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10 Best Window Replacement Companies in Castle Rock, CO

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Whether you're tackling home renovation projects or are simply in need of a change, upgrading your windows is a great plan. Your windows play a crucial role in energy efficiency and home value. According to the Department of Energy, heat or cool air lost through old or damaged windows could account for 25–30% of the heating and cooling usage in your home. By installing energy-efficient windows, you could save an extra $443 on your electric bills annually in Castle Rock. Our list of the top window installers in Castle Rock will help you find the best installer for you.

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.
Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Best Customer Service
4.3/5
  • Great customer service
  • Transparent pricing
  • Award winning company
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty

Top 10 Best Window Replacement Companies in Castle Rock

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen Window Replacement

Renewal by Andersen Window Replacement Logo

Our Rating

User Rating

1401 W Bayaud Ave #7, Denver, CO 80223 (720) 263-7039 renewalbyandersendenver.com

Educational website

Good customer service

Free assessment

Hassle-free window replacement

Also offers door installation and replacement

Price transparency

Comprehensive 20-year warranty

Services Offered

Glass doors
Energy-efficient options
Double-hung
Bay windows
Window replacement/installation
Vinyl frames
Custom window designs

Champion Replacement Windows of Colorado Springs

Champion Replacement Windows of Colorado Springs Logo

Our Rating

User Rating

4610 N Chestnut St, Colorado Springs, CO 80907 (719) 344-2661 championwindow.com

Free assessment

Price transparency

Good customer service

Services Offered

Double-hung
Bay windows
Glass doors
Window replacement/installation

Champion Replacement Windows of Denver

Champion Replacement Windows of Denver Logo

Our Rating

User Rating

10035 E 40th Ave Suite 400, Denver, CO 80238 (303) 800-2129 championwindow.com

Good customer service

Price transparency

Free assessment

Services Offered

Double-hung
Window replacement/installation
Glass doors
Bay windows

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

7304 S Joliet St #100, Centennial, CO 80112 (303) 357-2484 powerhrg.com

Timely service

Free assessment

Price transparency

Good customer service

Services Offered

Window replacement/installation
Energy-efficient options

DaBella

DaBella Logo

Our Rating

User Rating

3225 Austin Bluffs Pkwy suite 200, Colorado Springs, CO 80917 (709) 700-6972 dabella.us

Timely service

Wide range of styles

Customized to your home

Good customer service

Triple-pane vinyl windows

Services Offered

Window replacement/installation
Double-hung
Vinyl frames
Glass doors

The Glass Guru

The Glass Guru Logo

Our Rating

User Rating

204 Mt View Ln #8, Colorado Springs, CO 80907 (719) 257-7122 theglassguru.com

Good customer service

Educational website

Free assessment

Services Offered

Custom glass
Energy-efficient options
Storm/impact windows
Glass showers
Triple pane glass
Window replacement/installation
Vinyl frames
Metal frames
Skylights
Window repair
Mirrors
Screen repair
Fiberglass frames
Tempered glass
Glass repair
Glass doors
Wood frames

United Windows Pro - Windows and glass repair

United Windows Pro - Windows and glass repair Logo

Our Rating

User Rating

4515 S Nepal Ct, Aurora, CO 80015 (720) 400-2929 unitedwindowspro.com

Good customer service

Financing options available

Educational website

Free assessment

Price transparency

Fast emergency response

Commercial and residential

Timely service

Services Offered

Window replacement/installation
Triple pane glass
Tempered glass
Energy-efficient options
Glass repair
Window repair
Glass doors
Wood frames

Judd's Glass & Mirror of Colorado Springs

Judd's Glass & Mirror of Colorado Springs Logo

Our Rating

User Rating

258 W Rockrimmon Blvd, Colorado Springs, CO 80919 (719) 687-3895 juddsglasscoloradosprings.com

Local business

Free assessment

Offers free leftover glass

Price transparency

Flexible financing

Educational website

Good customer service

Services Offered

Window replacement/installation
Glass doors
Glass repair
Tempered glass
Window repair
Mirrors
Energy-efficient options
Glass showers

