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BULLETPROOF AC vs SHARBO: 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

SHARBO

—

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%SHARBO: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBULLETPROOF AC: Beats 39%SHARBO: Not rated
  • Winter-long heating efficiencyHSPF2BULLETPROOF AC: Beats 42%SHARBO: Beats 3%
  • Summer-long cooling efficiencySEER2BULLETPROOF AC: Beats 40%SHARBO: Beats 10%
  • Hot-day cooling efficiencyEER2BULLETPROOF AC: Beats 44%SHARBO: Beats 11%

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%
    SHARBO
    0%

  • Xcel CC

    BULLETPROOF AC
    38%
    SHARBO
    0%

  • CEE Advanced

    BULLETPROOF AC
    0%
    SHARBO
    0%

  • ENERGY STAR CC

    BULLETPROOF AC
    0%
    SHARBO
    0%

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?

BULLETPROOF AC

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

SHARBO

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

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