#1 Window Most Efficient
Midea MWCUPWHP-09HEFN8-BCL1
9,500 BTU · 404.8 kWh/season
119 10,000 BTU Window & Wall Air Conditioners, Ranked by Running Cost
Room air conditioners (window and through-the-wall) with rated cooling capacity 9,500-11,499 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).
119 ENERGY STAR certified models, from about $74 to $117 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
Midea MAH09B1AGR
9,500 BTU · 404.8 kWh/season
#3 Window Most Efficient
Midea MAH09H1AGR
9,500 BTU · 404.8 kWh/season
#4 Window Most Efficient
Midea MAH09S1AGR
9,500 BTU · 404.8 kWh/season
#5 Window Most Efficient
Midea MAH09N1AGR
9,500 BTU · 404.8 kWh/season
All 119 models
| Rank | Brand | Model | Mount | BTU | Energy use | Est. cost/season |
|---|---|---|---|---|---|---|
| 1 | Midea Most Efficient | MWCUPWHP-09HEFN8-BCL1 | Window | 9,500 | 404.8 kWh/season | $74 |
| 2 | Midea Most Efficient | MAH09B1AGR | Window | 9,500 | 404.8 kWh/season | $74 |
| 3 | Midea Most Efficient | MAH09H1AGR | Window | 9,500 | 404.8 kWh/season | $74 |
| 4 | Midea Most Efficient | MAH09S1AGR | Window | 9,500 | 404.8 kWh/season | $74 |
| 5 | Midea Most Efficient | MAH09N1AGR | Window | 9,500 | 404.8 kWh/season | $74 |
| 6 | Midea Most Efficient | MWCUPWHP-09HEFN8-BCL1N | Window | 9,500 | 404.8 kWh/season | $74 |
| 7 | Midea Most Efficient | MAH09W1AGR | Window | 9,500 | 404.8 kWh/season | $74 |
| 8 | Midea Most Efficient | 1010451479 | Window | 10,000 | 468.8 kWh/season | $86 |
| 9 | Midea Most Efficient | MAW10U1QWT | Window | 10,000 | 468.8 kWh/season | $86 |
| 10 | Midea Most Efficient | MWAUQB-10CRFN8-BCP0 | Window | 10,000 | 468.8 kWh/season | $86 |
| 11 | Midea Most Efficient | MAW10U2QWT | Window | 10,000 | 468.8 kWh/season | $86 |
| 12 | TCL Most Efficient | W10WC72 | Window | 10,000 | 468.8 kWh/season | $86 |
| 13 | TCL Most Efficient | W10WC72-B | Window | 10,000 | 468.8 kWh/season | $86 |
| 14 | TCL Most Efficient | T10WV9S | Window | 10,000 | 468.8 kWh/season | $86 |
| 15 | TCL Most Efficient | T10WV9SB | Window | 10,000 | 468.8 kWh/season | $86 |
| 16 | TCL Most Efficient | T10WV3S | Window | 10,000 | 468.8 kWh/season | $86 |
| 17 | Midea Most Efficient | MWEUWA-10CRFN8-BCP0 | Window | 10,000 | 468.8 kWh/season | $86 |
| 18 | Midea Most Efficient | 1014264129 | Window | 10,000 | 468.8 kWh/season | $86 |
| 19 | Midea Most Efficient | MWFUQB-10CRFN8-BCP0 | Window | 10,000 | 468.8 kWh/season | $86 |
| 20 | Midea Most Efficient | MAW10V1WWT | Window | 10,000 | 468.8 kWh/season | $86 |
| 21 | Midea Most Efficient | MAW10V1WWT-T | Window | 10,000 | 468.8 kWh/season | $86 |
| 22 | GE Most Efficient | PWJV10W**# | Window | 10,000 | 468.8 kWh/season | $86 |
| 23 | Midea Most Efficient | MAW10U1KWT | Window | 10,000 | 468.8 kWh/season | $86 |
| 24 | Midea Most Efficient | MAW10U1KWT-A | Window | 10,000 | 468.8 kWh/season | $86 |
| 25 | Midea Most Efficient | MWFUWA-10CRFN8-BCP0 | Window | 10,000 | 468.8 kWh/season | $86 |
| 26 | Vissani Most Efficient | VAW10V1KWTS | Window | 10,000 | 468.8 kWh/season | $86 |
| 27 | Midea Most Efficient | MAW10RV1KWT | Window | 10,000 | 468.8 kWh/season | $86 |
| 28 | Midea Most Efficient | MAW10V1KYWT-S | Window | 10,000 | 468.8 kWh/season | $86 |
| 29 | Midea Most Efficient | MAW10U1KWT-M | Window | 10,000 | 468.8 kWh/season | $86 |
| 30 | Seasons Most Efficient | SW10VB1 | Window | 10,000 | 468.8 kWh/season | $86 |
| 31 | Frigidaire Most Efficient | FHWW105WF1 | Window | 10,000 | 468.8 kWh/season | $86 |
