Alside Mezzo Series

Double-Hung Windows / Vinyl Windows

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CR Expert Take

How did it perform in our expert lab testing?

Overall Score

The Overall Score for this model is derived from our expert lab test results.

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Current Range of Tested Double-Hung Windows

What goes into the Overall Score?

Wind resistance 0 degrees (F)

/ 5

Wind resistance 70 degrees (F)

/ 5

Rain resistance

/ 5

About

The Alside Mezzo Series is part of the Replacement Windows test program at Consumer Reports. In our lab tests, Double-Hung Windows models like the Mezzo Series are rated on multiple criteria, such as those listed below.

Wind resistance 0 degrees: Wind resistance measures each window's ability to prevent drafts with 25 and 50 mph winds and an outdoor temperatures of 0ºF.

Wind resistance 70 degrees: Wind resistance measures each window"s ability to keep out drafts with 25 and 50 mph winds an an outdoor temperatures of 70º F.

Rain resistance: Rain resistance measures their ability to keep water out from heavy, wind-driven rain.