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BOSTON AC vs Olimpia Splendid: heat pump ratings compared

Against heat pumps of the same size and type, a typical BOSTON AC model beats 56% and a typical Olimpia Splendid model 55%. BOSTON AC rates slightly higher overall.

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

BOSTON AC

56%

of similar heat pumps beaten by its typical model

Above average

6 models listed

Olimpia Splendid

55%

of similar heat pumps beaten by its typical model

Above average

6 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°FBOSTON AC: Beats 55%Olimpia Splendid: Beats 72%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBOSTON AC: Beats 52%Olimpia Splendid: Beats 32%
  • Winter-long heating efficiencyHSPF2BOSTON AC: Beats 45%Olimpia Splendid: Beats 52%
  • Summer-long cooling efficiencySEER2BOSTON AC: Beats 65%Olimpia Splendid: Beats 58%
  • Hot-day cooling efficiencyEER2BOSTON AC: Beats 59%Olimpia Splendid: Beats 59%

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

    BOSTON AC
    100%
    Olimpia Splendid
    83%

  • Xcel CC

    BOSTON AC
    83%
    Olimpia Splendid
    33%

  • CEE Advanced

    BOSTON AC
    0%
    Olimpia Splendid
    0%

  • ENERGY STAR CC

    BOSTON AC
    0%
    Olimpia Splendid
    0%

Top cold-climate picks, ductless 2 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 Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

BOSTON AC

None of BOSTON AC’s ductless, 2 tons models qualifies.

Olimpia Splendid

  1. 1OS-CENIH24EIwith ductless indoor unit OS-SENIH24EIOlimpia Splendid2 tons · 24,000 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)
    Below the middle
    Efficiency at 5°F
    2.22 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    55.7score / 100

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