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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, ducted 3.5–4.5 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 Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

BULLETPROOF AC

  1. 1BPAC5TCwith ducted air handler BPAC5TAHBULLETPROOF ACAlso listed as BPAC5THP20S4.5 tons · 55,500 Btu/h · DuctedKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    8.6 (HSPF2)
    Good
    64.7score / 100
  2. 2BPAC4TCwith ducted air handler BPAC4TAHBULLETPROOF ACAlso listed as BPAC4THP20S4 tons · 47,500 Btu/h · DuctedKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    63.9score / 100
  3. 3BPAC4TPUHP15SBULLETPROOF AC4 tons · 48,000 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.82 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    7.8 (HSPF2)
    Below the middle
    41.0score / 100

First Co.

No ducted, 3.5–4.5 tons 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.

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