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Try these simple tricks so your energy dollars do not go straight out the window
Windows let in views, sunshine and pleasant breezes, while keeping out extreme weather and pests. But did you know your home could be losing up to a quarter of its total heating and cooling through its windows?
Keep window coverings drawn on summer days to prevent solar heat gain and reduce the need for air conditioning.
Up to 13% of your home’s total heating and cooling could be escaping through your trim. Draftproof or weatherstrip around window frames to prevent air loss.
On sunny winter days, open window coverings to let warm light in. Once the sun sets, close them to retain heat.
Seal your windows with inexpensive plastic film using a hair dryer. Both indoor and outdoor sheeting are available, so be sure to read the label.
Talk to at least three qualified contractors, compare quotes and check references to find the best person for the job.
Ask your contractor about low-emissivity coating. This coating will keep the heat out in summer, while keeping the heat in during winter.
Ask your contractor about installation and warranty options, and what energy savings you can expect from the new windows.
Look for windows with this industry-backed guarantee, which protects consumers.
Learn more here.
Sliding glass doors and skylights also have energy performance ratings. By upgrading to ENERGY STAR® certified doors and skylights, you can cut down on energy loss and reduce condensation throughout your home.
Controlling the temperature of your home during on-peak times can make a big difference on your bill. In summer, on-peak hours are weekdays from 11 a.m. – 5 p.m. and in the winter, on-peak hours are weekdays 7 a.m - 11 a.m. & 5 p.m. - 7 a.m..
Use curtains, blinds and shades to help control the temperature of your home.
Do you have large windows that get a lot of direct sunlight in summer? Consider installing an adjustable awning outside. This old-fashioned idea really works to keep you house cool!
Seal in further energy savings with caulking, weatherstripping and insulation.
Higher than usual heating and cooling costs
Drafts around windows
Condensation or frost on windows
Damaged, loose or warped glazing
ENERGY STAR® certified windows reduce an average household's energy costs by about 8%, compared to a standard window. They also help reduce condensation and outdoor noise, which can help increase your home’s resale value, help you save on heating and cooling and make your home more comfortable year-round.
1 The climate zone for which it is certified
2 Certified performance ratings
3 A description of coatings, glazing and materials
4 Certification information
Canada is divided into three climate zones, with Zone 1 being the warmest and 3 the coldest. If you live in Ontario, you fall into either Zone 2 or Zone 3. Always choose ENERGY STAR® windows that are certified for your region. And remember, you can even save more on energy costs by choosing a window designed for the coldest climate zone (Zone 3).
The Canadian Standards Association and various energy utilities developed window Energy Ratings (ER) to measure overall performance. A lower number is better. To earn the ENERGY STAR® label in Canada, a window must have a minimum ER of 25 in Zone 1, 29 in Zone 2 and 34 in Zone 3.
R-Value measures the window’s ability to retain heat. A higher number is better.
U-Factor measures the window’s resistance to heat loss. A lower number is better.
Solar Heat Gain Coefficient (0-1) measures the amount of solar radiation through a window. A lower number is better.
Visible Transmittance is a percentage and measures the amount of light that passes through the window. A lower number is better.
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