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First Co. vs InfinityLiving: heat pump ratings compared
Against heat pumps of the same size and type, a typical First Co. model beats 11% and a typical InfinityLiving model 51%. InfinityLiving 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
InfinityLiving
51%
of similar heat pumps beaten by its typical model
About average20 models listed
- Efficiency on a 5°F dayCOP at 5°FFirst Co.: Beats 34%InfinityLiving: Beats 52%
- Heating power kept at 5°FCapacity at 5°F vs 47°FFirst Co.: Beats 12%InfinityLiving: Beats 44%
- Winter-long heating efficiencyHSPF2First Co.: Beats 1%InfinityLiving: Beats 58%
- Summer-long cooling efficiencySEER2First Co.: Beats 0%InfinityLiving: Beats 57%
- Hot-day cooling efficiencyEER2First Co.: Beats 12%InfinityLiving: Beats 42%
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%
- InfinityLiving
- 75%
Xcel CC
- First Co.
- 0%
- InfinityLiving
- 65%
CEE Advanced
- First Co.
- 0%
- InfinityLiving
- 0%
ENERGY STAR CC
- First Co.
- 0%
- InfinityLiving
- 70%
All-around best, ducted 3.5–4.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
First Co.
No ducted, 3.5–4.5 tons model from First Co..
InfinityLiving
- 1EZ-48Z-M5BInfinityLiving3.5 tons · 43,000 Btu/h · DuctedCold-climate pick, score 70.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 79% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.5 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.0 (EER2)
- Great
- 2EZ-48-HPBwith ducted air handler EZ-48-AHBInfinityLiving4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 68.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 92% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 16.5 (SEER2)
- Good
- Hot-day cooling
- 10.5 (EER2)
- Below the middle
- 3EZ-60-HPBwith ducted air handler EZ-60-AHBInfinityLiving4.5 tons · 54,000 Btu/h · DuctedCold-climate pick, score 60.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 93% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 16.0 (SEER2)
- Good
- Hot-day cooling
- 10.0 (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