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Dettson heat pumps: how do their ratings compare?

A typical Dettson heat pump beats 52% of similar heat pumps (same size and type), which is about average. Dettson has 10 heat pump models in this list.

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

Overall score

52%

of similar heat pumps beaten by its typical model

About average

Dettson has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 10 models with every rating.

Dettson, rating by ratingStrongest on winter-long heating efficiency (beats 78%), weakest on hot-day cooling efficiency (beats 30%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 55%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 71%
  • Winter-long heating efficiencyHSPF2Beats 78%
  • Summer-long cooling efficiencySEER2Beats 42%
  • Hot-day cooling efficiencyEER2Beats 30%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want Dettson’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 60%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    6 models. All brands: 48%.

    See them

  • 80%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    8 models. All brands: 38%.

    See them

  • 0%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    None of its models yet. All brands: 1%.

Dettson all-around best, by size

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

3 of Dettson’s 3 models of this size and type have all five ratings.

  1. 1EVD-36-O-Swith ducted air handler EVD-36-IDettson3 tons · 35,000 Btu/h · DuctedCold-climate pick, score 68.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    16.3 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    68.5score / 100Heating 69 · Cooling 68
  2. 2EVD-36-Owith ducted air handler EVD-36-IDettson3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 78.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    56.1score / 100Heating 75 · Cooling 38
  3. 3EVD-30-Owith ducted air handler MAC36H2124EDettson2.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 69.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.7 (HSPF2)
    Great
    Cooling efficiency
    15.5 (SEER2)
    Below the middle
    Hot-day cooling
    10.5 (EER2)
    Below the middle
    52.6score / 100Heating 68 · Cooling 37

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

What to do next

The advanced view has Dettson’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view