Average cost to install replacement windows

Looking for average cost to install replacement windows in Washington, DC? Call ReplacementWindows Services for a contact a provider — no obligation. Licensed window pros serve Washington and the surrounding area, and you'll get straight answers on timing and what affects the price.

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

The investment for window installation includes the cost of the unit and the labor for a weather-tight fit. If your current windows are no longer energy-efficient or are causing structural damage, replacement is necessary. Exact pricing confirmed free on the call.

Frequently asked in Washington

What is the average cost of replacement windows in Washington D.C.?

What are the best replacement windows for D.C.'s climate?

For Washington D.C.'s climate, look for windows with excellent energy efficiency ratings, especially for managing humidity and temperature extremes. Double or triple-pane windows with Low-E coatings are highly recommended to help maintain a consistent indoor temperature and reduce energy costs. The pros can guide you on the best selections.

What is the most affordable way to replace windows in D.C.?

Is it worth replacing 30-year-old windows in Washington D.C.?

Yes, it's generally worth replacing 30-year-old windows in Washington D.C. Older windows are often poor insulators, leading to drafts and higher energy bills. New windows can significantly improve your home's comfort, reduce energy consumption, and enhance its overall appearance and value. The pros can assess your current windows.

How much does it usually cost to replace a window in D.C.?

Who are Andersen windows' biggest competitors in D.C.?

In the D.C. area, Andersen windows often competes with brands such as Pella, Marvin, and Sunrise, each offering a range of styles and price points. The specialists who visit your home can provide insights into different manufacturers to help you find the ideal windows for your needs.

Also serving nearby: Alexandria · Baltimore · Richmond · Reading · Philadelphia

All cities in District of Columbia →

More on this: ENERGY STAR windows — efficiency ratings.

Service area details

678,972residents

11,107per sq mile

8ZIP codes served

Serving all of Washington — population 678,972; about 11,107 residents per square mile across 61.1 sq mi. ZIP codes covered include 20001, 20002, 20003, 20004, 20005, 20006, 20007, 20008.

Neighborhoods served in Washington: Georgetown, Capitol Hill, Dupont Circle, Logan Circle, Columbia Heights — and every surrounding area.