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BULLETPROOF AC vs First Co.: heat pump ratings compared

Against heat pumps of the same size and type, a typical BULLETPROOF AC model beats 44% and a typical First Co. model 11%. BULLETPROOF AC rates higher overall.

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

BULLETPROOF AC

44%

of similar heat pumps beaten by its typical model

Below average

21 models listed

First Co.

11%

of similar heat pumps beaten by its typical model

Well below average

21 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°FBULLETPROOF AC: Beats 55%First Co.: Beats 34%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBULLETPROOF AC: Beats 39%First Co.: Beats 12%
  • Winter-long heating efficiencyHSPF2BULLETPROOF AC: Beats 42%First Co.: Beats 1%
  • Summer-long cooling efficiencySEER2BULLETPROOF AC: Beats 40%First Co.: Beats 0%
  • Hot-day cooling efficiencyEER2BULLETPROOF AC: Beats 44%First Co.: Beats 12%

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

    BULLETPROOF AC
    38%
    First Co.
    0%
  • Xcel CC

    BULLETPROOF AC
    38%
    First Co.
    0%
  • CEE Advanced

    BULLETPROOF AC
    0%
    First Co.
    0%
  • ENERGY STAR CC

    BULLETPROOF AC
    0%
    First Co.
    0%

Top cold-climate picks, ductless 5 tons and up

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.

BULLETPROOF AC

No ductless, 5 tons and up model from BULLETPROOF AC.

First Co.

No ductless, 5 tons and up model from First Co..

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