Window Energy Ratings Canada

Different climate zones have different energy ratings.

Window energy ratings canada.

The standards for energy ratings vary according to climate zone. Rating for energy performance. These vertical slider windows represent the leading edge in energy efficient products this year. In canada the energy performance of windows doors and skylights is tested using the canadian standards association csa a440 2 standard.

The window s insulating value is indicated by the r value which is the inverse of the u value. To learn more about energy star criteria for windows doors and skylights in canada visit energy star canada nrcan administers and promotes energy star in canada. 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. The nfrc label provides a reliable way to determine a window s energy properties and to compare products.

Energy star most efficient 2020 fixed or picture windows. The lower the number the better an insulator the window or door is. In canada s climate this means higher energy bills for you. It encompasses u factor air leakage and shgc giving consumers a more convenient way to compare products.

But choosing highly efficient models can help. 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 windows or buying those that are energy efficient can be quite frustrating.

The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program. Choosing high performance windows doors and skylights can save you money and keep your home comfortable. 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. The lower the u value the greater a window s resistance to heat flow and the better its insulating value.

Some products sold in canada may also be tested using the standards of the national fenestration rating council in the united states. 45 of that cost is for heating and cooling.