Skip to content
Rebate.Blue

Century vs Mitsutomo: heat pump ratings compared

Against heat pumps of the same size and type, a typical Century model beats 54% and a typical Mitsutomo model 59%. Mitsutomo rates higher overall.

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

Century

54%

of similar heat pumps beaten by its typical model

About average

63 models listed

Mitsutomo

59%

of similar heat pumps beaten by its typical model

Above average

31 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°FCentury: Beats 57%Mitsutomo: Beats 48%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCentury: Beats 52%Mitsutomo: Beats 72%
  • Winter-long heating efficiencyHSPF2Century: Beats 44%Mitsutomo: Beats 72%
  • Summer-long cooling efficiencySEER2Century: Beats 40%Mitsutomo: Beats 60%
  • Hot-day cooling efficiencyEER2Century: Beats 53%Mitsutomo: 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

    Century
    44%
    Mitsutomo
    71%

  • Xcel CC

    Century
    27%
    Mitsutomo
    68%

  • CEE Advanced

    Century
    0%
    Mitsutomo
    3%

  • ENERGY STAR CC

    Century
    30%
    Mitsutomo
    77%

Top cold-climate picks, ducted 5 tons and up

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, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?

Century

None of Century’s ducted, 5 tons and up models qualifies.

Mitsutomo

No ducted, 5 tons and up model from Mitsutomo.

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