Best by Capacity
Top-performing heat pumps for every home size. Find the best unit for your needs.
Capacity Tiers
Models Analyzed
Cold Climate Leader
Most #1 positions
Efficiency Leader
Most #1 positions
Select Your Home Size
Single room, small spaces
Cold Climate Champions
2.98
COP@5°F
Mitsubishi Electric
SUZ-AA09NL***
3.00
COP@5°F
Mitsubishi Electric
SUZ-AA09NL***
2.67
COP@5°F
Mitsubishi Electric
SUZ-CA09NLH***
Efficiency Champions
35.1
SEER2
Carrier
37MPRAQ06AA3
35.1
SEER2
Midea
37MPRAQ06AA3
35.1
SEER2
Carrier
37MPRAQ06AA3
Leaderboards
Full rankings for 9k-12k BTU
Cold Climate (COP@5°F)
| # | Brand | COP |
|---|---|---|
Mitsubishi Electric SUZ-AA09NL*** | 3.00 | |
Mitsubishi Electric SUZ-AA09NL*** | 2.98 | |
Mitsubishi Electric SUZ-CA09NLH*** | 2.67 |
Cooling Efficiency (SEER2)
| # | Brand | SEER2 |
|---|---|---|
Midea 37MPRAQ06AA3 | 35.1 | |
Carrier 37MPRAQ06AA3 | 35.1 | |
Carrier 37MPRAQ06AA3 | 35.1 |
Champions Across All Capacities
Quick comparison of #1 performers across all home sizes
Single room, small spaces
Mitsubishi Electric
3.00 COP
Midea
35.1 SEER2
3235 models available
Large room, small home
Mitsubishi Electric
3.00 COP
Fujitsu
28.7 SEER2
1871 models available
Medium home, 1000-1500 sq ft
Trane
3.03 COP
Gree
27.0 SEER2
3109 models available
Larger home, 1500-2000 sq ft
York
3.02 COP
Carrier
29.1 SEER2
3278 models available
Large home, 2000+ sq ft
York
2.95 COP
Carrier
24.4 SEER2
4062 models available
About This Analysis
Rankings based on 15,555 heat pump models across 5 capacity tiers. Cold climate performance measured by COP@5°F, cooling efficiency by SEER2 rating. Data updated as new products enter the market.


