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DuroMax DS14000iX

Ranked #17 of 23 in Best Home Standby & Large Portable Generators: Champion, Westinghouse, DuroMax & FIRMAN (2026). Here is every spec we scored, where it came from, and how it compares.

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D

#17

DuroMax DS14000iX

Best for: 11,000 W open-frame inverter with 23.3 h at quarter load

3.6/10

What we like

Top runtime at 50% load (gasoline) in this comparison (12.5 h)

Watch out for

Noise not published by DuroMax

Score breakdown

Running watts (best listed fuel) 35%

Noise * 15%

Runs on natural gas 15%

Runtime at 50% load (gasoline) 10%

Transfer switch / transfer-switch ready 10%

CO shutoff 10%

CARB compliant * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Running watts (best listed fuel)	11000 W
Noise	Not listed
Runs on natural gas	No
Runtime at 50% load (gasoline)	12.5 h
Transfer switch / transfer-switch ready	Yes
CO shutoff	Yes
CARB compliant	Not listed
Starting (peak) watts, gasoline	14,000 W
Running watts on propane	10,500 W
Fuel tank	10.6 gal
Outlets	(1) L14-30R, (1) 14-50R
CO shutoff	CO Alert shutdown
CARB	Not published by the maker
Price	Check price

Check price at Amazon

Specs source:

DuroMax: DS14000iX

How it compares

Open the full comparison table

Champion 26 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201614)

#1 · Largest output here: 26 kW on propane

Champion 22 kW Whole House Home Standby Generator and 200A Switch with aXis Technology (201221)

#2 · 22 kW whole-house kit with a 200A switch (aXis)

Champion 22 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201016)

#3 · 22 kW whole-house kit with a 200A switch (fleX)

Champion 18 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201566)

#4 · 18 kW whole-house kit at 67 dB(A)

Champion 14 kW Whole House Home Standby Generator and 200A Switch with aXis Technology (100839)

#5 · 14 kW whole-house kit at 62 dB(A)

Champion 12.5 kW Select Circuit Home Standby Generator and 100A Switch 10 Year Warran (100179)

#6 · 12.5 kW select-circuit kit at 63 dB(A)

Champion 10 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201597)

#7 · 10 kW whole-house kit at 61 dB(A)

Champion 13,500W Electric Start Tri Fuel Generator (201241)

#8 · 13,500 W tri fuel with CO Shield

Champion 8.5 kW Select Circuit Home Standby Generator and 50A Switch (100177)

#9 · Quietest here: 8.5 kW select-circuit kit at 59.5 dB(A)

FIRMAN WT12579

#10 · 10,000 W tri-fuel inverter at 69 dB

DuroMax XP13000HXT

#11 · Tri fuel 10,500 W with CO alert

Westinghouse WGen20000c

#12 · Most portable output here: 20,000 W with CO sensor

Champion 10,000W Electric Start Tri Fuel Generator (201438)

#13 · 10,000 W tri fuel with 14-50R

FIRMAN T09376

#14 · 9,200 W tri fuel with 11 h at half load

DuroMax XP15000HX

#15 · 12,000 W dual fuel with CO alert

Westinghouse WGen14500DFc

#16 · 14,500 W dual fuel with CO sensor

Champion 11,000W Electric Start Dual Fuel Inverter (201417)

#18 · 9,000 W dual-fuel inverter at 64 dB(A)

DuroMax XP13000EH

#19 · 10,500 W dual fuel with CO alert

Champion 11,000W Wireless Start Dual Fuel Generator (201544)

#20 · 11,000 W dual fuel with wireless start

Westinghouse iGen12000DFc

#21 · 9,000 W dual-fuel inverter, 19 h at quarter load

DuroMax XP11000iH

#22 · 9,000 W dual-fuel inverter

Westinghouse ecoGen10000

#23 · 7,600 W inverter with 14-50R and L14-30R