Cost for replacement windows — Denver, CO

Last updated: September 24, 2026

What affects the price

Replacing windows is a custom project, so the final total depends on a few specific variables. The size and style of the frames you choose—like double-hung versus casement—will change the materials cost. We also look at the glass packages, such as double or triple-pane options, and any energy-efficient coatings that help with insulation. The number of windows being replaced and the current condition of your home’s exterior framing play a role in the labor needed. Exact pricing confirmed free on the call.

About this service

Calculating the cost involves looking at the number of windows, the style of operation—like double-hung or sliding—and the added features like argon gas fills. Upgrading to higher-performing materials increases the upfront cost but can offer better insulation for your home. We provide a transparent breakdown so you know exactly what you are paying for.

Frequently asked in Denver

Also serving nearby: Aurora · Thornton · Centennial · Westminster · Lakewood

All cities in Colorado →

More on this: ENERGY STAR windows — efficiency ratings.

Service area details

Serving all of Denver — population 716,577; about 4,681 residents per square mile across 153.1 sq mi. ZIP codes covered include 80201, 80202, 80203, 80204, 80205, 80206, 80207, 80208.

Neighborhoods served in Denver: LoDo (Lower Downtown), Capitol Hill, Cherry Creek, Highlands, Washington Park, RiNo (River North Art District) — and every surrounding area.