5.0 from 425+ reviews

Window Installation in Houston, TX

If you live in the Houston area and are thinking about installing new windows in your home, contact The Window Source of Houston. All of our window installation specialists have extensive experience and factory training. We only install the best windows from the best manufacturers, and we use our purchasing power to pass on significant savings to our customers. If you are putting an addition on your home and need new construction windows, we can help you find the perfect windows.

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On windows and doors for your home

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Two-story brick home with new windows and a white garage door

Upgrade The Look and Functionality of Your Home

There are numerous compelling reasons to replace your windows. Windows can improve your home’s curb appeal and increase its value to prospective buyers. New Energy Star-certified windows will also improve the energy efficiency of your home. This will make your home more comfortable, and the noise reduction of modern windows will make your home quieter. You can install windows that improve the security and safety of your home, and new windows include features like between-the-glass shades and blinds, which make them easier to clean and help reduce dust and allergens in the home.

Large new picture windows and a French door in a remodeled living room

Choose the Right Windows for Your Home

Natural light and energy efficiency are popular selling points for homes, and the right windows can provide a significant return on investment. When building or remodeling, select the window types that best meet your lighting, function, and budget needs. We install replacement windows such as single-hung, double-hung, bay, bow, picture, casement, slider, awning, and garden windows. We frequently work with vinyl and composite window materials, as well as popular brands manufactured in the United States.

Three new windows above a bed of plants on a brick home

Vinyl Windows

Vinyl is the most popular material choice for replacement windows because it is inexpensive relative to wood and requires practically no maintenance.

Wood-look casement windows with grids in a room with green walls

Composite Windows

Composite windows provide an aesthetically pleasing, energy-saving, and low-maintenance choice that significantly elevates the overall value of a home.

White two-story home with black windows and a front porch

Window Installation Can Improve Energy Efficiency

One of the best home improvements you can make is to install energy-efficient replacement windows. The right windows will make your home more comfortable and less expensive to heat and cool. We advise our clients to choose windows with a U-factor that meets the mark required for a product to be Energy Star certified. A window’s U-factor is the rate at which it transmits non-solar heat energy. The lower the U-factor, the greater the window’s energy efficiency.

Back of a one-story house with new windows and a French door

Is it Time to Install New Windows?

Homeowners frequently struggle with determining when to replace existing windows. Our recommendation is to replace them once they reach the age of 25. It’s better to plan ahead of time to replace them rather than after an issue arises, which will almost certainly cost you more in the long run. Consider that replacement windows provide one of the highest returns on investment for home improvement projects, with returns reaching up to 80%. Keep an eye out for signs that your windows are deteriorating or becoming difficult to open or close.

Corner of a house with vinyl siding and two new replacement windows

How we install your new windows

Each old window comes out with its frame, and the new one is built to the measurements of your opening. Before it goes in, we seal the opening with our Leak Shield system. That means a flashing membrane over the rough opening, butyl tape at every seam and flange, low-expansion foam in the gap between frame and wall, and a final exterior seal.

Leak Shield comes with every installation at no extra cost, and we back every installation we perform with our lifetime Leak Shield Guarantee.

We will never leave the job without ensuring you have the highest quality windows installed properly and your home is left spotless. We take pride in our work and respect your space, aiming to leave behind one of the cleanest job sites you’ve ever seen.

How your project works

We do not consider the job finished until every window and door is installed properly in your home.

  1. 01

    Free consultation

    A window and door expert visits your home, measures, and walks you through styles, glass options and pricing.

  2. 02

    We place your order

    Once you choose your products, we order them custom built to the measurements of your openings.

  3. 03

    Installation day

    We schedule a date that works for you. The crew protects your floors and furniture and cleans up before leaving.

  4. 04

    Lifetime warranty

    Your windows are backed by a lifetime limited warranty that also covers the next owner of your home.

What Houston homeowners say

5.0
425+ Google reviews
“My husband and I are obsessed with our new windows from The Window Source!! They were delivered in a very short time frame and only took a day to install. Great install crew, very clean, efficient, and paid attention to detail when sealing everything off.”
KL
Kennedy LovelaceSeptember 2026
“I got several quotes, and Jairo was the only one who brought samples and took the time to give us a demonstration. The office stayed in communication with me every step of the way… Edwin’s installation team worked quickly and professionally.”
LN
Lesley NobleAugust 2026
“Replacing my parents’ original builder-grade windows in their 25+ year old home was one of the best investments they’ve made… They’ve already noticed lower electric bills, less outside noise, and a cooler, more comfortable home that’s much easier to keep at a consistent temperature.”
MR
Megan RosenquistAugust 2026

Choose The Window Source of Houston for Reliable Window Installation

As a reputable and well-known name in replacement windows in Texas, you can rely on The Window Source of Houston to provide the craftsmanship, energy-efficient windows, and curb appeal your home deserves. Call (281) 547-6900 today or contact us online to schedule an in-home consultation or to ask any questions about our services, the windows we offer, or any other products we carry.

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