| 32 | Frigidaire Most Efficient | FHWW106WF1 | Window | 10,000 | 468.8 kWh/season | $86 |
| 33 | Frigidaire Most Efficient | GHWW105TF1 | Window | 10,000 | 468.8 kWh/season | $86 |
| 34 | Midea Most Efficient | MAW10S1KWT-A | Window | 10,000 | 468.8 kWh/season | $86 |
| 35 | Perfect Aire Most Efficient | 1PACV10000 | Window | 10,000 | 468.8 kWh/season | $86 |
| 36 | BLACK+DECKER Most Efficient | BDM10C | Window | 10,000 | 468.8 kWh/season | $86 |
| 37 | DuraSTAR Most Efficient | DRWAC101XVB1 | Window | 10,000 | 468.8 kWh/season | $86 |
| 38 | Whirlpool Most Efficient | WHAW101CX | Window | 10,000 | 468.8 kWh/season | $86 |
| 39 | Whirlpool Most Efficient | WHAW101INV | Window | 10,000 | 468.8 kWh/season | $86 |
| 40 | GE Most Efficient | AWHV10***# | Window | 10,000 | 468.8 kWh/season | $86 |
| 41 | GE | AHTR10ACH2 | Window | 10,100 | 482.5 kWh/season | $88 |
| 42 | Perfect Aire | 1PACU10000 | Window | 10,000 | 500 kWh/season | $92 |
| 43 | Midea | MAW10V1QWT | Window | 10,000 | 500 kWh/season | $92 |
| 44 | Midea | MW10MSWBA5RCM | Window | 10,000 | 500 kWh/season | $92 |
| 45 | Midea | MW10MSWBA6RCM | Window | 10,000 | 500 kWh/season | $92 |
| 46 | Comfort Aire | RXTS-101A | Window | 10,000 | 500 kWh/season | $92 |
| 47 | Frigidaire | GHWQ105WD1 | Window | 10,000 | 500 kWh/season | $92 |
| 48 | Frigidaire | GHWQ103WC1 | Window | 10,000 | 500 kWh/season | $92 |
| 49 | LG | LW1022FVSM | Window | 10,000 | 500 kWh/season | $92 |
| 50 | LG | LW1022IVSM | Window | 10,000 | 500 kWh/season | $92 |
| 51 | Vissani | VAWA10V4HWT | Window | 10,000 | 500 kWh/season | $92 |
| 52 | GE | PWDV10W**# | Window | 10,000 | 500 kWh/season | $92 |
| 53 | Frigidaire | FHWW105WE1 | Window | 10,000 | 500 kWh/season | $92 |
| 54 | TCL | H10W4MW | Window | 10,000 | 500 kWh/season | $92 |
| 55 | Danby | DAC100B8IWDB-6 | Window | 10,000 | 500 kWh/season | $92 |
| 56 | Richmond | RMV10A10A | Window | 10,000 | 500 kWh/season | $92 |
| 57 | Friedrich | CCV10A10A | Window | 10,000 | 500 kWh/season | $92 |
| 58 | Keystone | KSTAW10INV | Window | 10,000 | 500 kWh/season | $92 |
| 59 | BLACK+DECKER | BD10NWES | Window | 10,000 | 500 kWh/season | $92 |
| 60 | Windmill | 10W2Wi | Window | 10,000 | 500 kWh/season | $92 |
| 61 | Della | 048-TL-W10KI | Window | 10,000 | 500 kWh/season | $92 |
| 62 | Hisense | AW1023TW1W | Window | 10,000 | 500 kWh/season | $92 |
| 63 | Hykolity | ACB-2602 | Window | 10,000 | 500 kWh/season | $92 |
| 64 | Whirlpool | WHAW-101IN | Window | 10,000 | 500 kWh/season | $92 |
| 65 | Midea | MWCUWA-10CRFN8-BCN10 | Window | 10,000 | 500 kWh/season | $92 |
| 66 | Midea | MWAUQB-10CRFN8-BCN10 | Window | 10,000 | 500 kWh/season | $92 |
| 67 | Rovsun | TIWC-10CRD1 | Window | 10,000 | 500 kWh/season | $92 |
| 68 | Zokop | TIWC-10CRD1 | Window | 10,000 | 500 kWh/season | $92 |
| 69 | Century | RXTS-101A | Window | 10,000 | 500 kWh/season | $92 |
| 70 | Frigidaire | GHWW105TE1 | Window | 10,000 | 500 kWh/season | $92 |
| 71 | Midea | MAW10S1VWT-A | Window | 10,000 | 500 kWh/season | $92 |
| 72 | Midea | MAW10W1QWT | Window | 10,000 | 500 kWh/season | $92 |
| 73 | Keystone | KSTAW101WA | Window | 10,000 | 500 kWh/season | $92 |
| 74 | Keplerx | KARC10RSVE1 | Window | 10,000 | 500 kWh/season | $92 |
| 75 | Midea | MAW10S1VWWT-T | Window | 10,000 | 500 kWh/season | $92 |
| 76 | Ktaxon | TIWC-10CRD1 | Window | 10,000 | 500 kWh/season | $92 |
| 77 | Midea | MAW10RV1CWT | Window | 10,000 | 500 kWh/season | $92 |
| 78 | TCL | H10W4KW | Window | 10,000 | 500 kWh/season | $92 |
