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Della vs Puremind: heat pump ratings compared

Against heat pumps of the same size and type, a typical Della model beats 48% and a typical Puremind model 37%. Della rates higher overall.

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

Della

48%

of similar heat pumps beaten by its typical model

About average

94 models listed

Puremind

37%

of similar heat pumps beaten by its typical model

Well below average

95 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°FDella: Beats 43%Puremind: Beats 24%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDella: Beats 44%Puremind: Beats 40%
  • Winter-long heating efficiencyHSPF2Della: Beats 50%Puremind: Beats 51%
  • Summer-long cooling efficiencySEER2Della: Beats 55%Puremind: Beats 44%
  • Hot-day cooling efficiencyEER2Della: Beats 41%Puremind: Beats 28%

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

    Della
    68%
    Puremind
    47%

  • Xcel CC

    Della
    66%
    Puremind
    53%

  • CEE Advanced

    Della
    0%
    Puremind
    0%

  • ENERGY STAR CC

    Della
    44%
    Puremind
    0%

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

Della

  1. 1048-TPH-MODU-1D4Della2.5 tons · 27,000 Btu/h · DuctedKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    63.1score / 100
  2. 2048-TPH-MODU-1D5Della3 tons · 36,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    59.7score / 100
  3. 3048-T-36K-ODU-Twith ducted air handler 048-T-36K-IDUDella3 tons · 34,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    55.4score / 100

Puremind

  1. 1PTF36B1-EBH4Uwith ducted air handler PTF36B1-EBH4UPuremindAlso listed as ATF36B1-EBH4U, CTF36B1-EBH4U3 tons · 34,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    55.4score / 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.

Open the advanced view