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No more pesky critters! seal your window ac for a bug-free summer

Rob is a seasoned home improvement writer with over 15 years of experience researching and recommending products for the home. Prior to starting Nurturing Homeaid, he wrote extensively for This Old House magazine and has been featured as a home expert on several TV and radio programs. An avid DIY-er,...

What To Know

  • Summer is a time for relaxation and enjoying the outdoors, but it can also be a time when pesky bugs invade our homes.
  • Apply a bead of silicone caulk around the outside of the window air conditioner, where it meets the window frame.
  • If you want to create a more permanent seal, you can apply expanding foam around the outside of the window air conditioner.

Summer is a time for relaxation and enjoying the outdoors, but it can also be a time when pesky bugs invade our homes. One of the most common entry points for bugs is through window air conditioners. If you’re tired of dealing with unwanted insects, it’s time to seal your window air conditioner from bugs.

Why Seal Your Window Air Conditioner from Bugs?

There are several reasons why you should seal your window air conditioner from bugs:

  • Reduce the risk of insect-borne diseases: Insects can carry diseases that are harmful to humans, such as Zika virus, malaria, and dengue fever. Sealing your window air conditioner can help prevent these diseases from entering your home.
  • Improve air quality: Insects can also carry allergens that can trigger asthma and other respiratory problems. Sealing your window air conditioner can help improve air quality and reduce the risk of these health problems.
  • Protect your belongings: Insects can damage clothing, furniture, and other belongings. Sealing your window air conditioner can help protect your belongings from these pests.
  • Save money: Sealing your window air conditioner from bugs can help you save money on energy bills. Insects can let in warm air, which can force your air conditioner to work harder and use more energy.

Materials You’ll Need

To seal your window air conditioner from bugs, you will need the following materials:

  • Caulk gun
  • Silicone caulk
  • Weatherstripping
  • Foam sealant
  • Expanding foam (optional)
  • Utility knife
  • Measuring tape
  • Pencil

Step-by-Step Instructions

Follow these step-by-step instructions to seal your window air conditioner from bugs:

1. Clean the Area

Before you start sealing, clean the area around the window air conditioner with a damp cloth. This will remove any dirt or debris that could interfere with the seal.

2. Apply Caulk

Apply a bead of silicone caulk around the outside of the window air conditioner, where it meets the window frame. Use a caulk gun to apply the caulk evenly and smoothly.

3. Install Weatherstripping

Install weatherstripping around the inside of the window frame, where the window air conditioner will be installed. The weatherstripping should be self-adhesive, so simply peel off the backing and press it into place.

4. Insert Window Air Conditioner

Insert the window air conditioner into the window frame. Make sure that the caulk and weatherstripping are in place and that the air conditioner is securely fitted.

5. Seal the Gaps

Use foam sealant to fill any gaps between the window air conditioner and the window frame. Apply the foam sealant evenly and smoothly, and allow it to dry completely.

6. Apply Expanding Foam (Optional)

If you want to create a more permanent seal, you can apply expanding foam around the outside of the window air conditioner. Expanding foam will fill any gaps and create a strong barrier against bugs.

7. Trim Excess

Once the foam sealant or expanding foam has dried, use a utility knife to trim any excess. This will give your seal a clean and finished look.

Additional Tips

Here are a few additional tips to help you seal your window air conditioner from bugs:

  • Inspect your window air conditioner regularly for any gaps or cracks. Seal any gaps or cracks as soon as possible to prevent bugs from entering your home.
  • Keep your window air conditioner clean. Dirt and debris can attract bugs, so it’s important to keep your air conditioner clean.
  • Use a bug spray around the outside of your window air conditioner. This will help to deter bugs from entering your home.

Bug-Proofing Your Home

Sealing your window air conditioner from bugs is just one way to bug-proof your home. Here are a few other tips:

  • Screen your windows and doors: This is the most effective way to prevent bugs from entering your home. Make sure that your screens are in good condition and that there are no holes or tears.
  • Seal cracks and gaps: Bugs can enter your home through even the smallest cracks and gaps. Seal any cracks or gaps around windows, doors, pipes, and other openings.
  • Use caulk and weatherstripping: Caulk and weatherstripping can help to seal gaps and cracks around windows and doors.
  • Keep your home clean: A clean home is less attractive to bugs. Vacuum and mop regularly, and keep your kitchen and bathroom clean.
  • Use a bug spray: Bug spray can help to deter bugs from entering your home. Spray bug spray around the outside of your home, and in areas where bugs are likely to congregate.

Takeaways: Keep the Bugs Away

By following these tips, you can seal your window air conditioner from bugs and keep your home bug-free. Enjoy a pest-free summer!

What You Need to Learn

1. What is the best way to seal a window air conditioner from bugs?

The best way to seal a window air conditioner from bugs is to use a combination of caulk, weatherstripping, and foam sealant.

2. How often should I seal my window air conditioner from bugs?

You should seal your window air conditioner from bugs every year, before the start of the summer season.

3. What are some other ways to bug-proof my home?

In addition to sealing your window air conditioner from bugs, you can also screen your windows and doors, seal cracks and gaps, and use caulk and weatherstripping.

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Rob Sanders

Rob is a seasoned home improvement writer with over 15 years of experience researching and recommending products for the home. Prior to starting Nurturing Homeaid, he wrote extensively for This Old House magazine and has been featured as a home expert on several TV and radio programs. An avid DIY-er, Rob takes pride in testing out the latest tools and gadgets to see how they can make home projects easier. When it comes to heating systems, he's evaluated over 50 different furnace and boiler models over the years. Rob founded Nurturing Homeaid with his business partner Jim in 2020 to provide homeowners with genuine product recommendations they can trust. In his free time, Rob enjoys remodeling old homes with his family and traveling to visit architectural landmarks across the country. He holds a bachelor's degree in Journalism from Syracuse University.
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