The Best Window Installers in Louisville, CO

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

#1

Renewal by Andersen of Colorado

4.7
(450 reviews)
Verified

As part of a national brand with a local branch, they specialize in premium, custom-made, energy-efficient replacement windows. They are known for a full-service approach, from consultation to installation, and use their own proprietary materials. Their strength lies in high-quality products and a strong warranty.

400 S Public Rd, Lafayette, CO 80026 (This is their primary showroom and service center for the area, located minutes from Louisville.)

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 Boulder & Broomfield

4.8
(150 reviews)
Verified

A locally owned and operated company highly focused on the Boulder County market. They receive consistent praise for their customer service, attention to detail, and expertise with both modern and older homes. They offer a wide range of brands and products to fit different budgets and needs.

They service Louisville directly from their Boulder/Broomfield coverage area. (Typically, local service businesses in this area may operate from a business address or showroom without public storefronts).

Specialties & Features

Residential window replacement
New construction windows
Window repair services

Business Information

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

Rite Window & Door

4.6
(80 reviews)
Verified

A well-regarded local contractor known for professional installation and repair services. They work with high-quality brands like Milgard and Simonton and are often recommended for their reliability and craftsmanship on both window and door projects. They excel at custom solutions for unique architectural needs.

2950 Industrial Ln, Broomfield, CO 80020 (Located very close to the Louisville border, making them a convenient and common choice for residents.)

Specialties & Features

Custom window solutions
Window repair services
New window installation

Business Information

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

Why These Are the Top Windows Contractors in Louisville

The window market in Louisville, Colorado, is characterized by high quality and a competitive environment driven by the city's affluent and environmentally conscious demographic. The average quality of window products and installations is high, with a significant demand for energy-efficient models that meet or exceed ENERGY STAR® ratings, partly due to Boulder County's strict building and energy codes. The competition level is strong, but it is dominated by a mix of renowned national brands with local branches (like Renewal by Andersen) and highly reputable local contractors from neighboring cities. There are few, if any, low-budget, high-volume operators within the city itself. Typical pricing for a full window replacement project in Louisville is at a premium level. Homeowners can expect to invest significantly, with average costs for a standard home ranging from **$15,000 to $30,000+**, depending on the number of windows, the quality of materials (e.g., fiberglass, composite, or triple-pane glass), and the complexity of the installation. The high cost reflects the quality of products demanded, the expertise of the installers, and the general cost of living and operating a business in the Boulder County region.

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 Louisville regulations and climate

Frequently Asked Questions About Windows in Louisville

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

1What is the typical cost range for a full home window replacement in Louisville, and what factors influence the price?

In Louisville, a full home window replacement typically ranges from $15,000 to $30,000+, depending on the home's size and window count. Key cost factors include the choice of energy-efficient materials (crucial for our variable Front Range climate), the complexity of installation in older homes, and local labor rates. Opting for windows with a low U-factor and Solar Heat Gain Coefficient (SHGC) suitable for Colorado's sunny, cold winters can impact upfront cost but offers significant long-term savings on heating bills.

2How does Louisville's climate and weather affect the best time to schedule window installation?

While installation can occur year-round, the ideal windows in Louisville are during the milder spring and fall seasons to avoid extreme temperatures that can complicate sealing and curing processes. However, scheduling well in advance is critical, as many Colorado homeowners aim for these same periods. Winter installations are possible with experienced crews who use cold-weather installation techniques and sealants, ensuring a proper, airtight fit against our chilly winds.

3Are there specific local building codes or regulations in Louisville I need to be aware of for window replacement?

Yes, all window installations in Louisville must comply with the City of Louisville Building Code, which is based on the 2018 International Residential Code (IRC). This includes requirements for egress in bedrooms and specific energy efficiency standards that align with Colorado's climate zone. A reputable local installer will always pull the necessary permits from the Louisville Building Safety Division, ensuring your project meets all safety and code requirements, which is vital for home insurance and resale value.

4What should I look for when choosing a window installation company in the Louisville/Boulder County area?

Prioritize companies with extensive local experience, proper Colorado licensing, and strong references from Louisville-area projects. Look for providers who understand the specific demands of our region, such as handling high winds, temperature swings, and the potential for hail. Always verify they carry Colorado workers' compensation and liability insurance, and check their standing with the Better Business Bureau (BBB) of Denver/Boulder to ensure a reliable and protected investment.

5With Louisville's sunny days and cold nights, what window features are most important for energy efficiency and comfort?

For optimal performance in our climate, prioritize double or triple-pane glass filled with argon gas and low-emissivity (Low-E) coatings. The Low-E coating is essential for managing solar heat gain during sunny days while retaining interior heat during cold nights. Look for frames with excellent insulation properties, such as vinyl or fiberglass, and ensure the installation includes proper flashing and sealing to defend against the area's occasional driving rain and snow.