Skip to content
Rebate.Blue

SLOMIN'S vs TRUENORTH: heat pump ratings compared

Against heat pumps of the same size and type, a typical SLOMIN'S model beats 36% and a typical TRUENORTH model 53%. TRUENORTH rates higher overall.

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

SLOMIN'S

36%

of similar heat pumps beaten by its typical model

Well below average

10 models listed

TRUENORTH

53%

of similar heat pumps beaten by its typical model

About average

10 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°FSLOMIN'S: Beats 39%TRUENORTH: Beats 54%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FSLOMIN'S: Beats 43%TRUENORTH: Beats 59%
  • Winter-long heating efficiencyHSPF2SLOMIN'S: Beats 37%TRUENORTH: Beats 38%
  • Summer-long cooling efficiencySEER2SLOMIN'S: Beats 45%TRUENORTH: Beats 50%
  • Hot-day cooling efficiencyEER2SLOMIN'S: Beats 17%TRUENORTH: Beats 63%

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

    SLOMIN'S
    80%
    TRUENORTH
    90%

  • Xcel CC

    SLOMIN'S
    60%
    TRUENORTH
    90%

  • CEE Advanced

    SLOMIN'S
    0%
    TRUENORTH
    10%

  • ENERGY STAR CC

    SLOMIN'S
    0%
    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?

SLOMIN'S

  1. 1AC116718CZSLOMIN'S1.5 tons · 20,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    45.3score / 100
  2. 2AC1167Z12with ductless indoor unit AC1167Z12SLOMIN'S1 ton · 12,000 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
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    38.5score / 100

TRUENORTH

  1. 1WLWHD(18)ND6MOTRUENORTH1.5 tons · 18,000 Btu/h · DuctlessKeeps 77% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    61.4score / 100
  2. 2WLWH09ATCXB-D6DNA4D/Owith ductless indoor unit WLWH09AWCXB-D6DNA1C/ITRUENORTH1 ton · 9,100 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
    1.94 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.8 (HSPF2)
    Below the middle
    41.6score / 100
  3. 3WLWH12ATCXB-D6DNA4B/Owith ductless indoor unit WLWH12AWCXB-D6DNA1A/ITRUENORTH1 ton · 12,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    26.7score / 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