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LLOYD vs Relief Sciences: heat pump ratings compared

Against heat pumps of the same size and type, a typical LLOYD model beats 21% and a typical Relief Sciences model 66%. Relief Sciences rates higher overall.

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

LLOYD

21%

of similar heat pumps beaten by its typical model

Well below average

10 models listed

Relief Sciences

66%

of similar heat pumps beaten by its typical model

Well above average

10 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°FLLOYD: Beats 14%Relief Sciences: Beats 38%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLLOYD: Beats 38%Relief Sciences: Beats 72%
  • Winter-long heating efficiencyHSPF2LLOYD: Beats 10%Relief Sciences: Beats 73%
  • Summer-long cooling efficiencySEER2LLOYD: Beats 24%Relief Sciences: Beats 76%
  • Hot-day cooling efficiencyEER2LLOYD: Beats 14%Relief Sciences: Beats 67%

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

    LLOYD
    40%
    Relief Sciences
    100%

  • Xcel CC

    LLOYD
    40%
    Relief Sciences
    90%

  • CEE Advanced

    LLOYD
    0%
    Relief Sciences
    0%

  • ENERGY STAR CC

    LLOYD
    0%
    Relief Sciences
    0%

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?

LLOYD

No ducted, 5 tons and up model from LLOYD.

Relief Sciences

No ducted, 5 tons and up model from Relief Sciences.

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