Lifetime Windows & Siding

Lifetime Windows & Siding Logo

Our Rating

User Rating

9525 E 40th Ave Unit 160A, Denver, CO 80238 (303) 536-8809 lifetimewindows.com

Free consultation

Good customer service

Durable and efficient upgrades

Free assessment

Educational website

Infinity by marvin windows

Price transparency

Services Offered

Energy-efficient options
Fiberglass frames
Glass showers
Glass doors
Window replacement/installation
Double-hung
Custom window designs

Dreamstyle Remodeling

Dreamstyle Remodeling Logo

Our Rating

User Rating

637 Osage St, Denver, CO 80204 (303) 676-8172 dreamstyleremodeling.com

Good customer service

Low-emissivity glass coatings

Educational website

Comprehensive warranty

Uv-blocking options

Free assessment

Price transparency

Services Offered

Double-hung
Custom window designs
Glass showers
Bay windows
Glass doors
Window replacement/installation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Castle Rock?

The amount you'll spend on window installation or replacement varies based on a number of factors, including the number and size of the windows, how difficult your windows are to access or install, and the materials you choose. On average, homeowners in Castle Rock will spend around $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Installing new energy-efficient windows can significantly enhance your home's value, appearance, insulation, noise reduction, and comfort. Some clear signs it's time for new windows include the following:

  • Condensation issues, fogging between window panes, or rotting window frames letting in moisture.
  • High energy bills and a chilly house due to poor insulation.
  • Inefficient and outdated window styles that detract from your house's curb appeal.
  • Windows that are hard to open, close, or lock properly due to age and wear.
  • Cold air and drafts coming in from old, loose-fitting windows.

How To Choose a Window Company

For a successful window replacement, you need to hire an installer with proven expertise. Below, we go over the most important qualifications for selecting a window installer.

Experience

Look for well-established local installers with lots of experience. Installers that have been installing windows locally for many years are more likely to know the local climate and how to best meet your needs. Ask for references from recent customers to verify that a provider delivers quality work.

Certifications

Choose companies that have certifications from top window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Certification means they've been properly trained in installation best practices. Make sure installers are staff rather than subcontractors, and confirm that any technicians working on your home are certified.

Reputation

Spend time reading through online reviews, checking the Better Business Bureau (BBB), and asking for local references. Review customer feedback to confirm that a company consistently does quality work and provides good service. Avoid companies with complaints of shoddy or unfinished work.

Process

A reputable window installer will be able to provide a comprehensive project plan, reasonable timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide vague quotes or schedules. Ask for consistent contact throughout to avoid surprises further into the project.

Warranties

Research window firms that provide guarantees on their work, and that offer warranties on products and labor. This shows confidence in their work. Also look for unlimited lifetime warranties that can transfer to new homeowners.

Materials

Ensure your provider works with durable, energy-efficient window brands that fit your budget. Look for good energy ratings, enhanced UV protection, and design flexibility. Confirm the window materials come with their own manufacturer warranties as well.

Frequently Asked Questions About Window in Castle Rock, CO

The ideal time to install windows in Castle Rock is when temperatures are moderate, generally in the spring or fall. This allows installers to do their work with less worry about the weather.

The best type of replacement window for your Castle Rock home will vary based on the age of your home, as well as your personal style and budget. You'll want to consider the style of your home — such as if it's more modern — so your new windows match. Wood windows can give a classic look and feel, while vinyl windows are more popular in newer homes. Fiberglass windows are also a popular choice, as they can be energy efficient and durable.

You can save money on your window installation by choosing a cheaper option like single-hung vinyl windows. These have lower prices compared to more expensive windows such as fiberglass, double-hung, or wood windows.

The window installation process typically involves ordering and measuring the windows, prepping the area for installation, taking out the existing window, putting in the new one, and insulating the frame. Depending on the kind of window being installed, additional steps may be required.

Yes, many window installers offer payment plans for their services. Different companies have their own financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $135,985 a year in Castle Rock, you may be able to qualify for special financing.

Window companies in Castle Rock usually offer a wide range of services, including measuring and installing new windows, repairing existing windows, swapping out window glass, and installing window treatments. They may also offer extra services such as weatherproofing or cleaning.

Getting windows installed by a professional can provide a number of benefits. Professional installers can ensure that your windows are properly fitted, sealed, and insulated, preventing air leakage and maximizing energy efficiency. Professional installers are also well-equipped with the necessary tools and techniques to do the job right, saving you time and money.

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