DuroMax XP5500HX 5,500-Watt Dual Fuel Generator with CO Alert vs Generac Guardian 7225 14kW Home Standby Generator with 200A Transfer Switch
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
DuroMax XP5500HX 5,500-Watt Dual Fuel Generator with CO Alert
Mid-size 120V or 240V backup through an L14-30R inlet
A dual fuel generator rated 4,500 running watts on gasoline and 4,275 on propane, with two GFCI 5-20R outlets, an L14-30R, USB ports, a Power Boost selector, electric start and a CO ALERT shutdown. It weighs 128 to 131 pounds. DuroMax lists it as not CARB certified, and there is no TT-30R.
Published specifications
- Maker: 5,500 peak / 4,500 run W gas; 5,225 / 4,275 W propane
- Outlets: 2x 5-20R GFCI, L14-30R, USB-A, USB-C
- 19 h gas at 25%; 8 h propane at 50% on a 20 lb tank
- Power Boost: 120V-only mode doubles 120V amperage
- Electric and recoil start; 128 to 131 lb; CO ALERT
- 5-year parts warranty residential; 1 year heavy or commercial
Strengths
- Power Boost selector for heavy 120V loads from the L14-30R
- Five-year residential parts warranty and a CO ALERT shutdown
- Separate gasoline and propane ratings and runtimes
Caveats
- No TT-30R, so a camper plug needs an adapter
- Maker spec table says not CARB certified or 50-state compliant
- Engine size and remote start differ between page and manual
Read the full DuroMax XP5500HX 5,500-Watt Dual Fuel Generator with CO Alert guide
Generac Guardian 7225 14kW Home Standby Generator with 200A Transfer Switch
Whole-home backup with air conditioner load management on a pro install
Generac's Guardian 7225 pairs a 14 kW air-cooled standby generator, rated 14 kW on both natural gas and propane, with a 200-amp service-rated smart switch that can manage up to four air conditioners. The battery is not included, service comes every two years or 200 hours, and warranty labor covers years one and two.
Published specifications
- Spec sheet: 14 kW LP and NG; 58.3 A at 240V; 60 A breaker
- Spec sheet: 200 A service-rated smart switch; manages up to 4 AC loads
- Manual: 816cc G-Force 800; about 2.2 qt oil; 385 lb without battery
- Spec sheet: 65 dB(A) at 23 ft normal load; 55 dB(A) Quiet-Test
- Manual: battery not included (26R 540 CCA or 35 AGM 650 CCA)
- Warranty: 5 yr/2,000 h; labor yrs 1-2, parts yr 3, major parts yrs 4-5
Strengths
- Full 14 kW rating on natural gas as well as propane
- 200 A switch manages up to four AC loads without extra hardware
- Two-year or 200-hour service interval after break-in
Caveats
- Battery not included; professional installation and gas line needed
- Labor covered only in warranty years one and two
- Smart Switch bundle certified for USA use only
Read the full Generac Guardian 7225 14kW Home Standby Generator with 200A Transfer Switch guide
How to choose between them
Choose the DuroMax XP5500HX 5,500-Watt Dual Fuel Generator with CO Alert if your situation matches: Mid-size 120V or 240V backup through an L14-30R inlet. Its main caveat: No TT-30R, so a camper plug needs an adapter.
Choose the Generac Guardian 7225 14kW Home Standby Generator with 200A Transfer Switch if your situation matches: Whole-home backup with air conditioner load management on a pro install. Its main caveat: Battery not included; professional installation and gas line needed.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- DuroMax product page and specifications for the XP5500HX Source for DuroMax XP5500HX 5,500-Watt Dual Fuel Generator with CO Alert
- DuroMax XP5500HX user manual Source for DuroMax XP5500HX 5,500-Watt Dual Fuel Generator with CO Alert
- DuroMax warranty document linked from the XP5500HX page Source for DuroMax XP5500HX 5,500-Watt Dual Fuel Generator with CO Alert
- Generac product page, 14kW Guardian Series home generator with transfer switch, model 7225 Source for Generac Guardian 7225 14kW Home Standby Generator with 200A Transfer Switch
- Generac Guardian 10/14/18 kW spec sheet (A0000973374) Source for Generac Guardian 7225 14kW Home Standby Generator with 200A Transfer Switch
- Generac owner's manual, 60 Hz air-cooled generators 10-26 kW (A0001846499) Source for Generac Guardian 7225 14kW Home Standby Generator with 200A Transfer Switch
- Generac 5-year limited warranty for residential standby generators (10000039087) Source for Generac Guardian 7225 14kW Home Standby Generator with 200A Transfer Switch
Primary sources checked .