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Stelpro heat pumps: how do their ratings compare?

A typical Stelpro heat pump beats 67% of similar heat pumps (same size and type), which is well above average. Stelpro has 32 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

67%

of similar heat pumps beaten by its typical model

Well above average

Stelpro has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 46 models with every rating.

Stelpro, rating by ratingStrongest on winter-long heating efficiency (beats 78%), weakest on efficiency on a 5°f day (beats 51%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 51%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 77%
  • Winter-long heating efficiencyHSPF2Beats 78%
  • Summer-long cooling efficiencySEER2Beats 67%
  • Hot-day cooling efficiencyEER2Beats 62%

Average (50%)

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

Want Stelpro’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.

  • 88%

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

    28 models. All brands: 57%.

    See them

  • 94%

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

    30 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 Stelpro 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?

8 of Stelpro’s 8 models of this size and type qualify.

  1. 1SMZ5B1-H48A-OStelproAlso listed as SMZ5B1V-H48A-O4 tons · 47,000 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
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    82.7score / 100
  2. 2SMZ5B1-H55A-OStelproAlso listed as SMZ5B1V-H55A-O4.5 tons · 53,000 Btu/h · DuctedKeeps 87% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    10.7 (HSPF2)
    Top 10%
    81.2score / 100
  3. 3SDB1-H48A-Owith ducted air handler SAHB1-H48A-IStelpro4 tons · 48,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    68.8score / 100
  4. 4SDB1-H60A-Owith ducted air handler SAHB1-H60A-IStelpro4.5 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
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    60.5score / 100
  5. 5CCB1-H48A-Owith ducted air handler SMCB1-H60A2128-IStelpro4 tons · 45,000 Btu/h · DuctedKeeps 88% of its heat at 5°FMeets Xcel CC
    Heat kept at 5°F
    88% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.5 (HSPF2)
    Good
    54.7score / 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 Stelpro’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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