Generac 7258 14kW Generator

Generac 7258 14kW Generator Features:

Generac 7258 14kW Home Standby Generator

The Generac 7258 14kW Air-Cooled Home Standby Generator provides dependable whole-home protection when unexpected outages hit. Designed for automatic operation, it restores power within seconds and delivers clean, stable electricity ideal for both essential appliances and sensitive electronics. With its compact, streamlined enclosure and metro-gray finish, this generator blends smoothly into residential settings while offering the strength to keep your home fully functional.

Driven by Generac’s G-Force 800 Series engine, the 14kW model is built for long-term durability and high-performance running. Hydraulic lifters, full-pressure lubrication, and cast-iron cylinder walls all work together to minimize maintenance and maximize engine life. Advanced voltage regulation ensures less than 5% THD, supporting today’s electronics, HVAC systems, and smart-home devices with clean, utility-grade power. Natural gas and propane compatibility also make installation flexible and fuel management simple.

The Generac 7258 includes the Power Zone™ 200 controller and built-in Mobile Link® connectivity, letting you monitor generator status from anywhere using your smartphone or computer. Smart features—like automatic weekly exercise, LED status indicators, and optimized warm-up/cool-down cycles—ensure reliable performance with minimal owner involvement. Backed by a 5-year limited warranty and Generac’s nationwide support network, this unit delivers proven protection and peace of mind.

Key Features

• 14kW standby power capacity (NG or LP operation)

• Generac G-Force 800 Series engine with hydraulic lifters for low-maintenance durability

• Less than 5% Total Harmonic Distortion for clean, sensitive-electronics-safe power

• Mobile Link® cellular monitoring standard (Wi-Fi™ and Bluetooth™ included)

• Smart Exercise Technology with weekly/bi-weekly/monthly programmable exercise

• Power Zone™ 200 Controller with weather-resistant raised buttons and LED indicators

• Sound-attenuated aluminum enclosure rated for 150 mph wind load

• Quiet operation: 65 dB at 23 ft during normal load; 55 dB in Quiet-Test mode

• Electronic governor ensures constant 60 Hz output frequency

• Automatic voltage regulation to ±1%

• Main line 60-amp circuit breaker protection

• Compatible with Generac’s service-rated automatic transfer switches

• 5-year limited manufacturer warranty on generator and included transfer switch

7258 Specifications Sheet
7258 Owner's Manual
7258 Warranty