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AIR TECH vs Classic America: heat pump ratings compared
Against heat pumps of the same size and type, a typical AIR TECH model beats 70% and a typical Classic America model 32%. AIR TECH rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
AIR TECH
70%
of similar heat pumps beaten by its typical model
Well above average13 models listed
Classic America
32%
of similar heat pumps beaten by its typical model
Well below average9 models listed
- Efficiency on a 5°F dayCOP at 5°FAIR TECH: Beats 57%Classic America: Beats 33%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAIR TECH: Beats 75%Classic America: Beats 22%
- Winter-long heating efficiencyHSPF2AIR TECH: Beats 67%Classic America: Beats 43%
- Summer-long cooling efficiencySEER2AIR TECH: Beats 83%Classic America: Beats 38%
- Hot-day cooling efficiencyEER2AIR TECH: Beats 64%Classic America: Beats 27%
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
- AIR TECH
- 92%
- Classic America
- 44%
Xcel CC
- AIR TECH
- 92%
- Classic America
- 44%
CEE Advanced
- AIR TECH
- 8%
- Classic America
- 0%
ENERGY STAR CC
- AIR TECH
- 0%
- Classic America
- 44%
Top cold-climate picks, ductless 2.5–3 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, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
AIR TECH
- 1ATMO36AXR32AIR TECH3 tons · 36,000 Btu/h · DuctlessKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 92% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 11.0 (HSPF2)
- Top 10%
- 2ATVO36GRR32AIR TECH3 tons · 36,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.40 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 9.8 (HSPF2)
- Below the middle
Classic America
- 1MZR454-27CHA2-OClassic America2.5 tons · 27,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.5 (HSPF2)
- Great
- 2MZR454-36CHA2-OClassic America3 tons · 35,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 72% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.0 (HSPF2)
- Good
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