The Best Window Installers in Denver, CO

Compare the highest-rated windows professionals in Denver, Colorado. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Renewal by Andersen of Denver & Northern Colorado

4.8
(250 reviews)
Verified

A premier provider known for its full-service, premium window and door replacement. They handle the entire process from in-home consultation to professional installation, specializing in their own proprietary, high-performance, energy-efficient windows.

495 S. Kipling Pkwy, Lakewood, CO 80226 (Serves Denver)

Specialties & Features

Custom window solutions
Energy-efficient windows
Full-frame replacement

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

The Window Source of Colorado

4.7
(150 reviews)
Verified

A locally owned and operated company praised for its personalized service and extensive selection of window brands and styles. They are recognized for expertise in both replacement and new construction windows, with a strong focus on energy efficiency suitable for the Colorado climate.

9995 E. Kentucky Ave, Denver, CO 80247

Specialties & Features

Residential window replacement
Energy-efficient windows
New window installation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Clearview Windows & Doors

4.6
(180 reviews)
Verified

A well-regarded local contractor offering a wide range of services from simple repairs to full-scale installations. They are frequently noted in reviews for their professionalism, fair pricing, and expertise with various window types, including impact-resistant and security options.

5801 N. Broadway Unit J, Denver, CO 80216

Specialties & Features

Window repair services
New window installation
Storm and security windows

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Denver

** The Denver window market is robust and competitive, driven by the city's mix of historic homes needing replacement and new construction. The high-altitude climate with intense sun, temperature swings, and potential for hailstorms creates a strong demand for energy-efficient, durable, and UV-protective windows. Quality varies significantly, with a clear divide between large national franchises (offering premium, proprietary products) and smaller local contractors (often providing more personalized service and a wider brand selection). Competition is healthy, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing for a full home window replacement can range from **$8,000 to $25,000+**, heavily dependent on the window material (vinyl, fiberglass, wood), brand, energy ratings, and the complexity of the installation.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Denver regulations and climate

Frequently Asked Questions About Windows in Denver

Get answers to common questions about windows services in Denver, Colorado.

1How does Denver's climate affect the type of windows I should install?

Denver's high altitude, intense sun, and significant temperature swings demand high-performance windows. We strongly recommend windows with a low U-factor for insulation against cold and a low Solar Heat Gain Coefficient (SHGC) to manage solar heat gain and prevent interior fading. Look for ENERGY STAR® certification for the Mountain climate zone specifically, which is tailored for our region's unique conditions.

2What is the typical cost range for a full home window replacement in Denver?

For a standard Denver home, a full replacement of double-hung vinyl windows typically ranges from $15,000 to $30,000, though this varies greatly with home size, window count, and material choices like fiberglass or wood. Colorado's competitive market and higher cost of living influence pricing, so always get 3-5 detailed, in-home estimates that include removal, installation, and cleanup to compare accurately.

3When is the best time of year to schedule window installation in Denver?

While installation can be performed year-round, late spring and early fall are ideal, offering mild temperatures for the installers and your home's comfort. Avoid the peak of winter if possible, as extreme cold can complicate sealing and curing processes. Many Denver companies offer scheduling flexibility, but booking several weeks in advance for these popular seasons is advisable.

4Are there any local Denver or Colorado regulations I need to be aware of for window replacement?

Yes, Denver has specific building codes. Most residential window replacements require a permit from the City and County of Denver, which your licensed contractor should handle. Furthermore, if your home is in a historic district (like Capitol Hill or Baker), you will need approval from Landmark Preservation for any exterior changes, including window style and materials.

5What should I look for when choosing a window installation company in the Denver area?

Prioritize local, licensed, and insured contractors with extensive experience in Colorado's climate. Check for strong reviews on local platforms and verify they pull the required Denver permits. A reputable provider will offer a robust warranty covering both the product and their labor, and should provide a clear explanation of how their installation methods address Denver's weather challenges like wind-driven rain and thermal expansion.