Skip to content
Rebate.Blue

MAXI AIR vs TRUENORTH: heat pump ratings compared

Against heat pumps of the same size and type, a typical MAXI AIR model beats 67% and a typical TRUENORTH model 41%. MAXI AIR rates higher overall.

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

MAXI AIR

67%

of similar heat pumps beaten by its typical model

Well above average

19 models listed

TRUENORTH

41%

of similar heat pumps beaten by its typical model

Below average

18 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°FMAXI AIR: Beats 41%TRUENORTH: Beats 36%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FMAXI AIR: Beats 70%TRUENORTH: Beats 54%
  • Winter-long heating efficiencyHSPF2MAXI AIR: Beats 75%TRUENORTH: Beats 45%
  • Summer-long cooling efficiencySEER2MAXI AIR: Beats 76%TRUENORTH: Beats 41%
  • Hot-day cooling efficiencyEER2MAXI AIR: Beats 63%TRUENORTH: Beats 33%

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

    MAXI AIR
    68%
    TRUENORTH
    50%

  • Xcel CC

    MAXI AIR
    74%
    TRUENORTH
    39%

  • CEE Advanced

    MAXI AIR
    0%
    TRUENORTH
    0%

  • ENERGY STAR CC

    MAXI AIR
    53%
    TRUENORTH
    0%

Top cold-climate picks, ductless up to 1.5 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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

MAXI AIR

  1. 1YS21F-18HRDN1with ductless indoor unit YS21F-18HRDN1MAXI AIRAlso listed as NE-T52-PLA18INT1.5 tons · 18,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.38 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    70.6score / 100
  2. 2NE-T52-SUPAE18Ewith ductless indoor unit NE-T52-SUPAE18IMAXI AIRAlso listed as NE-T53-AEG18EXT1.5 tons · 18,000 Btu/h · DuctlessKeeps 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)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    11.3 (HSPF2)
    Top 10%
    67.2score / 100
  3. 3NE-T52-SUPAE12Ewith ductless indoor unit NE-T52-SUPAE12IMAXI AIRAlso listed as NE-T53-AEG12EXT1 ton · 12,000 Btu/h · DuctlessKeeps 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)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.4 (HSPF2)
    Great
    62.4score / 100

TRUENORTH

  1. 1WLWHD(18)ND3MOTRUENORTH1.5 tons · 17,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.21 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    73.1score / 100
  2. 2WLWHD(18)ND3POTRUENORTH1.5 tons · 18,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    69.6score / 100
  3. 3WLW09HQ19SDOwith ductless indoor unit WLW09HQ19SDITRUENORTH1 ton · 9,100 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.81 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.8 (HSPF2)
    Below the middle
    41.4score / 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