Yes, you can run a generator in the snow, but you need to know what type of generator you have. A properly installed standby generator is designed for outdoor operation, including winter conditions, when manufacturer clearance, ventilation, maintenance, and cold-weather requirements are followed. A portable generator needs protection from snow and water, plus safe outdoor placement to keep carbon monoxide out of the house.

Never run a portable generator in a garage, shed, breezeway, or another enclosed or partly enclosed space. Carbon monoxide from the exhaust can build up or find its way into the house. Our winter weather generator tips cover what to check before an Upstate NY storm arrives.

Standby Generators in Snow

If you are asking, can you run a generator in the snow when you have a standby unit, the answer is yes. Its weather-resistant enclosure and permanent installation are designed for outdoor operation.

Snow around the unit is the part you need to watch. A standby generator pulls in air for cooling and sends hot exhaust out. If a drift blocks those openings, the generator cannot move enough air through the enclosure.

After heavy snow, clear the area around the generator, including its air intakes and exhaust outlet. Do not shovel, snow blow, or plow snow against it. Our weatherproofing your generator guide covers other ways to prepare the equipment for winter weather.

How Much Clearance Does It Need?

Follow the generator manufacturer's clearance requirements and keep snow from building against the enclosure. Pay close attention to the exhaust side and air intakes.

That can take some work during lake-effect snow. Homeowners around Buffalo, Rochester, Syracuse, and other parts of Upstate NY can clear a generator in the afternoon and find a new drift around it a few hours later.

Watch where the snowplow or snowblower puts the snow too. A packed pile next to the generator can block airflow even when the rest of the yard is clear.

Cold Weather Kits

Cold temperatures make an engine harder to start. A battery loses starting power as it gets colder, and cold oil gets thicker.

Depending on the generator model, a cold weather kit can include a battery warmer and an oil heater. The battery warmer helps the battery crank the engine in low temperatures. The oil heater keeps the oil warmer so it can circulate when the engine starts.

Our technicians can check your generator model and tell you which cold-weather equipment is designed for it.

Portable Generators: The Real Risks

You can run a portable generator in the snow, but it has to stay outdoors and protected from falling snow and moisture. Where you put it is especially important because the engine produces carbon monoxide.

Never run a portable generator in a house, garage, shed, breezeway, or other enclosed or partly enclosed area. Leaving the garage door open does not make it safe. Keep the generator away from doors, windows, vents, and other openings where exhaust can enter the house.

Do not put a tarp over a running generator. It can trap exhaust and heat around the engine. Use a shelter designed for operating a portable generator outdoors, and follow the generator and shelter manufacturers' instructions.

Snow, Water, and Electrical Safety

Snow creates another problem when it melts. Water reaching outlets, plugs, or electrical connections can create a shock hazard.

A generator canopy designed for outdoor operation can keep precipitation off a portable unit while leaving the sides open for ventilation. It does not make a garage, shed, or other unsafe location acceptable.

Rain requires the same attention to moisture and safe placement. Our article on can you run a generator in the rain explains what to watch for during wet weather.

What to Do Before the Storm

Do not wait for an outage to find out the generator has a weak battery or another problem. Before winter, check the area around a standby unit and make sure nothing is blocking it. Watch its normal exercise cycle and look for warning lights, leaks, odd noises, or vibration.

Fuel and maintenance needs vary by generator and fuel type. Follow the manufacturer's schedule, and have the equipment inspected before winter if service is due. Our technicians can check the battery, oil, filters, starting system, and other components that need to work when the temperature drops.

Standby vs. Portable for an Upstate NY Winter

A portable generator can supply backup power, but somebody has to get it outside, set it up safely, protect it from precipitation, fuel it, start it, and connect it correctly. Doing that at 2 a.m. during heavy snow is a different experience from setting it up on a clear afternoon.

Our automatic standby generators are permanently installed outside and start when utility power fails. With an available continuous fuel supply, there is no portable unit to move through the snow or manually refuel during the outage.

For winters around Buffalo, Rochester, Syracuse, and across Upstate NY, automatic operation removes much of the work that comes with using a portable generator during a storm.

Get a Free In-Home Assessment

If you are considering a standby generator, Home Power Systems offers a free in-home property assessment. We look at what you want to keep running during an outage, your electrical system, the installation location, and the available fuel setup.

Financing is available, and our maintenance program gives you a way to keep up with scheduled generator service after installation.

Schedule Online or Call (716)-314-1743

FAQs

Can a standby generator run during heavy snow?

Yes, if the unit is properly installed and its required air intake, exhaust, and clearance areas remain open. Snow drifts should not be allowed to block the enclosure.

Can I cover a portable generator with a tarp while it is running?

No. A tarp can trap exhaust and heat. Use only a shelter designed for operating a portable generator outdoors and follow both the generator and shelter manufacturers’ instructions.

How often should I clear snow around a standby generator?

Check the unit after significant snowfall and during prolonged lake-effect events. Keep the manufacturer-required clearance around air intakes and the exhaust side, and avoid piling plowed or shoveled snow against the enclosure.

Schedule Online or Call (716)-314-1743