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IAIR vs MANUFLOW: heat pump ratings compared

Against heat pumps of the same size and type, a typical IAIR model beats 18% and a typical MANUFLOW model 56%. MANUFLOW rates higher overall.

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

IAIR

18%

of similar heat pumps beaten by its typical model

Well below average

35 models listed

MANUFLOW

56%

of similar heat pumps beaten by its typical model

Above average

34 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FIAIR: Beats 2%MANUFLOW: Beats 34%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FIAIR: Beats 4%MANUFLOW: Beats 48%
  • Winter-long heating efficiencyHSPF2IAIR: Beats 19%MANUFLOW: Beats 28%
  • Summer-long cooling efficiencySEER2IAIR: Beats 15%MANUFLOW: Beats 39%
  • Hot-day cooling efficiencyEER2IAIR: Beats 60%MANUFLOW: Beats 50%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    IAIR
    0%
    MANUFLOW
    35%

  • Xcel CC

    IAIR
    0%
    MANUFLOW
    29%

  • CEE Advanced

    IAIR
    0%
    MANUFLOW
    0%

  • ENERGY STAR CC

    IAIR
    0%
    MANUFLOW
    0%

Top cold-climate picks, ducted 2.5–3 tons

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, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

IAIR

None of IAIR’s ducted, 2.5–3 tons models qualifies.

MANUFLOW

No ducted, 2.5–3 tons model from MANUFLOW.

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view