Generac 14kW Model 7258 Next-Gen Air-Cooled Whole House Standby Generator | Automatic Backup Power with Mobile Link Monitoring and Quiet Enclosure | 5-Year Warranty

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Protect your home from unexpected outages with the Generac 14kW 7258 standby generator, a high-performance air-cooled whole-house generator engineered for reliable, automatic power. Designed as a permanent home backup solution, this next-gen home backup generator delivers reliable electricity for modern households that depend on sensitive electronics, HVAC systems, and continuous connectivity.

Powered by Generac’s purpose-built G-Force engine platform, this residential standby generator provides stable, low-distortion power, smart monitoring, and quiet operation, making it a premium residential backup power solution for long-term energy security.

Key Benefits

Automatic Whole-Home Protection

When the grid goes down, this automatic standby generator starts within seconds and restores power through an automatic transfer switch (available in bundled models), keeping lights, refrigeration, heating/cooling, and security systems running without interruption.

True Power™ for Sensitive Electronics

Featuring True Power™ Electrical Technology with less than 5% total harmonic distortion, this high-efficiency backup generator safely powers computers, variable-speed HVAC systems, and smart appliances, making it an ideal backup solution for modern homes.

Smart Monitoring from Anywhere

With Mobile Link® cellular connectivity, Wi-Fi, and Bluetooth standard, this smart standby generator allows you to monitor system status, maintenance alerts, battery health, and run hours from your phone or PC, anytime, anywhere.

Dual-Fuel Flexibility

Operates on natural gas or propane, giving you fuel-source flexibility and dependable performance during extended outages.

Quiet, Compact, and Weather-Protected

The sound-attenuated aluminum enclosure produces approximately 65 dB at 7 meters, making it a low-noise standby generator suitable for residential neighbourhoods. Its compact footprint allows installation as close as 18 inches from a structure (code-compliant), while the enclosure withstands winds up to 150 mph.

Technical Highlights

• Rated Output: 14kW (Natural Gas or Propane)

• Voltage: 240V, single phase, 60 Hz

• Engine: Generac G-Force 800 Series, 2-cylinder, 817cc

• Voltage Regulation: ±1% with solid-state control

• Power Quality: <5% THD

• Fuel Types: Natural Gas / LP Gas

• Connectivity: Cellular + Wi-Fi + Bluetooth

• Exercise Mode: Smart Exercise Technology with programmable schedules

• Warranty: 5-year limited warranty (generator & transfer switch)

• Certification: UL 2200 listed generator; ETL-certified transfer switch in bundled systems
  

Why Choose the Generac 14kW Model 7258 Generator?

This 14kW whole-house generator is engineered for homeowners who demand:

• Reliable backup power during severe weather and grid failures

• A quiet air-cooled generator with premium enclosure design

• Advanced digital controls and remote monitoring

• Long service life with low maintenance requirements

• Seamless integration into a complete home backup power system