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COMFORMATIC vs GE APPLIANCES ZONELINE: heat pump ratings compared

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

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

COMFORMATIC

44%

of similar heat pumps beaten by its typical model

Below average

4 models listed

GE APPLIANCES ZONELINE

—

of similar heat pumps beaten by its typical model

Not enough rated models

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°FCOMFORMATIC: Beats 37%GE APPLIANCES ZONELINE: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCOMFORMATIC: Beats 64%GE APPLIANCES ZONELINE: Not rated
  • Winter-long heating efficiencyHSPF2COMFORMATIC: Beats 42%GE APPLIANCES ZONELINE: Beats 8%
  • Summer-long cooling efficiencySEER2COMFORMATIC: Beats 44%GE APPLIANCES ZONELINE: Beats 30%
  • Hot-day cooling efficiencyEER2COMFORMATIC: Beats 39%GE APPLIANCES ZONELINE: Beats 29%

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

    COMFORMATIC
    50%
    GE APPLIANCES ZONELINE
    0%

  • Xcel CC

    COMFORMATIC
    50%
    GE APPLIANCES ZONELINE
    0%

  • CEE Advanced

    COMFORMATIC
    0%
    GE APPLIANCES ZONELINE
    0%

  • ENERGY STAR CC

    COMFORMATIC
    50%
    GE APPLIANCES ZONELINE
    0%

Top cold-climate picks, ductless 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 Ductless, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

COMFORMATIC

No ductless, 3.5–4.5 tons model from COMFORMATIC.

GE APPLIANCES ZONELINE

No ductless, 3.5–4.5 tons model from GE APPLIANCES ZONELINE.

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