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GSI heat pumps: how do their ratings compare?

A typical GSI heat pump beats 48% of similar heat pumps (same size and type), which is about average. GSI has 6 heat pump models in this list.

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

Overall score

48%

of similar heat pumps beaten by its typical model

About average

GSI has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 6 models with every rating.

GSI, rating by ratingStrongest on winter-long heating efficiency (beats 78%), weakest on hot-day cooling efficiency (beats 24%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 48%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 70%
  • Winter-long heating efficiencyHSPF2Beats 78%
  • Summer-long cooling efficiencySEER2Beats 37%
  • Hot-day cooling efficiencyEER2Beats 24%

Average (50%)

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

Want GSI’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.

  • 33%

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

    2 models. All brands: 48%.

    See them

  • 67%

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

    4 models. All brands: 38%.

    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: 1%.

Top GSI 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?

2 of GSI’s 2 models of this size and type qualify.

  1. 1SOE30U-55HFN1-Mwith ducted air handler SAC-60HWDN1-MN0GSI4.5 tons · 53,000 Btu/h · DuctedKeeps 85% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.6 (HSPF2)
    Good
    58.3score / 100
  2. 2SOE30U-48HFN1-M-[X1]with ducted air handler SAC-48HWDN1-MN0GSI4 tons · 46,000 Btu/h · DuctedKeeps 78% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    57.4score / 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 GSI’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view