Generac 7258 14kW Air-Cooled Home Standby Generator - G-Force 800 Engine
Generac 7258 14kW Air-Cooled Home Standby Generator - G-Force 800 Engine
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- SKU
- GEN-7258-G0072580
- Min purchase
- 7258 pcs
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Generac 7258 — 14kW Air-Cooled Home Standby Generator | G-Force 800 Engine
The Generac 7258 is a compact 14,000-watt air-cooled home standby generator delivering reliable whole-home backup power on both Liquid Propane and Natural Gas. Powered by the Generac G-Force 800 engine, it features Electronic Fuel Injection for superior fuel efficiency, built-in cellular connectivity with Mobile Link, remote diagnostics, and compatibility with ecobee by Generac and PWRcell systems. Rated 4.7 out of 5 stars with over 3,200 reviews, this generator combines proven reliability with next-generation smart features at an affordable price point.
Key Benefits
- 14kW Whole-Home Backup — 14,000W on both LP and NG; powers essential circuits including refrigerator, furnace, lights, and electronics
- G-Force 800 Engine — Purpose-built for extended generator operation with less routine maintenance than generic engines
- Electronic Fuel & Ignition Control — Optimizes fuel use for cost-efficient, lower-emission backup power
- Cellular Connectivity + Mobile Link — Monitor and control your generator from anywhere with the free Mobile Link app
- Remote Diagnostics — Detects issues before they become problems, reducing maintenance costs
- All-Weather Design — Sloped roof, rear air intake, and improved cold start performance for year-round reliability
- ecobee & PWRcell Compatible — Integrate with smart thermostats and solar battery systems for whole-home energy management
- Compact Footprint — Same dimensions as larger Generac units but lighter at 391 lbs; fits in tight spaces
- 5-Year Limited Warranty — Industry-leading warranty with 24/7/365 customer support
Specifications
| Specification | Detail |
|---|---|
| Model | G0072580 (7258) |
| Running Watts | 14,000W (LP and NG) |
| Engine | Generac G-Force 800 |
| Fuel Type | Liquid Propane or Natural Gas |
| Rated Power (LP) | 14 kW |
| Rated Power (NG) | 14 kW |
| LP Consumption (100% load) | 2.92 gal/hr (106 ft³/hr) |
| LP Consumption (50% load) | 1.76 gal/hr (63 ft³/hr) |
| NG Consumption (100% load) | 243 ft³/hr |
| NG Consumption (50% load) | 189 ft³/hr |
| LP Fuel Pressure | 10" water column |
| NG Fuel Pressure | 3.5" water column |
| Main Line Circuit Breaker | 60A |
| Controller | Power Zone 200 Controller |
| Enclosure | Aluminum (corrosion-resistant) |
| Oil Capacity | 2.5 qt (2.4L) |
| Battery | AGM Powersport BTX20L, 310CCA min, 12V (not included) |
| Dimensions (L × W × H) | 46.4" × 26.3" × 30.7" (117.9 × 66.8 × 78.0 cm) |
| Weight | 391 lbs (177 kg) |
| Connectivity | Built-in Cellular (Mobile Link included) |
| Customer Rating | 4.7/5 (3,225 reviews) |
| Warranty | 5-Year Limited Warranty |
Feature Highlights
- Affordable Whole-Home Protection — Offers protection for about half the cost of central air conditioning installation
- Mobile Link Remote Monitoring — Free app provides real-time status, maintenance alerts, and generator control via cellular
- Quiet-Test Self-Diagnostic Mode — Runs weekly self-test at lower RPM for quieter operation and reduced wear
- Oil Level Sensors — Continuously monitors oil level to ensure generator readiness
- Smart Home Integration — Works with ecobee by Generac thermostats and PWRcell battery systems
- Proven Reliability — Rated 4.7/5 stars by over 3,200 customers; backed by 65+ years of Generac innovation
What's in the Box
- 1x Generac 7258 Standby Generator (G0072580)
- 1x Owner's Manual
- 1x Installation Manual
- Note: Battery, transfer switch, and installation accessories sold separately
Warranty
Backed by Generac's 5-year limited warranty covering parts and labor. 24/7/365 customer support from Generac's Wisconsin headquarters.
Related Products
- Generac Automatic Transfer Switch (100A or 200A) — required for operation
- Generac 7324 — 18kW standby generator with 200A transfer switch bundle
- Generac 7282 — 28kW standby generator for large whole-home power
- Generac PWRcell — solar battery storage for energy management
| SKU | GEN-7258-G0072580 |
|---|---|
| Manufacturer | Generac |
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