Nest Exteriors
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Pricing

Window Replacement Instant Estimator

ProVia Endure Series — typically $925-$1,650 per window installed, depending on style. Count your own windows or upload photos and our AI will count them for you. Final pricing confirmed after a free in-home measurement.

ProVia Endure Series vinyl windows installed by Nest Exteriors
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Step 1 · Counting Guide

How to count your windows

Your ballpark is only as accurate as the count. Two quick rules cover most NoVA homes — read these first, then continue.

Picture window flanked by two double-hungs counts as three windows123

Picture window flanked by 2 double-hungs = 3 windows

Each pane gets its own count. The double-hungs are individual units even when they sit in the same wall opening as a picture window.

Two double-hung windows joined in one frame count as two windows12

Two double-hungs joined in one frame = 2 windows

A mulled pair is still two windows — count each operable sash unit separately even when they share a frame.

A few more rules of thumb:

  • Garage windows count.
  • Basement windows visible above grade count.
  • Sliding glass patio doors do NOT count as windows.
  • Bay or bow units count as one custom-quote item — those need an in-home measurement.
ProVia Endure Series vinyl windows

ProVia Endure Series

Premium vinyl, instant pricing

The Endure is ProVia's flagship vinyl line and our most-recommended window for Northern Virginia. We've priced it instantly here — Pella Lifestyle, ProVia Aspect, wood, and fiberglass options need an in-home measurement to quote.

  • SunShield Vinyl

    Heat-reflective vinyl stays cool in direct sun — won't warp, distort, or discolor.

  • ComforTech DLA-UV Glass

    1" insulated unit with dual Low-E coatings and argon fill. U-factor 0.20–0.25.

  • INNERGY Thermal Reinforcement

    Fiberglass-reinforced inserts replace metal — strength without thermal bridging.

See full Endure spec sheet
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