Window Energy Ratings Canada

The lower the u value the greater a window s resistance to heat flow and the better its insulating value.

Window energy ratings canada.

The nfrc label provides a reliable way to determine a window s energy properties and to compare products. 45 of that cost is for heating and cooling. These vertical slider windows represent the leading edge in energy efficient products this year. The window s insulating value is indicated by the r value which is the inverse of the u value.

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. U factor ratings for windows generally fall between 0 20 and 1 20. Each year the average american household spends 1 500 2 500 on energy bills. 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.

In canada the energy performance of windows doors and skylights is tested using the canadian standards association csa a440 2 standard. The standards for energy ratings vary according to climate zone. The other three are somewhat less important to energy performance according to energy star but can help you judge how well a window or door will perform in a particular application for example whether it ll let in enough light. Replacing windows or buying those that are energy efficient can be quite frustrating.

Choosing high performance windows doors and skylights can save you money and keep your home comfortable. 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. It encompasses u factor air leakage and shgc giving consumers a more convenient way to compare products. The lower the number the better an insulator the window or door is.

Energy star most efficient 2020 fixed or picture windows. Different climate zones have different energy ratings. In canada s climate this means higher energy bills for you. 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.

Rating for energy performance. But choosing highly efficient models can help.