The Best Insulation Contractors in Westminster, CO

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

#1

Bell Brothers (Operating as Bell Insulation)

4.8
(250 reviews)
Verified

A well-established, full-service home performance company offering comprehensive insulation services, energy audits, and air sealing. They are highly regarded for their professionalism, expertise, and use of advanced diagnostic tools to identify and solve home efficiency issues.

1221 S Bannock St, Denver, CO 80223 (Serves Westminster)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

American Air & Insulation

4.7
(180 reviews)
Verified

A dedicated insulation contractor known for high-quality installation and a strong focus on customer service. They specialize in both residential and commercial projects and are experts in various insulation types, including blown-in and spray foam.

11881 E 33rd Ave Unit C, Aurora, CO 80010 (Serves Westminster)

Specialties & Features

Blown-in insulation installation
Attic insulation upgrade
Insulation removal and replacement

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Insulate Colorado

4.6
(90 reviews)
Verified

A local, family-owned insulation company that prides itself on quality workmanship and personalized service. They are particularly skilled in tackling complex projects in older homes and are knowledgeable about local utility rebates.

11465 Reed Ct, Broomfield, CO 80020 (Serves Westminster)

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in Westminster

** The insulation market in Westminster, Colorado, is robust and quality-driven, reflecting the state's commitment to energy conservation and the homeowner's need to manage both winter heating and summer cooling costs. The market features a mix of large, full-service home performance companies and specialized, local insulation contractors. * **Average Quality & Competition:** The competition is strong, which generally elevates the standard of service. Top providers are not just installers; they are efficiency experts who use tools like blower door tests and thermal imaging to guide their work. Certifications from bodies like BPI (Building Performance Institute) are common among the leading companies. * **Typical Pricing:** Pricing is competitive but can vary significantly based on the project scope and material. * **Spray Foam:** $1.50 - $3.50 per board foot (highest cost, highest R-value). * **Blown-In Cellulose/Fiberglass:** $1,500 - $4,500 for a standard attic (most common for retrofits). * **Batt Insulation:** $1.00 - $2.50 per square foot. Homeowners should always obtain multiple quotes. A key driver for investment is the availability of local utility rebates (e.g., from Xcel Energy) and federal tax credits for energy efficiency, which many of the top providers are well-versed in and can help clients navigate.

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 Westminster regulations and climate

Frequently Asked Questions About Insulation in Westminster

Get answers to common questions about insulation services in Westminster, Colorado.

1What are the most important types of insulation for my Westminster home given our local climate?

For Westminster's semi-arid climate with cold winters and hot summers, a focus on air sealing and high R-value attic insulation is critical. We recommend targeting at least R-49 to R-60 in your attic to retain heat in winter and block summer heat gain. Properly insulating basement rim joists and walls is also key to combat our temperature swings and reduce energy costs year-round.

2How much does insulation installation typically cost for a home in Westminster?

Costs vary based on home size, material (like blown-in cellulose or fiberglass batts), and area insulated (attic, walls). For a standard attic upgrade in Westminster, homeowners can expect a range of $1,500 to $3,500. It's important to get itemized quotes from local providers, as pricing can be influenced by Colorado's higher labor costs and material availability. Many companies also offer free energy assessments to pinpoint needs.

3Are there any local rebates or incentives in Westminster for upgrading my insulation?

Yes, Westminster residents should first check for rebates directly from their utility provider, such as Xcel Energy or Westminster's own water and power utility, which often offer incentives for energy efficiency upgrades. Additionally, Colorado state programs and potential federal tax credits can significantly reduce the net cost. A reputable local installer will be knowledgeable about current programs and can help you apply.

4When is the best time of year to install or upgrade insulation in Colorado?

While insulation can be installed year-round, the ideal times in Westminster are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is safer for installers working in attics and allows for proper air sealing. Scheduling during these shoulder seasons also ensures your home is prepared before the extreme cold of winter or heat of summer arrives.

5What should I look for when choosing an insulation contractor in the Westminster area?

Prioritize local, licensed, and insured contractors with strong references from Westminster or nearby communities. Ensure they perform a thorough energy audit first and are well-versed in the 2021 International Energy Conservation Code (IECC) adopted by Colorado, which sets specific R-value requirements for our climate zone. Choose a provider that offers a warranty on both materials and workmanship.