Description
Generac 28kW Next Generation Standby Generator – Model G0073290
The Generac 28kW next generation air-cooled home standby generator provides automatic backup power for maximum air-cooled capacity. Rated at 28/25kW (LP/NG) on 120/240V single-phase, it starts within seconds of a utility outage and is driven by a Generac G-Force 1000 Series (997cc V-Twin) built specifically for standby use.
True Power™ electrical technology keeps total harmonic distortion (THD) typically below 5%, so sensitive electronics, networking gear, and variable-speed HVAC systems run smoothly. Integrated Mobile Link® connectivity with cellular, Wi-Fi™, and Bluetooth™ support lets you monitor status, view run history, and receive maintenance alerts from almost anywhere.
A sound-attenuated aluminum enclosure, compact footprint, and Smart Exercise options make these generators easy to install and easy to live with. They are listed for installation close to a structure when installed according to Generac guidelines and local codes.
The bundled 200A service-rated automatic transfer switch is designed for whole-home backup, with automatic utility sensing and built-in load management for large appliances and HVAC equipment.
Key Features
- 28/25kW (LP/NG) standby power rating (LP/NG) for automatic backup.
- Factory-matched 200A automatic transfer switch for whole-home or essential-load backup.
- Generac G-Force 1000 Series (997cc V-Twin) purpose-built for generator duty.
- True Power™ technology with low THD (typically <5%) for utility-grade power.
- Automatic start and transfer during outages with seamless return to utility power.
- Mobile Link® connectivity with cellular, Wi-Fi™ and Bluetooth™ for remote monitoring.
- Sound-attenuated aluminum enclosure and direct-to-dirt composite mounting pad.
- Natural gas or LP fuel flexibility for easier installation and long runtimes.
- Smart Exercise and programmable exercise modes to keep the system ready with minimal wear.
Quick Specs
| Standby power rating (LP/NG) | 28/25kW (LP/NG) |
|---|---|
| Voltage / phase | 120/240V single-phase |
| Engine | Generac G-Force 1000 Series (997cc V-Twin) |
| Engine displacement | 997cc |
| Fuel type | Natural gas or LP gas |
| Monitoring | Mobile Link® cellular, Wi-Fi™ & Bluetooth™ |
| Enclosure | Air-cooled, sound-attenuated aluminum |
| Application | Maximum air-cooled capacity |
| Transfer switch | 200A automatic transfer switch (200A service-rated automatic transfer switch) |
Ideal Use Cases
- Maximum air-cooled capacity
- Homeowners wanting a turnkey standby solution with an integrated automatic transfer switch.
- Homes with sensitive electronics, networking gear, and variable-speed HVAC systems.









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