Window Energy Ratings Canada

Different climate zones have different energy ratings.

Window energy ratings canada.

But choosing highly efficient models can help. Some products sold in canada may also be tested using the standards of the national fenestration rating council in the united states. Each year the average american household spends 1 500 2 500 on energy bills. The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program.

Rating for energy performance. Replacing all of your windows with energy star certified models can save you an average of 45 on your energy bill while a new energy star certified door is 25 more energy efficient than a standard door. These vertical slider windows represent the leading edge in energy efficient products this year. It encompasses u factor air leakage and shgc giving consumers a more convenient way to compare products.

In canada for a window to earn an energy start label its minimum energy rating in zone 1 should be 25 29 in zone and 34 in zone 3. 45 of that cost is for heating and cooling. The window s insulating value is indicated by the r value which is the inverse of the u value. The lower the u value the greater a window s resistance to heat flow and the better its insulating value.

Replacing windows or buying those that are energy efficient can be quite frustrating. The standards for energy ratings vary according to climate zone. The national fenestration rating council nfrc operates a voluntary program that tests certifies and labels windows doors and skylights based on their energy performance ratings. The lower the number the better an insulator the window or door is.

The nfrc label provides a reliable way to determine a window s energy properties and to compare products. Choosing high performance windows doors and skylights can save you money and keep your home comfortable. Energy star most efficient 2020 fixed or picture windows. In canada the energy performance of windows doors and skylights is tested using the canadian standards association csa a440 2 standard.

U factor ratings for windows generally fall between 0 20 and 1 20. To earn the energy star label in canada a window must have a minimum energy rating of 25 in zone 1 29 in zone 2 and 34 in zone 3.