BOSTON AC heat pumps: how do their ratings compare?

A typical BOSTON AC heat pump beats 56% of similar heat pumps (same size and type), which is above average. BOSTON AC has 6 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

56%

of similar heat pumps beaten by its typical model

Above average

BOSTON AC 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.

BOSTON AC, rating by ratingStrongest on summer-long cooling efficiency (beats 65%), weakest on winter-long heating efficiency (beats 45%).

Efficiency on a 5°F dayCOP at 5°FBeats 55%
Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 52%
Winter-long heating efficiencyHSPF2Beats 45%
Summer-long cooling efficiencySEER2Beats 65%
Hot-day cooling efficiencyEER2Beats 59%

Average (50%)

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

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Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

100%
meet CEE 2025 Tier 1, the level many utility rebates use.
6 models. All brands: 48%.
See them
83%
meet Xcel Energy Colorado’s cold-climate rebate levels.
5 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 BOSTON AC 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 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?

5 of BOSTON AC’s 5 models of this size and type qualify.

1BA12HCT23X2Owith ductless indoor unit BA12HCT23X2IBOSTON AC1 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
2.18 (COP at 5°F)
Great
Seasonal efficiency
9.5 (HSPF2)
Good
68.8score / 100
2BA12HCT22X1Owith ductless indoor unit BA12HCT22X1IBOSTON AC1 ton · 12,000 Btu/h · DuctlessKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
75% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
2.19 (COP at 5°F)
Great
Seasonal efficiency
9.0 (HSPF2)
Below the middle
62.5score / 100
3BA18HCT22X2Owith ductless indoor unit BA18HCT22X2IBOSTON AC1.5 tons · 18,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
70% (Capacity at 5°F vs 47°F)
Below the middle
Efficiency at 5°F
2.21 (COP at 5°F)
Great
Seasonal efficiency
9.0 (HSPF2)
Below the middle
56.5score / 100
4BA09HCT23X1Owith ductless indoor unit BA09HCT23X1IBOSTON AC1 ton · 9,000 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
1.80 (COP at 5°F)
Below the middle
Seasonal efficiency
9.0 (HSPF2)
Below the middle
39.9score / 100
5BA09HCT23X2Owith ductless indoor unit BA09HCT23X2IBOSTON AC1 ton · 12,000 Btu/h · DuctlessKeeps 73% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
73% (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)
Below the middle
39.1score / 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 BOSTON AC’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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