The Best Insulation Contractors in Alexander, ND

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

#1

Interstate Insulation NW - Williston

4.8
(95 reviews)
Verified

A well-established and highly-rated branch of a regional insulation specialist. They are known for comprehensive energy efficiency services, including advanced spray foam applications and energy audits. They cater to both residential and commercial clients in the Bakken region, making them a prime choice for Alexander residents.

13245 15th St NW, Williston, ND 58801

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Dakota Spray Foam & Insulation

4.7
(80 reviews)
Verified

A specialized contractor focused heavily on high-performance spray foam for all areas of a home or building, including attics, walls, and crawl spaces. Their expertise in air sealing makes them a top contender for homeowners seeking maximum energy savings and comfort in the harsh North Dakota climate.

Serves the Williston Basin area, including Alexander (Mobile service operation)

Specialties & Features

Spray foam insulation
Air sealing services
Basement and crawl space insulation

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Williston Insulation Inc.

4.5
(110 reviews)
Verified

A local, long-standing contractor with a broad range of insulation services. They have a strong reputation for reliability and quality workmanship in foundational services like attic insulation upgrades and wall insulation, often using blown-in cellulose or fiberglass.

1503 15th Ave W, Williston, ND 58801

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in Alexander

The insulation market serving Alexander, North Dakota, is characterized by a small number of specialized, high-quality contractors based primarily in Williston, approximately 20 miles away. Due to Alexander's small population, there are no dedicated insulation companies physically located within the city limits. The market is therefore an extension of the Williston service area, which is influenced by the demands of the Bakken oil region. This results in contractors who are experienced, efficient, and familiar with both new construction and retrofit projects for homes and farms. Competition is moderate among the established players, ensuring good service quality but at a price point that can be higher than national averages due to the regional economy and climate-driven demand for high-performance insulation. Typical pricing is competitive for the region, with blown-in attic insulation projects starting in the $1,500-$3,000 range and more complex spray foam jobs ranging from $3,500 to $10,000+, depending on the scope. Homeowners are advised to seek multiple quotes and verify current state licensing and insurance directly with the provider before proceeding.

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 Alexander regulations and climate

Frequently Asked Questions About Insulation in Alexander

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

1What are the most important insulation considerations for Alexander's climate?

Given Alexander's extreme continental climate with very cold winters (average lows near 0°F) and hot summers, creating a tight thermal envelope is paramount. We prioritize high R-values, especially in attics (recommending R-49 to R-60) and walls, and emphasize air sealing to prevent the significant heat loss and drafts common in our windy prairie environment. This dual approach is crucial for both comfort and managing heating costs through our long heating season.

2When is the best time of year to get insulation installed in Alexander?

The ideal time is late spring, summer, or early fall. This allows work to be done before the harsh winter sets in, and attic work is more tolerable and safe for crews before summer peak heat or after it subsides. While many quality contractors work year-round, scheduling in the off-peak seasons can sometimes provide better availability and may allow you to address issues before the highest energy usage months of December through February.

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

Insulation work must comply with the North Dakota State Building Code, which includes energy conservation standards. More importantly, you should check for current utility rebate programs from providers like Montana-Dakota Utilities Co., which often offer incentives for adding insulation. Additionally, federal tax credits for qualified energy efficiency improvements are available and can significantly offset your project cost.

4How do I choose a reliable insulation contractor in the Alexander area? **Question:** How do I choose a reliable insulation contractor in the Alexander area?

Look for established, licensed, and insured local contractors with specific experience in our climate. Ask for references from homes in Alexander or nearby communities like Watford City, and verify they perform a thorough assessment, including a blower door test for air leaks. A trustworthy provider will be knowledgeable about the specific material needs (e.g., vapor barriers for our climate) and should provide a detailed, written estimate outlining scope, R-values, and materials.

5What is a realistic cost range for insulating an older home in Alexander?

Costs vary widely based on home size, material (fiberglass batts, blown-in cellulose, or spray foam), and scope, but homeowners in the region can expect projects to range from $2,000 to $8,000 or more for a whole-house upgrade. Attic insulation for a typical 1,500 sq ft home may cost $1,500-$3,500. Given the local weather, investing in higher-quality materials and professional air sealing often provides a faster payback through reduced heating bills from our expensive winter fuel costs.