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Serious Windows Prices

Serious windows prices start at $450 and top out at $2000. Originally based in Sunnyvale, California, in 2008 they purchased Kensington windows and incorporated them into their company. They struggled financially from 2009-2012 and were eventually bought by Alpen High Performance Products in Colorado. Some of their products get decent reviews, but with all of the changes there has been some inconsistency. For more information, check out our Serious windows reviews.

Overall Price Range: $450 to $2000 installed

300 Series

The Serious 300 Series is their entry level window. With a U-factor of 0.29, it comes with a 10 year warranty. Compare this model to Pella Encompass Series - explore additional Pella windows prices.

300 Series Pricing

500 Series

Little information is currently available in this Series.

500 Series Prices

Serious Quantum 2 (600 Series)

Sometimes called the Quantum 2 and sometimes labeled the 600 Series, this window has a lifetime warranty. The performance numbers are good, but they are priced quite high. It features Heat Mirror, a film between the panes of glass that reflects heat and increases efficiency to similar levels as a triple pane window. It also uses a pocket sill, a design that many contractors don't like because blocked weep holes can cause moisture and debris to build up. Compare this model to Andersen 400 series window.

Quantum 2 Costs

Serious 925 Series

The 925 Series is their top of the line window. We don't have more information on this product. Compare this model to Marvin Infinity Series - check on more Marvin windows prices here.

925 Series Price

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