HOME BACKUP POWER. COMFORT. SECURITY. CONVENIENCE.

A home backup generator delivers power directly to your home's electrical system, backing up your entire home during a power outage. A permanently installed Generac home backup generator protects your home automatically. It runs on natural gas or liquid propane (LP) fuel, sits outside like a central air conditioning unit, and comes standard with Mobile Link™, allowing you to monitor your generator's status on a phone, tablet, or computer from anywhere in the world.

• Ensure your home is never without power.

• No refueling necessary. Backup generators run on existing natural gas or LP fuel supply.

• True Power™ Technology delivers best-in-class power quality.

• Generators engineered and built in the U.S.A.

Product Gallery

Home Standby Generator

A home standby generator is a backup generator that automatically operates when a utility outage occurs. Within seconds of losing power in the home, the standby generator switches on and transfers the electoral load to the generator. Having a home standby generator means your home will not lose power, even during the worst storms. Once the power is back up and running, the generator will transfer the electrical load back to the home’s utility and automatically return to standby mode, waiting for the next outage.

Home Standby Generators are available in air-cooled and liquid-cooled models.

Air-Cooled Home Standby Generator

Air-cooled generators circulate air inside the unit to bring its temperature down as it provides power to the home. The engine takes fresh air from the atmosphere. It blows it internally across different parts of the generator, ensuring the unit will not overheat. Air cooling is commonly used for generators up to 22 kilowatts of power. One limitation of air cooling is the potential to overheat during periods of extended use. Regular maintenance is required to ensure the unit continues functioning at optimum capacity.

Liquid-Cooled Home Standby Generator

Liquid-cooled generators use oil or coolant to keep the temperature of the internal parts down, which is facilitated through a radiator or water pump internally pushing the coolant liquid through the unit, transferring the heat from the engine back and into the coolant, like an automobile. Heat is stored in the radiator and cooled by the air outside the generator unit. Liquid-cooled generators are typically more expensive than air-cooled to install and maintain but provide a more durable and robust backup power source.

Features & Benefits

Premium Products

True Power™ Technology delivers best-in-class power quality.

Peace of Mind

Protects your home automatically.

Professional Installation

We only use certified and insured local contractors.

Industry Leading Warranties

Backed by a manufacturer warranty.

Satisfaction Guarantee

BJ's stands behind
every project.

Green sided house on corner of street

Buy Now ... Pay Next Year

12 Months No Interest, No Payments*


*Subject to credit approval. Interest is billed during the promotional period but all interest is waived if the purchase amount is paid before the expiration of the promotional period. There is no minimum monthly payment required during the promotional period. Financing for GreenSky® consumer loan programs is provided by federally insured, equal opportunity lender banks. NMLS #1416362

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