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BULLETPROOF AC vs MAJOR HVAC SYSTEMS: heat pump ratings compared

One of these brands has too few models with every rating for an overall score; see each rating below.

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

MAJOR HVAC SYSTEMS

—

of similar heat pumps beaten by its typical model

Not enough rated models

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%MAJOR HVAC SYSTEMS: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBULLETPROOF AC: Beats 39%MAJOR HVAC SYSTEMS: Not rated
  • Winter-long heating efficiencyHSPF2BULLETPROOF AC: Beats 42%MAJOR HVAC SYSTEMS: Beats 26%
  • Summer-long cooling efficiencySEER2BULLETPROOF AC: Beats 40%MAJOR HVAC SYSTEMS: Beats 21%
  • Hot-day cooling efficiencyEER2BULLETPROOF AC: Beats 44%MAJOR HVAC SYSTEMS: Beats 48%

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%
    MAJOR HVAC SYSTEMS
    0%

  • Xcel CC

    BULLETPROOF AC
    38%
    MAJOR HVAC SYSTEMS
    0%

  • CEE Advanced

    BULLETPROOF AC
    0%
    MAJOR HVAC SYSTEMS
    0%

  • ENERGY STAR CC

    BULLETPROOF AC
    0%
    MAJOR HVAC SYSTEMS
    0%

All-around best, ductless 3.5–4.5 tons

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

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

BULLETPROOF AC

No ductless, 3.5–4.5 tons model from BULLETPROOF AC.

MAJOR HVAC SYSTEMS

No ductless, 3.5–4.5 tons model from MAJOR HVAC SYSTEMS.

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