Snowstorm Generator Tips

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Keep Your Standby Generator Clear for Airflow

Prevent Overheating and Snow Ingestion

Even though we’re based in Florida, major winter storms affect many of our customers’ family and friends across the country. If you or someone you know relies on a home standby generator during snow events, one of the most overlooked issues is snow buildup around the generator cabinet.

Why clearance matters: generators need airflow to cool themselves

Standby generators are designed to pull air in through an intake side and push heated air/exhaust out through the opposite side. That airflow is essential for proper cooling while the unit runs.

When snow drifts pile up around the generator and block the vents, the unit can:

  • Restrict airflow
  • Run hotter than designed
  • Trigger overheating warnings or shutdowns
  • Experience increased wear from excessive heat

It’s not just overheating — blocked airflow can pull snow into the unit

A second risk many homeowners don’t realize: when the intake side becomes surrounded by snow, the generator can draw snow into the cabinet through the intake. Snow can pack into the air box and internal compartments. As it melts, it can introduce moisture/water where it doesn’t belong, leading to poor performance, faults, and potential damage.

Clearance requirements: follow your manufacturer’s specs

Some manufacturers may list reduced clearance in certain directions (for example, 18 inches on the back side near a wall, depending on design). However, intake and exhaust sides still require adequate clearance, and many models require around 3 feet on the sides (or whatever the manufacturer specifies).

Best practice during a snow event:

  • Keep the generator clear on all sides unless your manufacturer allows otherwise
  • Pay special attention to the intake and exhaust vents
  • Re-check during the storm because drifting can build quickly

Quick snowstorm checklist for standby generator owners:

  • Clear snow away from all sides of the generator
  • Keep intake/exhaust vents unobstructed
  • Re-check periodically during heavy snowfall and wind
  • Confirm your model’s clearance requirements in the owner’s manual or install specs

Share this with someone in the snow zone

If you’re in a warm-weather state but have family or friends up north, share this tip. It can prevent generator shutdowns and damage when they need power the most.

For more practical electrical safety tips:


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