Aggressive Mechanical, Inc

Window Insulation Do’s and Don’t’s

17 Jan
Window Insulation Do's and Don't's

Windows are a big source of energy loss in the winter. Regardless of how high the quality of your windows is, they’ll allow hot indoor air to escape if they’re not insulated properly.

So how do you even know that you need additional window insulation? Some of the signs include:

  • A home that’s too chilly during the winter
  • Glass rattling in the wind
  • Feeling a draft when walking past your windows
  • Difficulty in opening or closing the windows
  • Higher energy bills
  • The breeze blows your curtains even with the windows closed

Here are some helpful tips on insulating your windows.

Window Insulation Do’s

It’s best to check your windows and insulate them before winter sets in. But because it may be difficult to identify the warning signs of poor insulation then due to temperatures indoors and outside being nearly equal, you can wait until the time comes to cycle on your heating system to do so.

Here are some of the ways you can effectively insulate your windows:

  • Attach a window film to your window frames with double-sided sticky tape.
  • Fill large accessible holes and cracks around your windows with spray foam that’s been specifically manufactured for door and window application.
  • Apply water-based caulk to cracks that aren’t bigger than a quarter-inch wide. For glass and metal surfaces, apply silicone-based caulk.
  • For added protection against drafts, add layered or insulated curtains to the windows.

Window Insulation Don’t’s

  • Don’t try to insulate inaccessible gaps with spray foam. Stripping away plaster or drywall to use spray foam only leads to more unwanted problems.
  • Don’t use standard store-bought spray foam to insulate accessible gaps. It will expand excessively and make the windows bind. That could void the warranty.
  • Don’t use window film on double-paned windows as it will make them fog. Also, avoid using it on loose or broken windows.

Adding insulation to your windows pays off in home comfort and energy savings. To learn more about window insulation and other energy and home comfort issues, contact Aggressive Mechanical Contractors, the leading HVAC and plumbing experts in Monmouth County and the surrounding area.

Our goal is to help educate our customers in Monmouth County, New Jersey and surrounding areas about energy and home comfort issues (specific to HVAC systems).  

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