| 79 | TCL | H10W4KW-CA | Window | 10,000 | 500 kWh/season | $92 |
| 80 | Hisense | AWUS1026TW | Window | 10,000 | 500 kWh/season | $92 |
| 81 | Midea | MAW10V1UWT | Window | 10,000 | 500 kWh/season | $92 |
| 82 | Midea | MAW10RV1CCWT | Window | 10,000 | 500 kWh/season | $92 |
| 83 | TCL | T10WQ2S | Window | 10,000 | 500 kWh/season | $92 |
| 84 | Philodeco | PIWC-10CRD1(ES) | Window | 10,000 | 500 kWh/season | $92 |
| 85 | Rovsun | RVTIW-10CRD1 | Window | 10,000 | 500 kWh/season | $92 |
| 86 | Ktaxon | KXTIW-10CRD1 | Window | 10,000 | 500 kWh/season | $92 |
| 87 | Midea | 1014634875 | Window | 10,000 | 500 kWh/season | $92 |
| 88 | Hykolity | ACB-2622 | Window | 10,000 | 500 kWh/season | $92 |
| 89 | Element | EHWR10BE | Window | 10,000 | 500 kWh/season | $92 |
| 90 | GREE | GJC10BU-A6DRNJ2A | Window | 10,000 | 510.2 kWh/season | $93 |
| 91 | House Kobo | KOBOGJC10BU | Window | 10,000 | 510.2 kWh/season | $93 |
| 92 | GE | PHNT10CCH1 | Window | 10,300 | 525.5 kWh/season | $96 |
| 93 | Friedrich | WCVT10B30B | Window | 10,000 | 528.2 kWh/season | $97 |
| 94 | Kühl Most Efficient | KHVS10B11B | Window | 10,600 | 530 kWh/season | $97 |
| 95 | Midea Most Efficient | MWEUTW-10CRFN8-BCN1 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 96 | Midea Most Efficient | MWEUTW-10CRFN8-MCN1 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 97 | Seasons Most Efficient | ST10VB1 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 98 | Seasons Most Efficient | ST10VB2 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 99 | Midea Most Efficient | MAT10R1FWTK | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 100 | Midea Most Efficient | MAT10R1SWTK | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 101 | Midea Most Efficient | MAT10R2FWTK | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 102 | Midea Most Efficient | MAT10R2SWTK | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 103 | Brothers Most Efficient | 102397 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 104 | Brothers Most Efficient | 102399 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 105 | Pelonis Most Efficient | PAT10R1KWT | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 106 | Midea Most Efficient | MT10VB1 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 107 | Midea Most Efficient | MT10VB2 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 108 | Frigidaire Most Efficient | FHTC105WC2 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 109 | Frigidaire Most Efficient | FHTC105WC1 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 110 | Perfect Aire Most Efficient | 1PATWV10000 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 111 | Perfect Aire Most Efficient | 1PATWV10002 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 112 | DuraSTAR Most Efficient | DRTAC101XVB1 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 113 | DuraSTAR Most Efficient | DRTAC102XVB1 | Through-the-wall | 10,000 | 531.9 kWh/season | $97 |
| 114 | Friedrich Most Efficient | WCVT10B10B | Through-the-wall | 10,100 | 533.5 kWh/season | $98 |
| 115 | Friedrich | KHVS10B11A | Window | 10,200 | 546.4 kWh/season | $100 |
| 116 | GE Most Efficient | AWP12P***# | Window | 11,000 | 572.9 kWh/season | $105 |
| 117 | GE | AWGP12W**# | Window | 11,000 | 625 kWh/season | $114 |
| 118 | Friedrich | WCVT10B10A | Through-the-wall | 11,000 | 634.6 kWh/season | $116 |
| 119 | Friedrich | WCVT10B30A | Through-the-wall | 11,100 | 640.4 kWh/season | $117 |