Business Details
23 Years
experience
Trusted Window and Siding Experts in Denver
Colorado Window Source has been a trusted name in exterior solutions since 2003, specializing in commercial and residential window replacement, siding installation, and exterior services. Our expertise extends to multifamily units, churches, schools, and historic buildings, with a focus on energy efficiency and compliance with programs like Energize Denver. We partner with leading manufacturers to deliver durable products, including vinyl, fiberglass, and wood windows, as well as James Hardie and LP siding.Our Tru-Warranty System ensures long-term satisfaction through follow-ups and lifetime coverage on materials and installation. We excel in complex mid-rise projects, offering tailored solutions for buildings up to five floors, and provide C-PACE financing options to reduce upfront costs. With a commitment to quality, safety, and customer service, we serve Denver and surrounding areas, including multistate projects in Montana, Missouri, and Utah.
Services
Window Replacement
Siding Installation
Exterior Doors
Gutter Replacement
Commercial Windows
Vinyl Windows
Fiberglass Windows
Wood Windows
James Hardie Siding
LP Siding
Details
- Year established: 2003
Highlights and features
- We have over 20 years of experience in exterior contracting.
- Our team specializes in energy-efficient windows compliant with Colorado Regulation 28.
- We hold an A+ Better Business Bureau rating for customer trust.
- We handle complex mid-rise window projects others avoid.
- Our Tru-Warranty System includes lifetime coverage on materials and installation.
Associations and certifications
- Better Business Bureau
- James Hardie Elite Installer
- MWBE-certified
What people say
Prompt service
Very professional
Great product
Energy-efficient solutions
Expertise in compliance
Services
Window Replacement
Upgrade outdated windows with energy-efficient options that reduce utility costs and improve building performance. Our solutions meet Energize Denver standards, featuring Low-E glass to block UV rays and enhance thermal efficiency. Ideal for commercial properties seeking compliance and residential clients prioritizing comfort.
Siding Installation
Enhance curb appeal with durable siding materials like James Hardie fiber cement and LP SmartSide. These products resist weather damage, require minimal maintenance, and improve insulation. Perfect for commercial buildings and homes needing long-lasting protection and aesthetic upgrades.
Commercial Windows
Specialized window solutions for multifamily units, schools, and historic buildings. Our products meet strict energy codes and safety standards while offering noise reduction and durability. Designed for properties requiring compliance with Denver's sustainability mandates.
Mid-Rise Window Replacement
Expert installation for buildings up to five floors, addressing wind pressure and structural challenges. We source windows rated for high-altitude performance and provide engineering reports to ensure safety and code adherence.
C-PACE Financing
Access zero-down payment plans for energy-efficient upgrades through Colorado's C-PACE program. Repay costs via property tax assessments over 20 years, aligning payments with energy savings to improve ROI.
Questions
What services does CWS Exteriors offer?
We specialize in window replacement, siding installation, exterior door upgrades, and gutter replacement for residential and commercial properties.
Do you provide energy-efficient window options?
Yes, our Low-E glass windows reduce energy use by up to 30% and comply with Colorado Regulation 28 requirements.
Can you handle historic building window replacements?
We are one of few contractors approved by Energize Denver to replace windows in historic buildings while preserving architectural integrity.
What financing options are available?
We offer C-PACE financing, allowing property owners to fund upgrades with no upfront costs and repay through property taxes.
Do you work on mid-rise buildings?
Yes, we specialize in window replacements for buildings up to five floors, addressing unique structural and weather challenges.
What warranties do you provide?
Our Tru-Warranty includes lifetime coverage on materials and installation, with follow-ups at 3, 6, and 12 months post-project.
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