Skip to content
Rebate.Blue

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%.

THERMAL ZONE all-around best, by size

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

10 of THERMAL ZONE’s 27 models of this size and type have all five ratings.

  1. 1TZPLAD1530AJNwith ducted air handler TZHDLVST3617*NANTHERMAL ZONE2.5 tons · 28,400 Btu/h · DuctedNot a cold-climate pick: keeps 54% of its heat at 5°FMeets CEE 2025, CEE 2026, ENERGY STAR CC
    Heat kept at 5°F
    55% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    58.0score / 100Heating 51 · Cooling 65
  2. 2TZPLV362PAwith ducted air handler TZHVLE3621JATHERMAL ZONE3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 78.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    56.1score / 100Heating 75 · Cooling 38
  3. 3TZPLAD1536AJNwith ducted air handler TZHDLVST3617*NANTHERMAL ZONE3 tons · 34,200 Btu/h · DuctedNot a cold-climate pick: keeps 56% of its heat at 5°FMeets ENERGY STAR CC
    Heat kept at 5°F
    57% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Good
    54.7score / 100Heating 55 · Cooling 54
  4. 4TZP15AZ36AJ2Nwith indoor coil TCFZ3617STANM and furnace TZ80UH2V100B4*ATHERMAL ZONE3 tons · 34,000 Btu/h · DuctedNot a cold-climate pick: keeps 57% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    58% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Good
    54.4score / 100Heating 54 · Cooling 54
  5. 5TZP15AZ30AJ2Nwith indoor coil TCFZ3617STANM and furnace TZ80DZ1V050A3*ATHERMAL ZONE2.5 tons · 28,400 Btu/h · DuctedNot a cold-climate pick: keeps 54% of its heat at 5°FMeets ENERGY STAR CC
    Heat kept at 5°F
    57% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Good
    53.0score / 100Heating 52 · Cooling 54

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