Honda
EU2200i
1,800 W rated · 2,200 W starting
InverterGasolineCO shutoff · CO-MINDERSmall inverter
Generator database
Generators by size
45 models with the numbers that matter for sizing — running and starting watts, a 240 V outlet for a transfer switch, and automatic CO shutoff. Every figure comes from the maker’s official specs. Not sure what you need? Size your house first and the result shows the models that fit.
45 models
Generator models
Briggs & Stratton
P2400 PowerSmart
1,800 W rated · 2,400 W starting
InverterGasolineCO shutoff · CO GuardSmall inverter
Fuel not named on the spec page.
DuroMax
XP2300iH
1,800 W rated · 2,300 W starting · on gasoline
InverterDual fuelCO shutoff · CO AlertSmall inverter
Champion
2500W Dual Fuel Inverter (201323)
1,850 W rated · 2,500 W starting · on gasoline
InverterDual fuelCO shutoff · CO ShieldSmall inverter
Westinghouse
iGen2550c
1,900 W rated · 2,550 W starting
InverterGasolineCO shutoff · CO SensorSmall inverter
Generac
GP2500i
2,200 W rated · 2,500 W starting
InverterGasolineCO shutoff · COsenseSmall inverter
Honda
EU3200i
2,600 W rated · 3,200 W starting
InverterGasolineCO shutoff · CO-MINDERMid portable
Predator
3500 W Super Quiet Inverter with CO SECURE (71358)
3,000 W rated · 3,500 W starting
InverterGasolineCO shutoff · CO SECUREMid portable
Firman
W03083
3,000 W rated · 3,300 W starting
InverterGasolineMid portable
Fuel not named on the spec page (gasoline tank only).
Champion
4500W Electric Start Dual Fuel Inverter (201319)
3,500 W rated · 4,500 W starting · on gasoline
InverterDual fuelCO shutoff · CO ShieldMid portable
Champion
3500W Dual Fuel with CO Shield (201296)
3,500 W rated · 4,375 W starting · on gasoline
PortableDual fuelCO shutoff · CO ShieldMid portable
Generac
GP3600 COsense (7722)
3,600 W rated · 4,500 W starting
PortableGasolineCO shutoff · COsenseMid portable
Westinghouse
iGen5000DFc
3,900 W rated · 5,000 W starting · on gasoline
InverterDual fuelCO shutoff · CO SensorMid portable
Firman
T04073 Tri Fuel
4,000 W rated · 5,000 W starting · on gasoline
PortableTri fuel240 V · L14-30RCO shutoff · CO AlertMid portable
Natural gas: 3,200 / 4,000 W.
Predator
5000 W with CO SECURE (72613)
4,000 W rated · 5,000 W starting
PortableGasoline240 V · L14-30RCO shutoff · CO SECUREMid portable
Honda
EB5000
4,500 W rated · 5,000 W starting
PortableGasoline240 V · L14-30RCO shutoff · CO-MINDERMid portable
Honda lists maximum output (5,000 W), not starting watts.
DuroMax
XP5500HX
4,500 W rated · 5,500 W starting · on gasoline
PortableDual fuel240 V · L14-30RCO shutoff · CO sensor shutdownMid portable
Champion
5000W Electric Start Tri Fuel with CO Shield (201602)
5,000 W rated · 6,250 W starting · on gasoline
PortableTri fuel240 V · L14-30RCO shutoff · CO ShieldMid portable
Natural gas: 4,050 / 5,075 W.
Westinghouse
WGen5300DFc
5,300 W rated · 6,600 W starting · on gasoline
PortableDual fuel240 V · L14-30RCO shutoff · CO SensorLarge portable
Propane starting: page 5,900 W, manual 5,800 W — we use 5,800.
Generac
GP5500E COsense (8150)
5,500 W rated · 6,875 W starting
PortableGasoline240 V · L14-30RCO shutoff · COsenseLarge portable
Firman
P05701
5,700 W rated · 7,125 W starting
PortableGasoline240 V · L14-30RLarge portable
Generac
GP6500 COsense (7672)
6,500 W rated · 8,125 W starting
PortableGasoline240 V · L14-30RCO shutoff · COsenseLarge portable
Champion
7500W Electric Start Dual Fuel (201281)
7,500 W rated · 9,375 W starting · on gasoline
PortableDual fuel240 V · L14-30RCO shutoff · CO ShieldLarge portable
Westinghouse
WGen7500c
7,500 W rated · 9,500 W starting
PortableGasoline240 V · L14-30RCO shutoff · CO SensorLarge portable
Firman
T07573 Tri Fuel
7,500 W rated · 9,400 W starting · on gasoline
PortableTri fuel240 V · L14-30R + 14-50RCO shutoff · CO AlertLarge portable
Natural gas: 5,500 / 6,900 W.
