Though the units are certainly tested to withstand icy conditions, excessive snow and ice can be damaging to the coils over time. One thing to keep in mind is that any type of plastic or airflow-restrictive covering will actually promote rusting and internal moisture damage, and therefore should never be used.

Are you supposed to cover your air conditioner in the winter?

Outdoor cooling units are built to endure these harsh winter weather conditions, which eliminates the need for a cover. Moisture (water) can freeze the air conditioner’s condenser coils, which can cause damage over time. However, there is no way to keep moisture out 100% of the time.

How do I protect my air conditioner for the winter?





Put plywood over the top of the unit only to shield from snow and ice, weighing it down with bricks or rocks to keep in place. Install a wood awning or shelter attached to the building that covers the top of the unit. Plant shrubs around the unit to protect from wind and blowing snow.

How do I protect my outside AC unit?

The U.S. Department of Energy recommends covering your outdoor unit with a tarp or other protective material. This can prevent winter weather from having an unwanted impact on your outdoor equipment and can protect your HVAC system.

Should I cover my air conditioner in the winter in Canada?

Your condenser is designed to be outside in the elements with sufficient air flow. That being said, covering the unit with a properly fitted cover will provide some added longevity and prevent snow from sitting inside the unit during the winter months.

Are air conditioner covers a good idea?

Mold risk: Your air conditioner is made to be open to the air. Covering your air conditioner will block proper air flow which can lead to mold growth on your evaporator coils. The mold can block proper airflow through your coils and decrease your air conditioner’s efficiency.

Should I cover my AC unit in the summer?





If you’re considering covering your outside AC unit in the summer, whether to protect it from bad weather or to possibly save energy, the reality is that you should never cover your AC unit – not even during bad weather. For one thing, outdoor AC units are specifically designed to live outdoors.

Why you shouldn’t cover your air conditioner?

AC covers don’t have proper ventilation which allows moisture to become trapped within the AC unit. As that moisture builds up, it also increases the risk of your unit becoming susceptible to rust and corrosion.

When should I cover my AC unit?

fall months

Your unit is made to withstand the snow and a cover is not needed for protection. It is recommended to only cover your AC during the fall months.