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CONFORTOTAL vs MAMMOTH: heat pump ratings compared

Against heat pumps of the same size and type, a typical CONFORTOTAL model beats 28% and a typical MAMMOTH model 39%. MAMMOTH rates higher overall.

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

CONFORTOTAL

28%

of similar heat pumps beaten by its typical model

Well below average

4 models listed

MAMMOTH

39%

of similar heat pumps beaten by its typical model

Well below average

4 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°FCONFORTOTAL: Beats 19%MAMMOTH: Beats 15%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCONFORTOTAL: Beats 21%MAMMOTH: Beats 29%
  • Winter-long heating efficiencyHSPF2CONFORTOTAL: Beats 21%MAMMOTH: Beats 41%
  • Summer-long cooling efficiencySEER2CONFORTOTAL: Beats 36%MAMMOTH: Beats 55%
  • Hot-day cooling efficiencyEER2CONFORTOTAL: Beats 36%MAMMOTH: Beats 43%

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

    CONFORTOTAL
    75%
    MAMMOTH
    50%

  • Xcel CC

    CONFORTOTAL
    0%
    MAMMOTH
    50%

  • CEE Advanced

    CONFORTOTAL
    0%
    MAMMOTH
    0%

  • ENERGY STAR CC

    CONFORTOTAL
    0%
    MAMMOTH
    50%

Top cold-climate picks, ductless up to 1.5 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

CONFORTOTAL

None of CONFORTOTAL’s ductless, up to 1.5 tons models qualifies.

MAMMOTH

No ductless, up to 1.5 tons model from MAMMOTH.

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