Window Energy Ratings Canada

U factor ratings for windows generally fall between 0 20 and 1 20.

Window energy ratings canada.

Energy star most efficient 2020 fixed or picture windows. It encompasses u factor air leakage and shgc giving consumers a more convenient way to compare products. Different climate zones have different energy ratings. Replacing windows or buying those that are energy efficient can be quite frustrating.

In canada s climate this means higher energy bills for you. 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 nfrc label provides a reliable way to determine a window s energy properties and to compare products. 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 window s insulating value is indicated by the r value which is the inverse of the u value. 45 of that cost is for heating and cooling. 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.

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. 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. 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.

Choosing high performance windows doors and skylights can save you money and keep your home comfortable. 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. But choosing highly efficient models can help. These vertical slider windows represent the leading edge in energy efficient products this year.

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. The standards for energy ratings vary according to climate zone.