Generac
GP8000E COsense (8929)
8,000 W rated · 10,000 W starting
PortableGasoline240 V · L14-30RCO shutoff · COsenseLarge portable
Product page lists 9,200 / 11,250 W; we use the lower spec-sheet figures.
Briggs & Stratton
8000 Watt Elite Series (030741)
8,000 W rated · 10,000 W starting
PortableGasoline240 V · 30 A lockingCO shutoff · CO GuardLarge portable
240 V outlet type (NEMA) not stated.
Honda
EB10000
9,000 W rated · 10,000 W starting
PortableGasoline240 V · L14-30 + 50 A lockingCO shutoff · CO-MINDERLarge portable
From Honda’s owner’s manual.
Champion
9200W Electric Start Dual Fuel with CO Shield (201302)
9,200 W rated · 11,500 W starting · on gasoline
PortableDual fuel240 V · L14-30R + 14-50RCO shutoff · CO ShieldLarge portable
Westinghouse
WGen9500DF
9,500 W rated · 12,500 W starting · on gasoline
PortableDual fuel240 V · L14-30R + 14-50RLarge portable
Generac
Guardian 10kW (G0072570)
10,000 W rated · ≈12,500 W starting (est.) · on LP
Home standbyNatural gas / LP100 A switch in G0073210 bundleHome standby
NG: web page says 10 kW, spec sheet says 9 kW — we use 9.
DuroMax
XP13000EH
10,500 W rated · 13,000 W starting · on gasoline
PortableDual fuel240 V · L14-30R + 14-50RCO shutoff · CO sensor shutdownLarge portable
Not CARB certified.
DuroMax
XP13000HXT Tri Fuel
10,500 W rated · 13,000 W starting · on gasoline
PortableTri fuel240 V · L14-30R + 14-50RCO shutoff · CO AlertLarge portable
Natural gas: 9,000 / 11,250 W.
Westinghouse
WGen12000
12,000 W rated · 15,000 W starting
PortableGasoline240 V · L14-30R + 14-50RLarge portable
From the official manual; product page retired.
Briggs & Stratton
PowerProtect 13kW (040746)
13,000 W rated · ≈16,250 W starting (est.) · on LP
Home standbyNatural gas / LPHome standby
Transfer switch not included.
Generac
Guardian 14kW (G0072580)
14,000 W rated · ≈17,500 W starting (est.) · on LP
Home standbyNatural gas / LP200 A ATS in G0073230 bundleHome standby
Kohler
14RCA / 14RCAL
14,000 W rated · ≈17,500 W starting (est.) · on LP
Home standbyNatural gas / LP200 A ATS with 14RCALStarts a 5-ton ACHome standby
Champion
14kW aXis Home Standby (100837)
14,000 W rated · ≈17,500 W starting (est.) · on LP
Home standbyNatural gas / LP200 A ATS includedRated for a 5-ton ACHome standby
Generac
GP15500EFI (7705)
15,500 W rated · 19,300 W starting
PortableGasoline240 V · L14-30R + 14-50RCO shutoff · COsenseLarge portable
Generac
Guardian 18kW (G0072590)
18,000 W rated · ≈22,500 W starting (est.) · on LP
Home standbyNatural gas / LP200 A ATS in G0073240 bundleHome standby
Kohler
20RCA / 20RCAL
20,000 W rated · ≈25,000 W starting (est.) · on LP
Home standbyNatural gas / LP200 A ATS with 20RCALStarts a 5-ton ACHome standby
Generac
Guardian 22kW (G0072600)
22,000 W rated · ≈27,500 W starting (est.) · on LP
Home standbyNatural gas / LP200 A ATS in G0073250 bundleHome standby
Briggs & Stratton
PowerProtect+ 22kW (040787)
22,000 W rated · ≈27,500 W starting (est.) · on LP
Home standbyNatural gas / LPStarts a 5-ton ACHome standby
Generac
Guardian 26kW (G0073270)
26,000 W rated · ≈32,500 W starting (est.) · on LP
Home standbyNatural gas / LP200 A ATS in G0073280 bundleHome standby
Briggs & Stratton
PowerProtect+ 26kW (040807)
26,000 W rated · ≈32,500 W starting (est.) · on LP
Home standbyNatural gas / LPStarts a 5-ton ACHome standby
Want your generator on this list?
Manufacturers and brands: send us the official spec sheet and we’ll add your model, so it shows up when it fits someone’s house.
Specs checked October 10, 2026. Portable ratings are on gasoline; home standby ratings are on LP. Where a maker publishes only a continuous rating, starting watts are estimated at 1.25× and marked “est.”
Listings are based on published specs only. As an Amazon Associate I earn from qualifying purchases. Sponsored placements, if any, are always labeled.