Generac 20,000-Watt Air Cooled Standby Generator

Item # 3574526 | Generac Part # 7038 | UPC Code 696471070385 | UNSPSC Code 26111600
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Product Overview

The new lineup of home standby generators from Generac were created to save you money on installation while offering the same reliability and peace of mind you get from all Generac home standby generators. Features that simplify the process for our installers include removable door panels, a base pad that requires minimal ground preparation and more efficient wiring techniques that save time on installation. Innovative engine design and rigorous testing are at the heart of Generac’s success in providing the most reliable generators possible. Generac’s G-force engine line up offers added peace of mind and reliability for when you need it the most. The G-force series engines are purpose built and designed to handle the rigors of extended run times in high temperatures and extreme operating conditions.

  • Evolution controller featuring a multilingual, 2-line LCD text display with color-coded, backlit buttons allows for easy monitoring and management of generator functions
  • Save money: product design features reduce cost of installation
  • True power technology provides best-in-class power quality with less than 5% total harmonic distortion for clean, smooth operation of your sensitive electronics and appliances
  • 3rd party certified to NFPA standards to be installed as close as 18 in. from the home's exterior wall, provided it is located away from doors, windows and fresh-air intakes and unless otherwise directed by local codes
  • Mobile link compatible, so you can add the mobile link remote monitoring system and check on your generator's status using your computer, tablet or smart phone even when you’re away (sold separately)
  • All-weather aluminum enclosure with its durable powder-coat finish helps make the sturdy, all-weather aluminum enclosure corrosion resistant, making it ideal for coastal, salt-air climates
  • 5-year limited warranty
  • Battery (not included): 12-Volt, group 26R 540 CCA minimum OR group 35AGM 650 CCA minimum
  • Download the product brochure claim form from this page for more details


Built-in inverter
CARB Compliant
CARB Compliant
Certifications and Listings
CARB Compliant, cUL Listed, UL Certified
Low Oil Shutdown, Overload Protection
Fuel Tank Capacity (gallons)
No Additional Items Included
Manufacturer Warranty
5-Year Limited Warranty
Number Of Outlets
0 Outlet
Number of Outlets
Power Type
Natural Gas, Propane
Product Height (in.)
Product Length (in.)
Product Weight (lb.)
Product Width (in.)
Running Wattage
Standard Color Family


5-Year Limited Warranty

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