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10 Best Window Companies in Castle Rock, CO

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Written By David Cusick

Last Updated February 2024

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 electricity bills annually in Castle Rock. Deciding on a window installer can be difficult, which is why we've compiled a guide to the top window installation companies in Castle Rock.

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Top 10 Best Window Companies in Castle Rock

Renewal by Andersen Window Replacement

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

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

Vinyl frames
Window install & replacement
Sliding glass doors
Bay windows
Energy-efficient options
Andersen
Custom window designs

Champion Replacement Windows of Denver

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

Price transparency

Good customer service

Free assessment

Services Offered

Sliding glass doors
Storm doors
Double-hung
Window repair
Bay windows
Window install & replacement

Champion Replacement Windows of Colorado Springs

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

Good customer service

Free assessment

Price transparency

Services Offered

Storm doors
Window repair
Double-hung
Window install & replacement
Bay windows
Sliding glass doors

Window World of Denver

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480 E 76th Ave Bldg 5E, Denver, CO 80229 (303) 574-9594 windowworldcolorado.com

Price transparency

Educational website

Free assessment

Timely service

Good customer service

Services Offered

Sliding glass doors
Glass doors
Energy-efficient options
Custom window designs
Bay windows
Window install & replacement
Double-hung

High West Glass

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1003 Halfmoon Dr, Castle Rock, CO 80104 (303) 704-0577 highwestglass.com

Good customer service

Educational website

Services Offered

Glass repair
Window repair
Glass showers
Window install & replacement
Mirrors

Home Design Exteriors

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12210 S Eagle Hawk Trail, Parker, CO 80134 (303) 960-7217 homedesignexteriors.com

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Educational website

Good customer service

Price transparency

Services Offered

Window install & replacement

All-Star Construction Windows & Doors

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515 Singing Hills Rd Unit 104, Parker, CO 80138 (303) 646-3018 allstarconstruction.org

Good customer service

Educational website

Free assessment

Services Offered

Window repair
Window install & replacement
Vinyl frames
Mirrors
Glass repair
Glass showers
Energy-efficient options

Douglas Enterprises Inc

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10471 Montecito Dr, Lone Tree, CO 80124 (303) 840-2715 douglasenterprizes.com

Price transparency

Services Offered

Triple pane glass
Window install & replacement

Colorado Windows and Restoration

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9609 S University Blvd #630414, Highlands Ranch, CO 80130 (303) 953-0691 coloradowr.com

Good customer service

Educational website

Free assessment

Services Offered

Window install & replacement

Colorado General Contracting LLC

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10935 Acadia Ln, Parker, CO 80138 (720) 365-1344 colorado-general-contracting.business.site

Good customer service

Free assessment

Price transparency

Services Offered

Window install & replacement
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window 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 cost of window installation or replacement varies based on several factors, including the materials you choose, the number and size of the windows, and how difficult your windows are to access or install. On average, homeowners in Castle Rock should expect to 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

Replacing your existing windows with new energy-efficient ones can significantly improve your home's comfort, appearance, insulation, noise reduction, and value. Clear indicators it's time to invest in new windows include:

  • Fogging between window panes, condensation issues, or rotting window frames that let in moisture.
  • Discomfort and high energy bills due to poor insulation.
  • Outdated and inefficient window styles that take away from your house's curb appeal.
  • Windows that are difficult to close, open, and lock properly due to age and wear.
  • Drafts and cold air coming in from old, loose-fitting windows.

How To Choose a Window Company

Hiring a qualified windows installation contractor is the key to a successful project. Below, you'll learn the most important considerations when it comes to deciding which company to hire.

Experience

Look for well-established local companies with many years, ideally decades, of experience successfully installing all kinds of windows. These providers are more likely to have a deep knowledge of Castle Rock's climate and local homeowner needs. Request references from recent clients to verify quality and experience.

Certifications

Choose companies that are certified by major window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Being certified indicates that they've received proper training 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, verifying with the Better Business Bureau (BBB), and requesting local references. Review customer feedback to make sure that the company delivers consistent quality workmanship and great service. Avoid companies with complaints of poor work or unfinished jobs.

Process

The most qualified company will take time to provide you with a comprehensive project plan, timeline, expectations, and reviews of all material and installation options. Beware of vague quotes or timelines that don't provide enough specifics upfront. Look for regular communication throughout the process to avoid surprises later on.

Warranties

Research window installers that guarantee their work and provide warranties on labor and materials. This is a sign of expert workmanship. Choose companies with unlimited lifetime warranties that transfer to new homeowners.

Materials

Ensure that a company installs durable, energy-efficient window brands that work with your budget. Look for design flexibility, good energy ratings, and enhanced UV protection. Confirm the window materials have their own manufacturer warranties as well.

Frequently Asked Questions About Window in Castle Rock, CO

In Castle Rock, the ideal time to install windows is during the early fall when the temperature is milder, so the windows can seal and settle properly. A good local window installer in Castle Rock will be able to explain when the best time is to install windows on your house.

The right type of replacement windows for your Castle Rock home depends on the year your home was built –the average house in Castle Rock was built around 2002. For older homes, you may want to consider efficient windows such as double-glazed windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's great for older homes. For more modern homes, you may want to think about vinyl windows, which are durable, affordable and have a modern look.

The most expensive window types are double-hung windows. They are more complex than single-hung windows, and so are more costly. Single-hung windows are the most budget-friendly on the market. In terms of frames, aluminum and vinyl are the most affordable options.

The process for window installation typically includes measuring the space, removing the existing windows, installing the new windows, inspecting for proper sealing, and caulking around the edges of the frames. Additional steps may be necessary depending on the style of window being installed.

Window replacement companies in Castle Rock typically offer a variety of services, such as installation, repair, window maintenance, cleaning, window tinting, and weatherproofing.

Getting windows installed by a professional can provide a number of benefits. Professional installers can make sure that your windows are properly fitted, weatherproofed, 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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