#1 Window Most Efficient
Friedrich KCVM14B10B
14,100 BTU · 652.8 kWh/season
60 14,000 BTU Window & Wall Air Conditioners, Ranked by Running Cost
Room air conditioners (window and through-the-wall) with rated cooling capacity 13,500-16,999 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).
60 ENERGY STAR certified models, from about $120 to $183 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 Most Efficient
TCL W14WC72
14,000 BTU · 656.3 kWh/season
#3 Window Most Efficient
TCL W14WC72-B
14,000 BTU · 656.3 kWh/season
#4 Window Most Efficient
TCL T14WV9S
14,000 BTU · 656.3 kWh/season
#5 Window Most Efficient
TCL T14WV9SB
14,000 BTU · 656.3 kWh/season
All 60 models
| Rank | Brand | Model | Mount | BTU | Energy use | Est. cost/season |
|---|---|---|---|---|---|---|
| 1 | Friedrich Most Efficient | KCVM14B10B | Window | 14,100 | 652.8 kWh/season | $120 |
| 2 | TCL Most Efficient | W14WC72 | Window | 14,000 | 656.3 kWh/season | $120 |
| 3 | TCL Most Efficient | W14WC72-B | Window | 14,000 | 656.3 kWh/season | $120 |
| 4 | TCL Most Efficient | T14WV9S | Window | 14,000 | 656.3 kWh/season | $120 |
| 5 | TCL Most Efficient | T14WV9SB | Window | 14,000 | 656.3 kWh/season | $120 |
| 6 | Midea Most Efficient | MWEUWA-14CRFN8-BCP0 | Window | 14,000 | 656.3 kWh/season | $120 |
| 7 | GE Most Efficient | PWJV14W**# | Window | 14,000 | 656.3 kWh/season | $120 |
| 8 | Midea Most Efficient | MWFUWA-14CRFN8-BCP0 | Window | 14,000 | 656.3 kWh/season | $120 |
| 9 | Midea Most Efficient | MAW14V1KYWT-S | Window | 14,000 | 656.3 kWh/season | $120 |
| 10 | Midea Most Efficient | MAW14RV1KWT | Window | 14,000 | 656.3 kWh/season | $120 |
| 11 | Seasons Most Efficient | SW14VB1 | Window | 14,000 | 656.3 kWh/season | $120 |
| 12 | Frigidaire Most Efficient | FHWW145WF1 | Window | 14,000 | 656.3 kWh/season | $120 |
| 13 | Frigidaire Most Efficient | FHWW146WF1 | Window | 14,000 | 656.3 kWh/season | $120 |
| 14 | Midea Most Efficient | MAW14S1KWT-A | Window | 14,000 | 656.3 kWh/season | $120 |
| 15 | Perfect Aire Most Efficient | 1PACV14000 | Window | 14,000 | 656.3 kWh/season | $120 |
| 16 | BLACK+DECKER Most Efficient | BDM14C | Window | 14,000 | 656.3 kWh/season | $120 |
| 17 | Whirlpool Most Efficient | WHAW151CX | Window | 14,000 | 656.3 kWh/season | $120 |
| 18 | GE Most Efficient | AWHV14***# | Window | 14,000 | 656.3 kWh/season | $120 |
| 19 | GE | AHTR14AC*# | Window | 13,500 | 688.8 kWh/season | $126 |
| 20 | Vissani | VAWA14V4HWT | Window | 14,000 | 700 kWh/season | $128 |
| 21 | GE | PWDV14W**# | Window | 14,000 | 700 kWh/season | $128 |
| 22 | Frigidaire | FHWW145WE1 | Window | 14,000 | 700 kWh/season | $128 |
| 23 | Midea | MAW14R1VWT | Window | 14,000 | 700 kWh/season | $128 |
| 24 | Danby | DAC140EBIBDB | Window | 14,000 | 700 kWh/season | $128 |
| 25 | Hisense | AW1422TW1W | Window | 14,000 | 700 kWh/season | $128 |
| 26 | Midea | MWCUWA-14CRFN8-BCN10 | Window | 14,000 | 700 kWh/season | $128 |
| 27 | Midea | MAW14S1VWT-A | Window | 14,000 | 700 kWh/season | $128 |
| 28 | Keystone | KSTAW141WA | Window | 14,000 | 700 kWh/season | $128 |
| 29 | Keplerx | KARC14RSVE1 | Window | 14,000 | 700 kWh/season | $128 |
| 30 | Midea | MAW14S1VWWT-T | Window | 14,000 | 700 kWh/season | $128 |
| 31 | Midea | MAW14RV1CWT | Window | 14,000 | 700 kWh/season | $128 |
| 32 | Midea | MAW14V1YWT-S | Window | 14,000 | 700 kWh/season | $128 |
| 33 | Midea | MAW14RV1CCWT | Window | 14,000 | 700 kWh/season | $128 |
| 34 | Midea | 1014634880 | Window | 14,000 | 700 kWh/season | $128 |
| 35 | Element | EHWR14BE | Window | 14,000 | 700 kWh/season | $128 |
| 36 | Whirlpool Most Efficient | WHAW151INV | Window | 15,000 | 703.1 kWh/season | $129 |
| 37 | Friedrich | KCVM14B10A | Window | 13,900 | 709.2 kWh/season | $130 |
| 38 | LG | LW1522IVSM | Window | 14,000 | 714.3 kWh/season | $131 |
| 39 | LG | LW1522FVSM | Window | 14,000 | 714.3 kWh/season | $131 |
| 40 | Kühl Most Efficient | KCVS16B30B | Window | 15,400 | 721.9 kWh/season | $132 |
| 41 | Friedrich Most Efficient | WCVT12B30A | Through-the-wall | 13,600 | 733.8 kWh/season | $134 |
| 42 | Midea Most Efficient | MWEUTW-14CRFN8-MCM9 | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 43 | Seasons Most Efficient | ST14VA2 | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 44 | Midea Most Efficient | MAT14R2FWTK | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 45 | Midea Most Efficient | MAT14R2SWTK | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 46 | Brothers Most Efficient | 102395 | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 47 | Pelonis Most Efficient | PAT14R2KWT | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 48 | Frigidaire Most Efficient | FHTC145WC2 | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 49 | Perfect Aire Most Efficient | 1PATWV14002 | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 50 | DuraSTAR Most Efficient | DRTAC142XVB1 | Through-the-wall | 14,000 | 755.4 kWh/season | $138 |
| 51 | Friedrich | WCVT12B10A | Through-the-wall | 13,500 | 767 kWh/season | $140 |
| 52 | Friedrich | CCV15A10A | Window | 15,000 | 781.3 kWh/season | $143 |
| 53 | Whirlpool | WHAW-151IN | Window | 15,000 | 781.3 kWh/season | $143 |
| 54 | TCL | H15W4KW | Window | 15,000 | 781.3 kWh/season | $143 |
| 55 | TCL | H15W4KW-CA | Window | 15,000 | 781.3 kWh/season | $143 |
| 56 | TCL | T15WQ2S | Window | 15,000 | 781.3 kWh/season | $143 |
| 57 | Wallmaster Most Efficient | WHVT14B33B | Through-the-wall | 14,300 | 837.9 kWh/season | $153 |
| 58 | Friedrich | KCVS16B30A | Window | 16,200 | 843.8 kWh/season | $154 |
| 59 | Friedrich | WHVT14B33A | Through-the-wall | 15,200 | 950 kWh/season | $174 |
| 60 | Friedrich | WCVT16B30A | Through-the-wall | 16,800 | 1000 kWh/season | $183 |