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First Co. vs MITS AIR: heat pump ratings compared
Against heat pumps of the same size and type, a typical First Co. model beats 11% and a typical MITS AIR model 58%. MITS AIR rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
First Co.
11%
of similar heat pumps beaten by its typical model
Well below average21 models listed
MITS AIR
58%
of similar heat pumps beaten by its typical model
Above average6 models listed
- Efficiency on a 5°F dayCOP at 5°FFirst Co.: Beats 34%MITS AIR: Beats 42%
- Heating power kept at 5°FCapacity at 5°F vs 47°FFirst Co.: Beats 12%MITS AIR: Beats 80%
- Winter-long heating efficiencyHSPF2First Co.: Beats 1%MITS AIR: Beats 76%
- Summer-long cooling efficiencySEER2First Co.: Beats 0%MITS AIR: Beats 55%
- Hot-day cooling efficiencyEER2First Co.: Beats 12%MITS AIR: Beats 47%
Average (50%)Dashed outline: the other brand, for comparison
Want ranks, distributions per size class and cold-weather curves? Switch to Advanced
Rebate standards
CEE 2025
- First Co.
- 0%
- MITS AIR
- 100%
Xcel CC
- First Co.
- 0%
- MITS AIR
- 100%
CEE Advanced
- First Co.
- 0%
- MITS AIR
- 0%
ENERGY STAR CC
- First Co.
- 0%
- MITS AIR
- 100%
All-around best, ducted 2 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?
First Co.
- 124WHHPBAwith ducted air handler 37CLX(*,Q,W)First Co.2 tons · 23,000 Btu/h · DuctedNot a cold-climate pick: keeps 56% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 55% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 6.8 (HSPF2)
- Below the middle
- Cooling efficiency
- 13.5 (SEER2)
- Below the middle
- Hot-day cooling
- 12.0 (EER2)
- Good
- 2EHE24***D***BFirst Co.Also listed as EHE24***E***B2 tons · 24,400 Btu/h · DuctedNot a cold-climate pick: keeps 51% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 51% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 6.3 (HSPF2)
- Below the middle
- Cooling efficiency
- 11.9 (SEER2)
- Below the middle
- Hot-day cooling
- 10.0 (EER2)
- Below the middle
- 3EHE30***D***BFirst Co.Also listed as EHE30***E***B2 tons · 26,400 Btu/h · DuctedNot a cold-climate pick: keeps 51% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 51% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 6.3 (HSPF2)
- Below the middle
- Cooling efficiency
- 11.9 (SEER2)
- Below the middle
- Hot-day cooling
- 10.0 (EER2)
- Below the middle
MITS AIR
- 1MAMOX430-24HFN10-M3Xwith ducted air handler MAMVBC-24HWFN10-MB3E-DMITS AIR2 tons · 23,000 Btu/h · DuctedCold-climate pick, score 66.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 90% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.87 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 18.3 (SEER2)
- Good
- Hot-day cooling
- 11.7 (EER2)
- Below the middle
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