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THERMAL ZONE heat pumps: how do their ratings compare?

A typical THERMAL ZONE heat pump beats 43% of similar heat pumps (same size and type), which is below average. THERMAL ZONE has 88 heat pump models in this list.

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

Overall score

43%

of similar heat pumps beaten by its typical model

Below average

THERMAL ZONE has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 35 models with every rating.

THERMAL ZONE, rating by ratingStrongest on efficiency on a 5°f day (beats 68%), weakest on summer-long cooling efficiency (beats 26%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 68%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 37%
  • Winter-long heating efficiencyHSPF2Beats 31%
  • Summer-long cooling efficiencySEER2Beats 26%
  • Hot-day cooling efficiencyEER2Beats 36%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want THERMAL ZONE’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 13%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    11 models. All brands: 48%.

    See them

  • 7%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    6 models. All brands: 38%.

    See them

  • 0%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    None of its models yet. All brands: 1%.

Top THERMAL ZONE cold-climate picks, by size

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, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

THERMAL ZONE has no ductless, 2 tons model. Its sizes: Ducted, up to 1.5 tons, Ducted, 2 tons, Ducted, 2.5–3 tons, Ducted, 3.5–4.5 tons, Ducted, 5 tons and up, Ductless, 2.5–3 tons.

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has THERMAL ZONE’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view