This category is for people who want their power to come back on automatically, without having to run outside to start a machine in the dark or in the rain. If you are a homeowner, small business owner, or anyone who hates dealing with manual pull-starts during an outage, automatic generators are made for you.

Here we focus on automatic generators that start by themselves when the power fails and shut down when the grid returns. Most of these systems include an automatic transfer switch that detects an outage and safely switches your home or business to generator power. You’ll find automatic generators for whole-house backup, partial backup (only key circuits), and compact systems for small offices or shops.

On this page, you’ll discover detailed reviews, simple buying guides, and clear comparisons between different automatic generator setups. We explain in plain language how automatic generators work, what they can run, how loud they are, and what you should know about fuel, installation, and maintenance costs. You’ll also find answers to common questions like “What size automatic generator do I need?” and “Can it power my AC and fridge together?” Our goal is to help you choose the right automatic backup system with confidence.

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