The Best Insulation Contractors in Washington, UT

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

#1

One Stop Home Service

4.8
(200 reviews)
Verified

A highly-rated, full-service contractor specializing in comprehensive home performance upgrades. They are known for their expertise in energy efficiency audits, air sealing, and advanced insulation solutions like spray foam. Their integrated approach ensures that insulation work is part of a broader strategy to improve home comfort and reduce energy bills.

415 S 800 E, St. George, UT 84770 (Serves Washington, UT)

Specialties & Features

Spray Foam Insulation
Energy Efficiency Audits
Air Sealing

Business Information

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

Insulation Solutions Utah

4.7
(150 reviews)
Verified

This company focuses specifically on insulation, making it a specialist in the field. They offer a wide range of insulation types, including blown-in cellulose and fiberglass, and are experts in attic insulation upgrades and crawl space encapsulation. They are well-regarded for their professional crews and knowledge of local building codes and material requirements for the Southern Utah climate.

2092 W 250 N, St. George, UT 84770 (Serves Washington, UT)

Specialties & Features

Blown-In Insulation
Attic Insulation
Crawl Space Insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Southwest Insulation

4.6
(90 reviews)
Verified

A established local contractor with a strong track record in both residential and commercial insulation. They provide robust services for new construction and retrofit projects, including wall insulation and insulation removal. Their longevity in the St. George area indicates a solid reputation and familiarity with the specific environmental challenges of the region.

1091 N. 2175 W., St. George, UT 84770 (Serves Washington, UT)

Specialties & Features

Insulation Removal and Replacement
Wall Insulation
Basement Insulation

Business Information

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

Why These Are the Top Insulation Contractors in Washington

** The insulation market in Washington, Utah, and the broader St. George area is moderately competitive and characterized by a few established, high-quality providers rather than a saturated market with many options. The demand is driven by the extreme desert climate, with very hot summers and cool winters, making energy efficiency a primary concern for homeowners. The quality of service is generally high, as these companies have built their reputations over many years serving the growing community. Typical pricing is influenced by the high-performance materials often required. For example, spray foam insulation is a premium service but highly effective for the climate, while blown-in attic insulation remains a popular and cost-effective upgrade. Homeowners should expect a range of pricing, with many providers offering free estimates. It is also common for these companies to be well-versed in available rebates from local utilities like Dixie Power, adding value to their services. The market favors contractors who can offer a comprehensive "home performance" approach, bundling insulation with air sealing for maximum efficiency.

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 Washington regulations and climate

Frequently Asked Questions About Insulation in Washington

Get answers to common questions about insulation services in Washington, Utah.

1What is the recommended R-value for attic insulation in Washington, Utah, and why is it specific to our area?

For Washington, UT, the U.S. Department of Energy recommends an attic insulation R-value of R49 to R60. This high range is critical due to our desert climate, which features extremely hot summers and chilly winters. Proper attic insulation at this level is your primary defense against heat gain in summer and heat loss in winter, directly impacting comfort and energy bills year-round.

2When is the best time of year to schedule insulation installation in Washington County?

The ideal times are during the spring (March-May) and fall (September-November). These seasons offer milder temperatures, making it safer for contractors to work in your attic and allowing for proper curing of materials like spray foam. Scheduling during these shoulder seasons also ensures your home is prepared before the intense summer heat or winter cold hits Southern Utah.

3Are there any local rebates or incentives for upgrading insulation in Washington, UT?

Yes, homeowners should first check for rebates directly from the City of Washington utilities and from Dixie Power. Furthermore, Rocky Mountain Power offers the WattSmart program, which provides rebates for adding insulation in existing homes. Always consult with your local insulation contractor, as they are typically up-to-date on the latest available incentives for Washington County.

4How do I choose a reputable insulation contractor in the Washington/St. George area?

Select a contractor who is licensed, insured, and has strong local references. Given our specific climate challenges, choose a provider with proven experience installing insulation that performs well in high-heat environments. It's also wise to verify they understand and follow the 2018 International Energy Conservation Code (IECC) amendments adopted by Utah, which dictate insulation and air sealing standards.

5Besides the attic, what are other critical areas to insulate in a Washington, UT home?

In our climate, properly insulating exterior walls and sealing the rim joist (band joist) are essential. Wall insulation prevents thermal transfer through sun-exposed surfaces, while sealing the rim joist is crucial for blocking hot, dusty air infiltration common in desert regions. Don't overlook insulating and sealing ductwork in unconditioned spaces like crawl spaces or garages, as leaky ducts significantly waste energy.