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Revealed: The Do’S And Don’Ts Of Storing Window Acs In Winter

Mark Evans is the owner and operator of Nesting Nicely home paint blog. With over 15 years of experience in the painting industry, he is passionate about helping homeowners find the right paint colors and solutions for their living spaces. Mark got his start in the family painting business and...

What To Know

  • If water remains in the unit and freezes, it can cause damage to the compressor, coils, and other components.
  • Ultimately, the decision of whether or not to leave a window air conditioner outside in winter depends on the specific unit and the climate in your area.
  • By carefully considering the factors discussed in this guide, you can make an informed decision that ensures the longevity and safety of your window AC.

As the chilly embrace of winter descends upon us, many homeowners grapple with the question of whether their window air conditioners can withstand the harsh outdoor elements. Can these appliances be left outside, exposed to freezing temperatures, snow, and ice, or do they require special care? This comprehensive guide delves into the intricacies of this dilemma, providing you with the knowledge you need to make an informed decision.

Can Window ACs Survive Winter Conditions?

The short answer is: it depends. While some window air conditioners are designed to tolerate winter conditions, others may not be equipped to handle the extreme cold and moisture. It’s crucial to consult your manufacturer’s guidelines to determine the specific capabilities of your unit.

Factors to Consider for Winter Storage

If your window AC is not winter-rated, it’s essential to remove it from the window and store it properly. Here are some factors to keep in mind during storage:

  • Clean the Unit Thoroughly: Before storing, thoroughly clean the unit to remove any dirt or debris that could attract pests or cause damage.
  • Drain the Water: Drain all water from the unit to prevent freezing and damage.
  • Cover the Unit: Cover the unit with a protective tarp or cover to shield it from dust and moisture.
  • Store in a Dry Location: Store the unit in a dry, well-ventilated area, such as a basement or garage.

Winterizing Window ACs for Outdoor Storage

If your window AC is winter-rated, you may be able to leave it outside during the winter months. However, it’s still important to take certain precautions to ensure its longevity:

  • Cover the Outdoor Unit: Cover the outdoor unit with a weatherproof cover to protect it from rain, snow, and ice.
  • Clean the Drain Line: Ensure that the drain line is clear to prevent clogs and water buildup.
  • Insulate the Unit: Consider wrapping the unit with insulating material, such as foam or fiberglass, to provide additional protection from the cold.
  • Monitor Regularly: Periodically check the unit for any signs of damage or ice buildup.

Potential Risks of Leaving Window ACs Outside in Winter

Even with proper winterization, there are some potential risks associated with leaving window ACs outside during the winter:

  • Freezing Damage: If water remains in the unit and freezes, it can cause damage to the compressor, coils, and other components.
  • Electrical Hazards: Ice and snow buildup can create electrical hazards if the unit is not properly insulated.
  • Reduced Efficiency: Leaving the unit outside can expose it to dirt, debris, and moisture, which can reduce its efficiency.

Benefits of Removing Window ACs in Winter

While it may be tempting to leave window ACs outside for convenience, removing them offers several benefits:

  • Protects the Unit: Removing the unit ensures its protection from the harsh winter elements.
  • Improves Home Security: Removing the unit eliminates an easy entry point for intruders.
  • Reduces Energy Costs: Removing the unit can help reduce energy costs by eliminating standby power consumption.

The Bottom Line: Making an Informed Decision

Ultimately, the decision of whether or not to leave a window air conditioner outside in winter depends on the specific unit and the climate in your area. By carefully considering the factors discussed in this guide, you can make an informed decision that ensures the longevity and safety of your window AC.

Frequently Asked Questions

1. Can all window ACs be left outside in winter?
No, not all window ACs are designed to withstand winter conditions. Check your manufacturer’s guidelines for specific recommendations.

2. What are the signs of freezing damage to a window AC?
Signs of freezing damage include cracks in the casing, leaks, and reduced cooling efficiency.

3. Is it safe to cover a window AC with plastic in winter?
No, covering a window AC with plastic can trap moisture and cause damage to the unit. Use a weatherproof cover instead.

4. Can window ACs be damaged by snow and ice?
Yes, heavy snow and ice buildup can damage the outdoor unit and block the drain line.

5. How often should I check my window AC in winter?
If you leave your window AC outside in winter, check it periodically for any signs of damage or ice buildup.

Mark Evans

Mark Evans is the owner and operator of Nesting Nicely home paint blog. With over 15 years of experience in the painting industry, he is passionate about helping homeowners find the right paint colors and solutions for their living spaces. Mark got his start in the family painting business and has since grown Nesting Nicely to be a top resource for home painting projects both large and small. When he isn't blogging, you can find Mark working with clients one-on-one to help transform their homes with the perfect coat of paint. He lives in small town America with his wife Sarah and their two children.
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