The Best Window Installers in Littleton, CO

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

#1

Renewal by Andersen of Denver & Southern Colorado

4.8
(250 reviews)
Verified

As a branch of a nationally recognized brand, this provider specializes in premium, custom-built, energy-efficient windows. They are known for a full-service approach, handling the entire process from in-home consultation to professional installation. Their windows are often at a higher price point but are backed by strong warranties.

4990 Oakland St, Denver, CO 80239 (Located just north of Littleton, serving the entire metro area)

Specialties & Features

Energy-efficient windows
Custom window solutions
Full-window replacement

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

The Window Source of Colorado

4.7
(180 reviews)
Verified

A locally owned and operated company highly regarded for its personalized service and expertise in a wide variety of window brands and styles. They focus on both replacement and new construction windows, emphasizing solutions that improve home comfort and energy savings for Colorado's climate.

8000 S Lincoln St, Littleton, CO 80122

Specialties & Features

Residential window replacement
New window installation
Energy-efficient windows

Business Information

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

Pella Windows & Doors of Denver

4.6
(150 reviews)
Verified

Another industry leader, Pella offers a vast selection of high-quality windows and doors. Their local showroom allows customers to see and feel the products. They provide expert consultation and professional installation for both standard and custom window projects, with a strong focus on innovation and durability.

8690 Wolff Ct #101, Westminster, CO 80031 (Serves the entire Denver metro area, including Littleton)

Specialties & Features

Custom window solutions
Storm windows and security windows
Window repair services

Business Information

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

Why These Are the Top Windows Contractors in Littleton

The residential window market in Littleton is competitive and leans towards the mid-to-high end, reflecting the city's well-maintained housing stock and homeowner investment in property value. The climate, with its intense sun, significant temperature swings, and potential for hailstorms, drives high demand for energy-efficient, durable, and UV-protective windows. The market is served by a mix of nationally recognized brands (like Andersen and Pella) with local branches and highly-rated local contractors. Homeowners can expect a wide range of pricing, with standard double-hung vinyl replacement windows starting in the mid-hundreds per window, while high-end custom wood or composite windows with advanced glazing can cost well over a thousand dollars per window. Professional installation is a significant part of the total cost, and reputable providers are typically in high demand, often requiring scheduled consultations.

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 Littleton regulations and climate

Frequently Asked Questions About Windows in Littleton

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

1What is the typical cost range for a full window replacement in a Littleton home?

For a standard, mid-range vinyl window replacement in Littleton, homeowners can expect to pay between $800 to $1,200 per window installed, with total project costs varying based on home size and window count. Colorado's pricing is influenced by the demand for high-performance, energy-efficient windows suited to our climate, which can increase costs. Factors like custom shapes, premium materials (e.g., fiberglass), and the complexity of your home's architecture (common in Littleton's varied neighborhoods) will push prices toward the higher end of the spectrum.

2How does Littleton's climate impact the type of windows I should choose?

Littleton's climate, with its wide temperature swings, intense sun, and occasional high winds, makes window performance critical. 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, which improves energy efficiency year-round. For optimal durability and performance, look for products rated for Colorado's high-altitude sun and consider impact-resistant glass in areas prone to hail, a common Front Range weather concern.

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

While window installation can be performed year-round, the ideal seasons in Littleton are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for the installation process and for having your home open. Scheduling well in advance for these windows is crucial, as they are the busiest times for local contractors. Winter installations are possible with experienced crews who use proper sealing techniques to maintain your home's envelope during the brief window removal.

4Are there specific permits or regulations for window replacement in Littleton?

Yes, the City of Littleton requires a building permit for window replacement if you are altering the rough opening size or if the work is part of a larger exterior remodel. For like-for-like replacements, a permit is generally not required, but it is always best to verify with the Littleton Building Division, as rules can vary by neighborhood, especially in historic districts. A reputable local installer will know these regulations and typically handle the permit process on your behalf for any project that requires it.

5What should I look for when choosing a window installation company in Littleton?

Prioritize local, established companies with strong references specifically in the Littleton area, as they will understand regional building styles and climate challenges. Verify they are licensed, insured, and carry Colorado-specific certifications (like from the Colorado Association of Home Builders). Always ask for proof of local Littleton projects and check reviews for comments on their handling of Colorado's weather during installation, as proper flashing and sealing are non-negotiable for preventing leaks and drafts.