MANUFLOW heat pumps: how do their ratings compare?

A typical MANUFLOW heat pump beats 56% of similar heat pumps (same size and type), which is above average. MANUFLOW has 34 heat pump models in this list.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated Oct 10, 2026

Overall score

56%

of similar heat pumps beaten by its typical model

Above average

MANUFLOW has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 13 models with every rating.

MANUFLOW, rating by ratingStrongest on hot-day cooling efficiency (beats 50%), weakest on winter-long heating efficiency (beats 28%).

Efficiency on a 5°F dayCOP at 5°FBeats 34%
Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 48%
Winter-long heating efficiencyHSPF2Beats 28%
Summer-long cooling efficiencySEER2Beats 39%
Hot-day cooling efficiencyEER2Beats 50%

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.

35%
meet CEE 2025 Tier 1, the level many utility rebates use.
12 models. All brands: 48%.
See them
29%
meet Xcel Energy Colorado’s cold-climate rebate levels.
10 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 MANUFLOW 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?

9 of MANUFLOW’s 26 models of this size and type qualify.

1AS-09UW3SXEDJ(O)with ductless indoor unit AS-09UW3SXEDJ(I)MANUFLOW1 ton · 9,000 Btu/h · DuctlessKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
89% (Capacity at 5°F vs 47°F)
Great
Efficiency at 5°F
2.05 (COP at 5°F)
Good
Seasonal efficiency
10.5 (HSPF2)
Great
75.7score / 100
2AS-09UR3SXEDJ(O)with ductless indoor unit AS-09UR3SXEDJ(I)MANUFLOW1 ton · 9,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
78% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
2.10 (COP at 5°F)
Great
Seasonal efficiency
10.5 (HSPF2)
Great
75.0score / 100
3AS-12UW3SXADJ(O)with ductless indoor unit AS-12UW3SXADJ(I)MANUFLOW1 ton · 12,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
81% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
1.95 (COP at 5°F)
Good
Seasonal efficiency
9.8 (HSPF2)
Good
63.9score / 100
4AST-18UW3SBBDJ00(O)with ductless indoor unit AST-18UW3SBBDJ00(I)MANUFLOW1.5 tons · 18,000 Btu/h · DuctlessKeeps 77% of its heat at 5°FMeets 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
Seasonal efficiency
8.6 (HSPF2)
Below the middle
43.2score / 100
5AS-12UR3SXADJ(O)with ductless indoor unit AS-12UR3SXADJ(I)MANUFLOW1 ton · 12,000 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
1.75 (COP at 5°F)
Below the middle
Seasonal efficiency
9.8 (HSPF2)
Good
36.7score / 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 MANUFLOW’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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