AIR TECH vs NATIONAL: heat pump ratings compared
Against heat pumps of the same size and type, a typical AIR TECH model beats 70% and a typical NATIONAL model 25%. 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
NATIONAL
25%
of similar heat pumps beaten by its typical model
Well below average13 models listed
- Efficiency on a 5°F dayCOP at 5°FAIR TECH: Beats 57%NATIONAL: Beats 35%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAIR TECH: Beats 75%NATIONAL: Beats 16%
- Winter-long heating efficiencyHSPF2AIR TECH: Beats 67%NATIONAL: Beats 12%
- Summer-long cooling efficiencySEER2AIR TECH: Beats 83%NATIONAL: Beats 5%
- Hot-day cooling efficiencyEER2AIR TECH: Beats 64%NATIONAL: Beats 35%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- AIR TECH
- 92%
- NATIONAL
- 0%
Xcel CC
- AIR TECH
- 92%
- NATIONAL
- 0%
CEE Advanced
- AIR TECH
- 8%
- NATIONAL
- 0%
ENERGY STAR CC
- AIR TECH
- 0%
- NATIONAL
- 0%
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?
AIR TECH
- 1ATMO24AXR32AIR TECH2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 63.0Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 83% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 21.0 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Top 10%
- 2ATCO24AXR32with ducted air handler ATCD24AXR32AIR TECH2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 60.6Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 96% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Good
- Cooling efficiency
- 19.0 (SEER2)
- Great
- Hot-day cooling
- 11.0 (EER2)
- Below the middle
NATIONAL
- 1FCH524***ANATIONAL2 tons · 24,000 Btu/h · DuctedNot a cold-climate pick: keeps 47% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 48% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.70 (COP at 5°F)
- Below the middle
- Winter efficiency
- 7.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 14.0 (SEER2)
- Below the middle
- Hot-day cooling
- 12.0 (EER2)
- Good
- 2NHP5245000Awith ducted air handler L(E,F)W36CJNATIONAL2 tons · 22,800 Btu/h · DuctedNot a cold-climate pick: keeps 53% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 53% (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
- 7.2 (HSPF2)
- Below the middle
- Cooling efficiency
- 13.5 (SEER2)
- Below the middle
- Hot-day cooling
- 11.5 (EER2)
- Below the middle
- 3NHP5243000Awith ducted air handler L(E,F)W36CJNATIONAL2 tons · 21,400 Btu/h · DuctedNot a cold-climate pick: keeps 55% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 56% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.87 (COP at 5°F)
- Below the middle
- Winter efficiency
- 6.8 (HSPF2)
- Below the middle
- Cooling efficiency
- 12.5 (SEER2)
- Below the middle
- Hot-day cooling
- 10.5 (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.
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