The Best Insulation Contractors in Williston, ND

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

#1

Insta Insulation

4.8
(150 reviews)
Verified

A leading regional insulation contractor with a dedicated branch in Williston. They are known for their comprehensive energy efficiency services, professional crews, and use of high-quality materials like Johns Manville and CertainTeed. They specialize in both residential and commercial projects.

13215 15th St NW, Williston, ND 58801

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Energy efficiency audits

Business Information

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

Williston Insulation & Supply

4.5
(80 reviews)
Verified

A long-standing local business that serves as both a supplier and installer. Their deep roots in the community give them extensive knowledge of local building codes and the specific challenges posed by the North Dakota climate. They offer a wide range of traditional and modern insulation solutions.

102 Main St, Williston, ND 58801

Specialties & Features

Batt insulation for walls
Basement and crawl space insulation
Insulation removal and replacement

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Climate Pro Insulation

4.6
(120 reviews)
Verified

Based in Dickinson, ND, this provider is a key player in the western ND insulation market and regularly serves the Williston area. They are praised for their detailed assessments, clean work, and expertise in air sealing to maximize the effectiveness of their insulation installations.

109 4th St W, Dickinson, ND 58601

Specialties & Features

Air sealing services
Attic insulation installation and upgrade
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Williston

The insulation market in Williston, ND, is characterized by high demand driven by the region's extreme continental climate, with very cold winters and hot summers, making energy efficiency a significant concern for homeowners and businesses. The market is moderately competitive, dominated by a few local specialists and regional branches of larger companies. The presence of the oil and gas industry has influenced the market, leading to a mix of residential and fast-paced commercial/industrial projects. Typical pricing is competitive but can be on the higher side compared to national averages due to the remote location and logistical costs of materials. Homeowners are increasingly aware of available rebates and the long-term savings of high-performance insulation like spray foam, though fiberglass batts and blown-in cellulose remain popular for their cost-effectiveness. Overall, the quality of service from the top providers is very high, with a strong focus on building science and local code compliance.

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 Williston regulations and climate

Frequently Asked Questions About Insulation in Williston

Get answers to common questions about insulation services in Williston, North Dakota.

1What is the most cost-effective type of insulation for my Williston home given our extreme winters?

For our climate, blown-in fiberglass or cellulose insulation in attics and walls is often the most cost-effective for retrofits, providing excellent thermal resistance (R-value) per dollar. Spray foam offers superior air sealing and higher R-value but at a greater upfront cost; it's a strong investment for sealing drafty areas like rim joists. Given Williston's long, cold winters with temperatures often below zero, investing in adequate insulation (meeting or exceeding IRC code of R-49 for attics) will provide significant long-term savings on heating bills.

2When is the best time of year to schedule insulation work in Williston?

The ideal time is late summer through early fall (August-October), before the severe winter cold sets in. This allows contractors to properly assess and address air leaks without battling extreme weather, and materials perform best when installed in moderate temperatures. While many local contractors work year-round, scheduling early is crucial as demand spikes in autumn, and winter installations may require specialized procedures and temporary enclosures to manage indoor climate.

3Are there any local Williston or North Dakota regulations or rebates for insulation upgrades?

Insulation installations must comply with the North Dakota State Building Code, which adopts the International Residential Code (IRC) with specific climate zone requirements for our region. For rebates, check with Mountrail-Williams Electric Cooperative or Montana-Dakota Utilities (MDU) for potential energy efficiency incentives for their customers. Additionally, the federal Inflation Reduction Act offers tax credits for qualified insulation improvements, making it worthwhile to consult with a local provider familiar with these programs.

4How do I choose a reliable insulation contractor in the Williston area?

Prioritize local, established contractors with verifiable experience in North Dakota's climate—they understand vapor barriers, ice dam prevention, and proper installation for our temperature swings. Check for North Dakota licensing (if required for their specific trade), insurance, and ask for references from past projects. Be wary of transient "storm chaser" crews; a reputable local company will provide a detailed, written estimate specifying insulation type, R-value, and scope of work.

5My house feels drafty and has ice dams on the roof every winter. Can insulation help?

Absolutely. Ice dams are a common Williston issue caused by heat escaping from a poorly insulated attic, melting snow that refreezes at the eaves. The solution involves two steps: first, air sealing the attic floor to stop warm, moist air from rising, and second, adding sufficient attic insulation (typically to R-49 or higher) to keep that heat inside your living space. Addressing this not only prevents ice dams and roof damage but also eliminates drafts and improves overall comfort.