Window Energy Ratings Canada

Different climate zones have different energy ratings.

Window energy ratings canada.

45 of that cost is for heating and cooling. The lower the u value the greater a window s resistance to heat flow and the better its insulating value. The lower the number the better an insulator the window or door is. The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program.

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 national fenestration rating council nfrc operates a voluntary program that tests certifies and labels windows doors and skylights based on their energy performance ratings. These vertical slider windows represent the leading edge in energy efficient products this year. The standards for energy ratings vary according to climate zone.

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. Replacing windows or buying those that are energy efficient can be quite frustrating. 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. Each year the average american household spends 1 500 2 500 on energy bills.

Some products sold in canada may also be tested using the standards of the national fenestration rating council in the united states. Energy star most efficient 2020 fixed or picture windows. 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.

U factor ratings for windows generally fall between 0 20 and 1 20. Rating for energy performance. In canada s climate this means higher energy bills for you. The nfrc label provides a reliable way to determine a window s energy properties and to compare products.

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.