#1 Window
Midea MWEUWA-05CRFN8-BCN4
5,000 BTU · 260.4 kWh/season
20 5,000 BTU Window & Wall Air Conditioners, Ranked by Running Cost
Room air conditioners (window and through-the-wall) with rated cooling capacity 0-5,499 BTU/h, sold in the US. Window and through-the-wall units are mixed and tagged below. Ranked cheapest to run first, estimated at 18.31¢/kWh over a 750-hour cooling season (July 2026 rate).
20 ENERGY STAR certified models, from about $48 to $52 a cooling season to run at the US average electricity rate. This assumes 750 hours of cooling a year, ENERGY STAR's test assumption for a typical season — not continuous, year-round use. See how we calculate running costs.
Top 5 cheapest to run
#2 Window
Vissani VAW05V1KWT
5,000 BTU · 260.4 kWh/season
#3 Window
Brothers 102372
5,000 BTU · 260.4 kWh/season
#4 Window
Midea MAW05R1VWBL-T
5,000 BTU · 260.4 kWh/season
#5 Window
Midea MAW05R1VWWT-T
5,000 BTU · 260.4 kWh/season
All 20 models
| Rank | Brand | Model | Mount | BTU | Energy use | Est. cost/season |
|---|---|---|---|---|---|---|
| 1 | Midea | MWEUWA-05CRFN8-BCN4 | Window | 5,000 | 260.4 kWh/season | $48 |
| 2 | Vissani | VAW05V1KWT | Window | 5,000 | 260.4 kWh/season | $48 |
| 3 | Brothers | 102372 | Window | 5,000 | 260.4 kWh/season | $48 |
| 4 | Midea | MAW05R1VWBL-T | Window | 5,000 | 260.4 kWh/season | $48 |
| 5 | Midea | MAW05R1VWWT-T | Window | 5,000 | 260.4 kWh/season | $48 |
| 6 | Frigidaire | FHWC055TF1 | Window | 5,000 | 260.4 kWh/season | $48 |
| 7 | Frigidaire | FHWC056TF1 | Window | 5,000 | 260.4 kWh/season | $48 |
| 8 | Midea | MAW05R1KWT-B | Window | 5,000 | 260.4 kWh/season | $48 |
| 9 | Midea | MAW05S1KWT-A | Window | 5,000 | 260.4 kWh/season | $48 |
| 10 | Perfect Aire | 1PACV5000 | Window | 5,000 | 260.4 kWh/season | $48 |
| 11 | BLACK+DECKER | BDM05C | Window | 5,000 | 260.4 kWh/season | $48 |
| 12 | TCL | W5WC72M | Window | 5,000 | 273.7 kWh/season | $50 |
| 13 | TCL | W5WC72M-B | Window | 5,000 | 273.7 kWh/season | $50 |
| 14 | TCL | T05WV9M | Window | 5,000 | 273.7 kWh/season | $50 |
| 15 | TCL | T05WV9MB | Window | 5,000 | 273.7 kWh/season | $50 |
| 16 | TCL | W5WC72 | Window | 5,000 | 273.7 kWh/season | $50 |
| 17 | TCL | W5WC72-B | Window | 5,000 | 273.7 kWh/season | $50 |
| 18 | TCL | T05WV9R | Window | 5,000 | 273.7 kWh/season | $50 |
| 19 | TCL | T05WV9RB | Window | 5,000 | 273.7 kWh/season | $50 |
| 20 | Whirlpool | WHAW050EX | Window | 5,000 | 286.3 kWh/season | $52 |