Appliance · Hvac

How many watts does a gas furnace blower use — and what can run it?

A 60,000 BTU gas furnace's ECM blower (Goodman GR9S80): 257 W at the default heating tap. Which power stations and generators can keep the heat on.

Running draw257 W source
Starting draw1,600 W source
Average per hour of usenot published
Typical use8 h/day

Circulator blower only: Goodman's sheet does not publish the draft-inducer motor or igniter wattage. Blower watts change with speed tap and duct static pressure (Goodman's table for this model runs from 81 W to 405 W across taps). The furnace runs on 115 VAC, 60 Hz.

The representative furnace is a Goodman GR9S800603B*, a 60,000 BTU, 80 % gas furnace with an ECM circulator blower. Goodman's spec sheet tabulates blower watts by speed tap and duct static pressure; at the default heating tap, F02, and 0.5 in. w.c., it lists 1,161 CFM at 257 W. That is the blower only — the sheet does not publish the draft-inducer motor or the hot-surface igniter, so the furnace as a whole draws more than this page shows.

What changes the draw

An ECM blower's draw depends on the speed tap the installer chose and on the resistance of the ductwork; for this model Goodman's table runs from 81 W to 405 W across taps. A clogged filter or restrictive ducts change the static pressure and with it the watts. The thermostat starts and stops the whole furnace, so the blower does not run every hour; the page assumes 8 hours a day, about 2,056 Wh.

Why the starting draw matters

Goodman publishes no starting figure. The 1,600 W used here is the top of the 800–1,600 W "furnace fan (1/2 HP)" row on the Champion chart — a generic row, not specific to ECM blowers. It is what makes the Bluetti AC70 (1,500 W peak) fail. The rule is on the methodology page.

Reading the tables

Runtime assumes the blower runs without a break at 257 W. Example: the EcoFlow DELTA 3 record has no maker factor, so the default 0.85 applies: 1,024 Wh × 0.85 ÷ 257 W = 3.4 hours.

Power stations that can run it

Pass = continuous output ≥ 257 W and peak output ≥ 1600 W. Runtime = capacity × maker's factor ÷ 257 W, nothing else plugged in. Method.

ModelFitsRuntime at 257 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 C300Unclear — no peak figure—288 Wh$429.99
Anker SOLIX C300 DCNo—288 Wh$349.99
Jackery Explorer 300Unclear — no peak figure—292 Wh$289
Goal Zero Yeti 500No—499 Wh$499.95
Bluetti AC70No—768 Wh$359
Anker SOLIX C1000 Gen 2Yes3.4 h1,024 Wh$499.99
EcoFlow DELTA 3Yes3.4 h1,024 Wh$699
EcoFlow DELTA 3 ClassicYes3.4 h1,024 Wh$599
EcoFlow DELTA 3 PlusYes3.4 h1,024 Wh$799
Anker SOLIX C1000XUnclear — no peak figure—1,056 Wh$469.99
Jackery Explorer 1000 v2Yes3.5 h1,070 Wh$559
Bluetti AC180Unclear — no peak figure—1,152 Wh$499
Jackery Explorer 1000 PlusYes4.2 h1,264 Wh$699
Goal Zero Yeti 1500Yes5 h1,505 Wh$1,499.95
Goal Zero Yeti 1500XYes5 h1,516 Wh$1,124.89
EcoFlow DELTA Max (2000)Unclear — no peak figure—2,016 Wh—
Jackery Explorer 2000 v2Yes6.8 h2,042 Wh$999
Jackery Explorer 2000 PlusYes6.8 h2,043 Wh—
Anker SOLIX C2000 Gen 2Yes6.8 h2,048 Wh$899.99
Bluetti AC200LYes6.8 h2,048 Wh$899
EcoFlow DELTA 2 MaxYes6.8 h2,048 Wh$1,299
EcoFlow DELTA 3 MaxYes6.8 h2,048 Wh$1,199
EcoFlow DELTA 3 Max PlusYes6.8 h2,048 Wh$1,599
Bluetti Elite 200 V2Unclear — no peak figure—2,074 Wh$899
Jackery HomePower 3000Yes10 h3,072 Wh$1,499
Anker SOLIX F3800 PlusUnclear — no peak figure—3,840 Wh$2,599.99
EcoFlow DELTA Pro 3Yes14 h4,096 Wh$3,299

Generators that can run it

ModelFitsLoadPublished run timeCO sensorList price
Champion 100396 3400W Electric Start Dual Fuel InverterYes8 % (gasoline)7.5 h @ 25 %No—
Champion 201241 13,500W Electric Start Tri Fuel GeneratorYes2 % (gasoline)8 h @ 50 %Yes—
Champion 201319 4500W Electric Start Dual Fuel InverterYes7 % (gasoline)14 h @ 25 %Yes—
DuroMax XP13000EHYes2 % (gasoline)17 h @ 25 % · 8 h @ 50 %Yes$1,299
DuroMax XP9500iHYes3 % (gasoline)21 h @ 25 % · 11 h @ 50 %Yes$1,999
Generac GP8000E (with COsense, model 7715)Yes3 % (gasoline)10 h @ 50 %Yes—
Generac iQ3500 (with COsense)Yes9 % (gasoline)14.1 h @ 25 % · 8.9 h @ 50 %Yes—
Honda EU2200iYes14 % (gasoline)8.1 h @ 25 % · 3.2 h @ 100 %Yes$1,199
Honda EU3200iYes10 % (gasoline)8.6 h @ 25 % · 3.3 h @ 100 %Yes$2,799
Honda EU7000iSYes5 % (gasoline)16 h @ 25 % · 6.4 h @ 100 %Yes$4,899
WEN DF680iXYes5 % (gasoline)6.1 h @ 50 %Yes$803.40
WEN GN400iYes7 % (gasoline)7 h @ 50 %No$479.99
Westinghouse WGen7500DFcYes3 % (gasoline)11 h @ 25 %Yes$1,299
Westinghouse WGen9500DFYes3 % (gasoline)12 h @ 25 % · 8 h @ 50 %No$1,249
Westinghouse WGen9500DFcYes3 % (gasoline)12 h @ 25 % · 8 h @ 50 %Yes$1,399
Westinghouse WGen9500DFc EFIYes3 % (gasoline)15 h @ 25 % · 10 h @ 50 %Yes$1,549

Frequently asked questions

How many watts does a gas furnace use?
The circulator blower of a Goodman GR9S800603B* draws 257 W at its default heating tap (F02) and 0.5 in. w.c. static pressure, per Goodman's spec sheet. The sheet does not give the draft-inducer motor or igniter wattage, so the whole furnace draws more.
Can a small power station run a furnace blower?
On running output, a 300 W station covers 257 W. The starting check is the problem: this page uses a generic 1,600 W start from the Champion chart, which stations with a 1,500 W peak or less fail. Stations with no published peak, such as the Jackery Explorer 300, pass on running output alone.
How long can a power station run a gas furnace blower?
Nonstop at 257 W, the 1,024 Wh EcoFlow DELTA 3 at the default 0.85 factor lasts 1,024 × 0.85 ÷ 257 = 3.4 hours. The furnace cycles with the thermostat, so in practice it lasts longer — minus whatever the inducer and igniter use.

Sources

  1. Goodman — GR9S80/GD9S80 specification sheet (SS-GR9S80_GD9S80-R32), GR9S80 Fan & Cooling Airflow Data and Heating Airflow Data (accessed 2026-10-31)
  2. Champion Power Equipment — Generator Wattage Chart (generator maker's chart, not the appliance maker) (accessed 2026-10-31)

Page updated 2026-10-31.