Generac 7258 14kW Air Cooled Standby Generator Next Gen

The Generac 7258 is a Next Generation backup power solution engineered for reliability, smart monitoring, and efficiency. Designed to protect essentials or your full home, this 14 kW standby generator operates on natural gas or liquid propane. It delivers quiet, dependable performance and comes equipped with modern tech for ease of use and peace of mind.

The Next Generation Generac air-cooled standby generator is the most advanced and powerful line of air-cooled standby generators, providing unparalleled peace of mind. Electronic fuel and ignition control (EFIC) produces the industry's highest output power, better fuel economy*, and lower emissions*. The new advanced controller enhances system monitoring, while the integrated cellular connectivity delivers the highest connection quality. Advanced remote diagnostics paired with the longest service intervals provide the lowest total cost of ownership. 

*On average versus Generac Standby Generator, Guardian Series

• Standard Cellular Connectivity delivers faster connections, greater reliability, and better coverage (US &CAN)
• Electronic Fuel & Ignition Control (EFIC) improves cold starting performance, lower fuel consumption (less operating cost)*, and lower emissions*
• New Engine Design with Maintenance Free Hydraulic Lifters enables a lower preventative maintenance cost
• Oil Level Monitoring allows you to verify engine oil level remotely via the Mobile Link app
• New Controller with Advanced Remote Diagnostic using the Field Pro app provides a higher-level of peace of mind with cellular connectivity, more processing power (provides 4x more diagnostic codes versus Guardian), and provides confirmation of power transfers to the home
• New Enclosure Design includes easy to remove panels and easy access to customer connection points. The new design better matches the latest trends in home design and exterior colors, while the sloped roof reduces water, dirt, ice build up, and prevents staining.
• Fuel Pressure Sensor helps diagnose issues with the visibility to fuel pressure when the engine is running
• Every Generac Standby Generator comes with a 5-year limited warranty
• 24/7/365 Customer Support Team is ready all day, every day, from our headquarters in Wisconsin to answer any questions you might have
• Compatible with ecobee by Generac thermostats and Generac PWRcell battery systems
• Generac generators and engines are engineered and assembled in the USA
  • Using domestic and foreign parts

What’s In The Box?

• Generac 7258 14kW Next Gen Air-Cooled Standby Generator (NG/LP)

• Weather-resistant aluminum enclosure with sloped roof & rear air intake

• Built-in Cellular, WiFi, Bluetooth connectivity (MobileLink ready)

• Oil level sensor & fuel pressure sensor

• Generac Owner’s Manual & Installation Guide

• 5-Year Limited Warranty

(Battery, automatic transfer switch, and mounting pad are not included and sold separately.)

New Features

• Built-In Cellular Connectivity. Monitor and control generator status & performance in real time.
• Industry First EFIC. Electronic Fuel and Ignition Control provides improved motor starting and lower fuel costs.
• Advanced Engine Design. Improved power density and maintenance free hydraulic lifters.
• Seemless Integration with Generac PWRCell Battery Systems and ecobee Smart Thermostats.
• Power Zone 200 Controller. Advanced controller with electronic oil sensing and gas pressure monitoring + much more.
• Industry Leading Power Quality. Higher load acceptance, power sensitive devices, start a five-ton A/C unit.
• All Aluminum Cabinet Design. Sloped roof reduces water-ice-snow buildup. Superior corrosion protection.
• New Industry Leading Automatic Transfer Switch (sold separately) with integrated surge protection.
• Emergency Shutdown Button. Recessed button on outside of cabinet performs and emergency shutdown of the generator.
• SAE Weather Protective Enclosure. Sound attenuated for quiet operation. Withstands winds up to150 MPH.

*Battery Not Included. Requires a 12-volt, AGM Powersport Battery Group BTX20L 310CCA.

Specifications

• Rated Power (NG / LP): 14,000 W (14 kW)

• Voltage: 120/240 V, Single Phase

• Amps: ~58 A

• Engine: Generac G-Force 800, 817 cc, air-cooled

• Fuel Type: Natural Gas or Liquid Propane

• NG Consumption @ 50% Load: ~189 ft³/hr

• NG Consumption @ 100% Load: ~243 ft³/hr

• LP Consumption @ 50% Load: ~1.76 gal/hr

• LP Consumption @ 100% Load: ~2.92 gal/hr

• Sound Level: ~65 dB(A) @ 23 ft

• Dimensions (L × W × H): 46.4" × 26.3" × 30.7"

• Weight: ~391 lbs

• Warranty: 5-Year Limited

Warranty

Generac 5-Year Limited Warranty

Owner's Manual