U factor solar heat gain coefficient shgc and visible light transmittance vlt are certified by the national fenestration rating council nfrc.
Pella proline windows u value.
Packed with purposeful innovation we designed windows to work for your home.
Efficient windows and doors from pella can reduce your utility bill and add comfort to your home.
With features and options like hurricaneshield glass and reinforced frames these windows can stand up to severe storms.
Actual results may vary.
Explore pella lifestyle series windows.
Offering the beauty durability and style flexibility of wood with the most desired features and options these windows complement nearly any home s design.
Nfrc ratings are determined for a fixed set of environmental conditions and a specific product size.
Our most popular features and options for vinyl windows allow you to create a window that will meet all the unique demands of your home.
Explore pella 350 series windows to find a low maintenance energy efficient window to complement your home.
3 reduction in sound based on oitc ratings of pella lifestyle series windows with respective performance package compared to a single pane wood or vinyl window with an oitc of 19.
Explore our windows patio doors and entry doors to find the perfect choice for your home.
Manufacturer stipulates that these ratings conform to applicable nfrc procedures for determining whole product performance.
The u value of windows depends on 1 quality of frame 2 number of panes of glass 3 argon gas 4 low e coatings 5 air space between panes etc.
At pella we go beyond requirements to exceed expectations.
Made from vinyl that is stronger and more energy efficient than ordinary vinyl you can choose pella 250 series windows with confidence.
Explore our window options to find the windows that complement your home.
Pella s windows in wood aluminum clad wood fiberglass and vinyl have been designed for one purpose.
Pella 350 series windows are incredibly strong and durable and can withstand extreme conditions.
So in your example 1 where they show the window has a u value of 0 27 it s because the are using their lowest quality and least expensive frame and glazing.
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We ve designed our products to deliver exceptional energy efficiency for savings and home comfort year round.
What impacts energy performance.
To offer your customers more beauty performance and value than any other window.
Calculated by using the sound transmission loss values in the 80 to 4000 hz range as measured in accordance with astm e 90 09.
