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THERMOFLUX heat pumps: how do their ratings compare?

A typical THERMOFLUX heat pump beats 43% of similar heat pumps (same size and type), which is below average. THERMOFLUX has 9 heat pump models in this list.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Overall score

43%

of similar heat pumps beaten by its typical model

Below average

THERMOFLUX has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 9 models with every rating.

THERMOFLUX, rating by ratingStrongest on heating power kept at 5°f (beats 66%), weakest on hot-day cooling efficiency (beats 22%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 25%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 66%
  • Winter-long heating efficiencyHSPF2Beats 61%
  • Summer-long cooling efficiencySEER2Beats 50%
  • Hot-day cooling efficiencyEER2Beats 22%

Average (50%)

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

Want THERMOFLUX’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.

  • 44%

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

    4 models. All brands: 57%.

    See them

  • 44%

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

    4 models. All brands: 53%.

    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: 3%.

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

4 of THERMOFLUX’s 4 models of this size and type qualify.

  1. 1TMFS48HDI2NAJ0H26with ducted air handler TMFS48IDI2NAJ0H26THERMOFLUX4 tons · 48,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    69.4score / 100
  2. 2TMFS55HDI2NAJ0H26with ducted air handler TMFS55IDI2NAJ0H26THERMOFLUX4.5 tons · 54,000 Btu/h · DuctedKeeps 93% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    66.4score / 100
  3. 3TMFT48TDI2NAF2H26with ducted air handler TMFT48IDI2NAF2H26THERMOFLUX4 tons · 48,000 Btu/h · DuctedKeeps 75% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.1 (HSPF2)
    Good
    44.1score / 100
  4. 4TMFT55TDI2NAF2H26with ducted air handler TMFT55IDI2NAF2H26THERMOFLUX4.5 tons · 54,000 Btu/h · DuctedKeeps 74% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.1 (HSPF2)
    Good
    42.8score / 100

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 THERMOFLUX’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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