

  1. 1MOX430-24HFN1-MR0with ducted air handler MAC-24HWDN1-MN0CanAir2 tons · 24,000 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Good
    Seasonal efficiency
    9.8 (HSPF2)
    Great
    67.3score / 100
  2. 2CDH2024C21with ducted air handler CDH2024F21CanAir2 tons · 24,000 Btu/h · DuctedKeeps 94% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.91 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    66.5score / 100
  3. 3MOD30-24HFN1-MWwith ducted air handler MAC-24HWDN1-MN0CanAir2 tons · 24,000 Btu/h · DuctedKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    59.0score / 100

Viessmann

  1. 1DLCSRBH24AAKwith ducted air handler DLFSDAH24XAKViessmann2 tons · 24,000 Btu/h · DuctedKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    79.4score / 100
  2. 2DLCURAH24ABKwith ducted air handler DLFUAAH24XAKViessmann2 tons · 24,000 Btu/h · DuctedKeeps 94% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.91 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    66.5score / 100
  3. 3DLCURAH24AAKwith ducted air handler DLFUAAH24XAKViessmann2 tons · 24,000 Btu/h · DuctedKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    9.2 (HSPF2)
    Good
    62.9score / 100

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.

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