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One of the quickest and easiest ways to reduce heat loss through windows is to seal air leaks by using caulking and weatherstripping. This low-cost, do-it-yourself project can have a positive impact on your heating bills and home comfort.
Finding air leaks is simple. On a cold or windy day, take a thin piece of tissue or plastic and hold it near your window frames. If the tissue or plastic flutters, you’ve found an air leak. You can also detect a draft by using the smoke of a lit incense stick as an indicator. The next step is to seal the leak with caulking or weatherstripping.
It’s difficult to go wrong with caulking and weatherstripping as a first step in upgrading your windows. However, while these measures can reduce air leakage and drafts, they do not improve the overall thermal resistance of the window. To accomplish this, you need additional layers of glazing.
The principal benefit of multiple glazing is that air, which is a good insulator, is trapped and sealed between the layers of glass. In Canada, windows should be at least double-glazed (two layers of glass). In many regions, the additional benefits of adding a third layer of glazing to existing windows (increased comfort due to reduced heat loss and higher interior glass temperatures, as well as reduced condensation and noise) may be worth the expense.
If your windows are in good condition, extra glazing can be added quickly and easily with the installation of storm windows – either exterior or interior. A number of options are available. Keep in mind that when installing storm window systems, safety should be your foremost concern. Always make sure you have appropriate emergency exit routes before sealing off windows.
If your inspection has revealed serious problems with a window’s glazing, sash or with the entire unit, your best option may be to replace all or part of the window.
For example, if the glazing itself is only a single pane of glass or is in poor condition, consider installing a new, multi-layered insulated glazing unit. Make sure the sash is deep enough to accommodate such a unit.
If the sash has deteriorated but the frame is still in good condition, you should be able to buy a replacement sash or window. These products should be installed by professionals.
If the entire window, including the frame, is in poor condition, it maybe time to replace the unit. This offers the opportunity to install a high-performance window that could include such features as double or triple glazing, inert gas fills between the glazings, low-conductivity spacers and a low-emissivity (low-E) coating that allows light to pass through a window but reflects the home’s heat back into the house.
Our home-energy experts will talk to you in terms you can understand
Our Energy Wise Solutions certified experts will show you how to improve the comfort of your home and how to cut heating and cooling costs. ecoEnergy Retrofit Initiatives are here so Canadians can make the most of their home renovations. It is not only a smart idea to have expert advice before you start an energy renovation, achieving your ideal outcome depends on it!
Savings, comfort, expert advice It's a WINNING COMBINATION!
Expert Advice - Learn more about window grants available in your area!
Our energy advisors are the best in the business. We use the latest Federal Government computer programs and implement the house as a system technology—it’s a winning combination!
Savings
As you make improvements to your home; you are cutting energy costs while reducing greenhouse gas emissions that contribute to climate change. This saves you money and makes good sense for all Canadians. Contact us today to learn about window rebates, and for more information on energy savings available in your area.
Comfort
Advisors will show you where your home is losing energy, how to improve the comfort of your home and cut heating and cooling costs while ensuring adequate ventilation for a healthy indoor environment for your family.