Skip to content
Rebate.Blue

Enerwave vs ENVIAIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical Enerwave model beats 22% and a typical ENVIAIR model 53%. ENVIAIR rates higher overall.

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

Enerwave

22%

of similar heat pumps beaten by its typical model

Well below average

14 models listed

ENVIAIR

53%

of similar heat pumps beaten by its typical model

About average

14 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°FEnerwave: Beats 17%ENVIAIR: Beats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FEnerwave: Beats 31%ENVIAIR: Beats 60%
  • Winter-long heating efficiencyHSPF2Enerwave: Beats 36%ENVIAIR: Beats 42%
  • Summer-long cooling efficiencySEER2Enerwave: Beats 18%ENVIAIR: Beats 57%
  • Hot-day cooling efficiencyEER2Enerwave: Beats 15%ENVIAIR: Beats 57%

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

    Enerwave
    0%
    ENVIAIR
    86%

  • Xcel CC

    Enerwave
    0%
    ENVIAIR
    86%

  • CEE Advanced

    Enerwave
    0%
    ENVIAIR
    14%

  • ENERGY STAR CC

    Enerwave
    0%
    ENVIAIR
    0%

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

Enerwave

No ducted, 3.5–4.5 tons model from Enerwave.

ENVIAIR

  1. 1ECSO19A60FLU230Awith ducted air handler ESCI19A-C60FL230AENVIAIR4.5 tons · 52,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    63.1score / 100
  2. 2EMSO21M48ZE230AENVIAIR4 tons · 48,000 Btu/h · DuctedKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.1 (HSPF2)
    Good
    50.5score / 100

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