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Air Sealing Services in Chicago

Trying to get the most from your HVAC system this year? Whether you have a top-of-the-line high-efficiency system or an aging space heater and a few window units, your heating and cooling solutions can only work if you’re not constantly cycling in new air from outside through a thousand air leaks. That’s why it’s important to understand air sealing: what it is and what you can do to improve it in your home.

Air Sealing Services in Chicago, IL

What Is Air Sealing?

Air sealing refers to the process of sealing your home so that conditioned air stays inside, and the air outside stays … well, outside. It may also encompass sealing off certain parts of your home, such as when you put insulation around exposed ductwork or the floor of your attic, but the principle is the same: Keep the climate-controlled air of your home away from the air elsewhere, and thus reduce your need for excessive heating, cooling or moisture management.

DIY Air Sealing Improvements

Want to do some do-it-yourself air sealing? If you have any interest in improving energy efficiency in your home, you may have already taken some of these steps.

  • Caulk around windows, door frames and other gaps between your home’s interior and cold spaces.
  • Install weatherstripping around doors and windows that open.
  • Keep your garage door closed, as well as the door between your garage and the rest of your home.
  • Close the chimney when it is not in use.
  • Consider heavy curtains or clingseal for windows to minimize leakage.

These will give you significant improvements in energy efficiency for minor cost and effort, if your home is currently poorly sealed.

Air Sealing from ThermaSeal/Lakeside

Beyond those DIY steps, air sealing becomes a matter for professionals. There are two key ways ThermaSeal/Lakeside Insulation can help seal your home to minimize the flow of air in and out, and thus control your climate with less wasted energy:

  • Insulation. Good insulation is critical to maintaining air sealing. Your roof, your walls, your floors, your crawl spaces: All of these may be solid to the eye but they’re quite permeable to heat and cold, and sometimes directly to the air. By sealing them off with high-R-value insulating materials, you’ll see the biggest potential gains in your HVAC efficiency possible.
  • Waterproofing. When insulation or another surface of your home gets wet, its R-value decreases. In addition to the direct problems of water damage, increased moisture, etc., this indirect damage to your air sealing will cost you significantly on your energy bills.

ThermaSeal/Lakeside offers a wide selection of insulation and waterproofing technologies, appropriate for a variety of different applications.

Every part of your home that interacts with the exterior can benefit from insulation and waterproofing: your attic, crawl space, chimney, HVAC ducts, exterior walls, basement walls and floors, the list goes on. A failure to insulate or waterproof in any of these areas can cause drafts and wasted energy.

To find out more about ThermaSeal/Lakeside’s air sealing services, contact us today by dialing (800) 836-2535 or by messaging us online.

Choose ThermaSeal/Lakeside to Improve Your Air Sealing

Don’t let poor sealing render your home uncomfortable or exposed to the elements. Before water damage or nonstop heating and cooling costs empty out your bank account, invest in improvements to your air sealing with the help of the ThermaSeal/Lakeside team.

You can reach us to learn more or schedule service by dialing (800) 836-2535 or reach out to us online via the form on our contact page.

Products We Install

Our team installs both batt and blown-in fiberglass insulation.


Help prevent mold and excessive moisture infiltration in homes you build with our waterproofing services.


At Thermaseal / Lakeside Insulation, we understand the role a floor plays within a building system by controlling sound and fire.

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