Generac Generators

Generac’s Guardian Series is an emergency backup silent generator powered by gas. One of the most powerful air-cooled generators on the market today. Automatically provide the backup power you need to protect your home and family during a power outage. No refuelling as it is directly connected and runs on natural gas or liquid propane (LP) fuel and parks just outside your property. Delivers power to your home’s electrical system during a power outage, backing up your entire home or just the most essential equipment until utility power returns.

Generac Generators
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Australia’s trusted generator supplier

77+ Years Experience

Australia's longest-running generator specialists. We've powered businesses and homes since 1949.

Australian Owned

100% Australian owned and operated. Your purchase supports local workers and the national economy.

Ready-to-Use Delivery

Every generator is pre-tested and set up so you can start using it the moment it arrives.

Trusted by Thousands

Join thousands of satisfied customers across Australia who rely on our generators daily.

How to find what power generator you need

The Macfarlane Generators Power Calculator helps you estimate the generator size required for your application by calculating power demand, motor starting loads, and electrical conversions such as kVA, kW, amps, and horsepower. Designed for homeowners, tradies, and industrial operators, it provides practical tools and power consumption guides to help you select the right generator with confidence. Whether you're planning backup power, construction site equipment, or large-scale operations, the calculator simplifies generator sizing and power planning.

Power Calculator Questions? Call us on 1300 622 436