MAESTRO heat pumps: how do their ratings compare?

A typical MAESTRO heat pump beats 31% of similar heat pumps (same size and type), which is well below average. MAESTRO 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

31%

of similar heat pumps beaten by its typical model

Well below average

MAESTRO has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 7 models with every rating.

MAESTRO, rating by ratingStrongest on hot-day cooling efficiency (beats 44%), weakest on efficiency on a 5°f day (beats 16%).

Efficiency on a 5°F dayCOP at 5°FBeats 16%
Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 28%
Winter-long heating efficiencyHSPF2Beats 24%
Summer-long cooling efficiencySEER2Beats 34%
Hot-day cooling efficiencyEER2Beats 44%

Average (50%)

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

Want MAESTRO’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
43%
meet Xcel Energy Colorado’s cold-climate rebate levels.
3 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%.

MAESTRO 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 MAESTRO’s 4 models of this size and type have all five ratings.

1MA-12CA22SEXTwith ductless indoor unit MA-12CA22SINTMAESTRO1 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
2MA-18CA22SEXTwith ductless indoor unit MA-18CA22SINTMAESTRO1.5 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
3MA-18CA22EXTwith ductless indoor unit MA-18CA22INTMAESTRO1.5 tons · 18,000 Btu/h · DuctlessNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
Heat kept at 5°F
66% (Capacity at 5°F vs 47°F)
Below the middle
Efficiency at 5°F
1.80 (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
46.8score / 100Heating 24 · Cooling 70
4MA-12CA22EXTwith ductless indoor unit MA-12CA22INTMAESTRO1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 34.7Meets 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
1.75 (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
46.7score / 100Heating 35 · Cooling 59

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

Open the advanced view