- Insights
- Record holders
Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
Record holders, size class by size class
The highest certified value on each single rating, in each size class. A record is one rating, not an overall verdict; for that, see the cold-climate picks. A record across all sizes would mostly go to the smallest units, so each record here is for one size and type.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Records: ducted, 2 tons
Showing Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?
Efficiency on a 5°F day
3.55
COP at 5°F
UPC24CN23STG1York (sold as Guardian)
2 tons · 24,000 Btu/h · Ducted
Heating power kept at 5°F
134%
Capacity at 5°F vs 47°F
RP15AY24AJ2NRheem (sold as RUUD)
2 tons · 21,600 Btu/h · Ducted
Winter-long heating efficiency
11.7
HSPF2
2 tons · 24,000 Btu/h · Ducted
Summer-long cooling efficiency
25.0
SEER2
MOD30-24HFN10-M1HMidea (sold as MDV)
2 tons · 24,000 Btu/h · Ducted
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
Smaller brands worth a look
Heating power kept at 5°F: its typical model beats 65% of similar heat pumps, against 49% for the 5 largest brands.
Next steps
The advanced view has the all-sizes records with runners-up, the best of every size class in one table and the full list of smaller brands.
Open the advanced view