GENERALLUX STAR heat pumps: how do their ratings compare?

A typical GENERALLUX STAR heat pump beats 58% of similar heat pumps (same size and type), which is above average. GENERALLUX STAR has 7 heat pump models in this list.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated Oct 11, 2026

Overall score

58%

of similar heat pumps beaten by its typical model

Above average

GENERALLUX STAR has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 4 models with every rating.

GENERALLUX STAR, rating by ratingStrongest on heating power kept at 5°f (beats 69%), weakest on winter-long heating efficiency (beats 31%).

Efficiency on a 5°F dayCOP at 5°FBeats 37%
Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 69%
Winter-long heating efficiencyHSPF2Beats 31%
Summer-long cooling efficiencySEER2Beats 36%
Hot-day cooling efficiencyEER2Beats 50%

Average (50%)

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

Want GENERALLUX STAR’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.

57%
meet CEE 2025 Tier 1, the level many utility rebates use.
4 models. All brands: 48%.
See them
57%
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%.

GENERALLUX STAR all-around best, by size

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

4 of GENERALLUX STAR’s 6 models of this size and type have all five ratings.

1GNS-12HCH23TO2with ductless indoor unit GNS-12HCH23TI2GENERALLUX STAR1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 58.2Meets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
83% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
1.89 (COP at 5°F)
Below the middle
Winter efficiency
9.5 (HSPF2)
Good
Cooling efficiency
23.5 (SEER2)
Great
Hot-day cooling
12.7 (EER2)
Good
65.0score / 100Heating 58 · Cooling 72
2GNS-12HCH22TO1with ductless indoor unit GNS-12HCH22TI1GENERALLUX STAR1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 54.9Meets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
80% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
1.85 (COP at 5°F)
Below the middle
Winter efficiency
9.5 (HSPF2)
Good
Cooling efficiency
21.0 (SEER2)
Below the middle
Hot-day cooling
13.0 (EER2)
Good
56.8score / 100Heating 55 · Cooling 59
3GNS-18HCH23TO1with ductless indoor unit GNS-18HCH23TI1GENERALLUX STAR1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 43.2Meets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
77% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
1.87 (COP at 5°F)
Below the middle
Winter efficiency
8.6 (HSPF2)
Below the middle
Cooling efficiency
22.5 (SEER2)
Good
Hot-day cooling
13.0 (EER2)
Good
56.5score / 100Heating 43 · Cooling 70
4GNS-18HCH21TO2with ductless indoor unit GNS-18HCH21TI2GENERALLUX STAR1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 51.4Meets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
86% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
1.80 (COP at 5°F)
Below the middle
Winter efficiency
9.5 (HSPF2)
Good
Cooling efficiency
20.5 (SEER2)
Below the middle
Hot-day cooling
13.2 (EER2)
Great
54.7score / 100Heating 51 · Cooling 58

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 GENERALLUX STAR’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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