Appliance · Hvac

How many watts does an 8,000 BTU window air conditioner use — and what can run it?

An 8,000 BTU window AC (Frigidaire FHWW083WBE) draws 670 W cooling; no starting figure is published. Which power stations and generators can run it.

Running draw670 W source
Starting drawnone
Average per hour of usenot published
Typical use8 h/day

Starting watts not published: Frigidaire's sheet gives no locked-rotor figure and Champion's generator chart lists only 5,000 and 10,000 BTU window units. No published daily average, so the calculator uses the running draw.

The representative model is the Frigidaire FHWW083WBE, an 8,000 BTU window unit with Wi-Fi. Its specifications sheet lists 670 W and 5.9 A in cooling at 115 V; the site uses the 670 W as published.

What changes the draw

The compressor runs until the room reaches the set temperature, then cycles. Outdoor heat, sun on the unit, room size and the set point decide how much of each hour it runs. ENERGY STAR's annual figure for room air conditioners covers a cooling season, not a 24-hour day, so no hourly average is given and the tables use 670 W.

Starting draw: not published

The compressor draws a short burst above its running current every time it starts, but neither Frigidaire's sheet nor the Champion chart gives a figure for an 8,000 BTU unit. The chart's neighbouring rows are 900–1,200 W for 5,000 BTU and 1,800–2,400 W for 10,000 BTU. Because the site does not interpolate, the fit tables check only continuous output. A pass on a station whose peak sits near or below the 10,000 BTU range — the Bluetti AC70, with a 1,500 W peak, is one — says nothing about whether it can start this compressor. The rule is on the methodology page.

Reading the tables

Runtime assumes the compressor never cycles off; at 8 hours a day that is 5,360 Wh. Example: the Jackery Explorer 2000 v2 record has no maker factor, so the default 0.85 applies: 2,042 Wh × 0.85 ÷ 670 W = 2.6 hours.

Power stations that can run it

Pass = continuous output ≥ 670 W. Runtime = capacity × maker's factor ÷ 670 W, nothing else plugged in. Method.

ModelFitsRuntime at 670 WCapacityList price
MARBERO 88Wh Portable Power Station (M82)No—89 Wh$119.99
DARAN R100 (89.6Wh)No—90 Wh$149.99
Bluetti EB3ANo—269 Wh$219
EcoFlow RIVER 3 PlusNo—286 Wh$299
Anker SOLIX C300No—288 Wh$429.99
Anker SOLIX C300 DCNo—288 Wh$349.99
Jackery Explorer 300No—292 Wh$289
Goal Zero Yeti 500No—499 Wh$499.95
Bluetti AC70Yes58 min768 Wh$359
Anker SOLIX C1000 Gen 2Yes1.3 h1,024 Wh$499.99
EcoFlow DELTA 3Yes1.3 h1,024 Wh$699
EcoFlow DELTA 3 ClassicYes1.3 h1,024 Wh$599
EcoFlow DELTA 3 PlusYes1.3 h1,024 Wh$799
Anker SOLIX C1000XYes1.3 h1,056 Wh$469.99
Jackery Explorer 1000 v2Yes1.4 h1,070 Wh$559
Bluetti AC180Yes1.3 h1,152 Wh$499
Jackery Explorer 1000 PlusYes1.6 h1,264 Wh$699
Goal Zero Yeti 1500Yes1.9 h1,505 Wh$1,499.95
Goal Zero Yeti 1500XYes1.9 h1,516 Wh$1,124.89
EcoFlow DELTA Max (2000)Yes2.6 h2,016 Wh—
Jackery Explorer 2000 v2Yes2.6 h2,042 Wh$999
Jackery Explorer 2000 PlusYes2.6 h2,043 Wh—
Anker SOLIX C2000 Gen 2Yes2.6 h2,048 Wh$899.99
Bluetti AC200LYes2.6 h2,048 Wh$899
EcoFlow DELTA 2 MaxYes2.6 h2,048 Wh$1,299
EcoFlow DELTA 3 MaxYes2.6 h2,048 Wh$1,199
EcoFlow DELTA 3 Max PlusYes2.6 h2,048 Wh$1,599
Bluetti Elite 200 V2Yes2.4 h2,074 Wh$899
Jackery HomePower 3000Yes3.9 h3,072 Wh$1,499
Anker SOLIX F3800 PlusYes4.9 h3,840 Wh$2,599.99
EcoFlow DELTA Pro 3Yes5.2 h4,096 Wh$3,299

Generators that can run it

ModelFitsLoadPublished run timeCO sensorList price
Champion 100396 3400W Electric Start Dual Fuel InverterYes22 % (gasoline)7.5 h @ 25 %No—
Champion 201241 13,500W Electric Start Tri Fuel GeneratorYes5 % (gasoline)8 h @ 50 %Yes—
Champion 201319 4500W Electric Start Dual Fuel InverterYes19 % (gasoline)14 h @ 25 %Yes—
DuroMax XP13000EHYes6 % (gasoline)17 h @ 25 % · 8 h @ 50 %Yes$1,299
DuroMax XP9500iHYes9 % (gasoline)21 h @ 25 % · 11 h @ 50 %Yes$1,999
Generac GP8000E (with COsense, model 7715)Yes8 % (gasoline)10 h @ 50 %Yes—
Generac iQ3500 (with COsense)Yes22 % (gasoline)14.1 h @ 25 % · 8.9 h @ 50 %Yes—
Honda EU2200iYes37 % (gasoline)8.1 h @ 25 % · 3.2 h @ 100 %Yes$1,199
Honda EU3200iYes26 % (gasoline)8.6 h @ 25 % · 3.3 h @ 100 %Yes$2,799
Honda EU7000iSYes12 % (gasoline)16 h @ 25 % · 6.4 h @ 100 %Yes$4,899
WEN DF680iXYes13 % (gasoline)6.1 h @ 50 %Yes$803.40
WEN GN400iYes19 % (gasoline)7 h @ 50 %No$479.99
Westinghouse WGen7500DFcYes9 % (gasoline)11 h @ 25 %Yes$1,299
Westinghouse WGen9500DFYes7 % (gasoline)12 h @ 25 % · 8 h @ 50 %No$1,249
Westinghouse WGen9500DFcYes7 % (gasoline)12 h @ 25 % · 8 h @ 50 %Yes$1,399
Westinghouse WGen9500DFc EFIYes7 % (gasoline)15 h @ 25 % · 10 h @ 50 %Yes$1,549

Frequently asked questions

How many watts does an 8,000 BTU window AC use?
The Frigidaire FHWW083WBE lists 670 W and 5.9 A in cooling on its specifications sheet.
How many starting watts does an 8,000 BTU AC need?
No figure is published for this model. The Champion generator chart has rows only for 5,000 BTU (900–1,200 W starting) and 10,000 BTU (1,800–2,400 W) window units; the site does not interpolate between them, so the tables check running output only.
How long can a power station run an 8,000 BTU window AC?
With the compressor running nonstop at the default 0.85 factor: the 768 Wh Bluetti AC70 lasts 768 × 0.85 ÷ 670 = 1.0 hour; the 2,042 Wh Jackery Explorer 2000 v2 lasts 2.6 hours.

Sources

  1. Frigidaire — FHWW083WBE 8,000 BTU window room air conditioner with Wi-Fi specifications sheet (PDF hosted by AJ Madison) (accessed 2026-10-31)

Page updated 2026-10-31.