Explore Alpen Windows prices from this Colorado-based window manufacturer. Alpen High Performance Products manufactures highly energy efficient windows and doors for commercial and residential purposes. The company has gone through a few ownership hiccups, but has been pretty solid since 2012.
The company makes two lines of windows, the Zenith and Tyrol Series. The Zenith series is a fiberglass window that is available in 5 different model options, all of which get impressive performance data. The Tyrol Series is a vinyl window that comes in 3 different model options, as well as an optional PH+ foam upgrade.
In general, Allen HPP manufacturers windows that are going to be on the high end of the price range, but also very well made and incredibly energy efficient.
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Consumers can expect Alpen HPP windows to run $70 - $90 per square foot for the window itself. Comparable windows include the Marvin Infinity and the Inline fiberglass windows.
-- Window Itself: $70 to $90 per square foot --
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The Alpen Zenith Series is divided up into 5 different product lines, including the ZR-5 of 525, ZR-6 or 626, ZR-7 or 725, ZR-9 0r 925, and the ZR-10 or 1025 series. For instance, the "contractor" horizontal slider model of the Zenith 525 has a DP70, U-0.17, and VT of .43 and air infiltration of .07. Those are really really solid numbers for a builder grade product. In fact, many window manufacturers would like those numbers for their premium models.
The Tyrol series is divided up into the T6, T7, and T9 models. There is an optional upgrade to any of these called the PH+, which is a high end foam insulation on the main frame. The T6 tilt/turn model, for instance, delivers a .18 U-factor, .35 SHGC, .48 VT and a .03 AI. Impressive.
The windows and doors come with a limited lifetime warranty for the original owner. It only applies to subsequent owners for a period of 10 years. The warranty does not include any provisions for the cost of reinstallation should a problem arise.
All in all, not the best warranty out there. Seems a bit skimpy to me, especially for fiberglass and vinyl windows that seem to be well made.
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