The Best Insulation Contractors in Grenora, ND

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

#1

Advanced Insulation Solutions

4.7
(120 reviews)
Verified

A leading regional contractor specializing in high-performance insulation systems for both residential and commercial properties. They are known for their expertise in spray foam and their comprehensive approach to building envelope sealing, which is critical for North Dakota's climate. They are a go-to provider for energy efficiency upgrades.

1322 6th Ave W, Williston, ND 58801

Specialties & Features

Spray foam insulation
Air sealing services
Energy efficiency audits

Business Information

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

North Star Insulation

4.5
(90 reviews)
Verified

A well-established local company with a strong focus on residential insulation services. They have a reputation for reliability and thoroughness, particularly in attic projects and blown-in insulation retrofits. They are knowledgeable about local utility rebates available in the region.

810 18th St E, Williston, ND 58801

Specialties & Features

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

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Energy Efficient Insulators of North Dakota

4.3
(65 reviews)
Verified

This provider focuses heavily on improving home energy efficiency through insulation and air sealing. They offer a wide range of services, including basement and crawl space encapsulation, which is a common need in the region to combat moisture and heat loss.

1501 2nd Ave W, Williston, ND 58801

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Grenora

** The insulation market serving Grenora, ND is characterized by a small number of specialized, regional contractors based primarily in Williston. Due to the extreme climate with cold winters and hot summers, the demand for high-quality insulation is strong, driven by both comfort and rising energy costs. The market is not highly saturated, but the competition among the established players is based on reputation, specialized expertise (e.g., spray foam vs. traditional methods), and reliability. **Average Quality:** The quality of service from the top providers is generally high, as they must adhere to modern building science principles to be effective in this demanding environment. Many are certified by manufacturers like Owens Corning or CertainTeed. **Competition Level:** Moderate. There are a few dominant local players and some smaller handyman services. The top-tier contractors are often in high demand, especially during the pre-winter and spring seasons, so scheduling can require advance planning. **Typical Pricing:** Pricing is above the national average due to several factors: the remote nature of service calls to towns like Grenora (involving significant travel time and fuel costs), the high cost of living and labor in the Williston Basin area, and the stringent building codes requiring robust insulation levels. Homeowners should expect a significant investment, with projects like a full attic insulation upgrade ranging from $1,500 to $4,000+, and spray foam projects costing considerably more. Most reputable companies provide free, detailed estimates.

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 Grenora regulations and climate

Frequently Asked Questions About Insulation in Grenora

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

1What is the most important type of insulation for my home in Grenora given our extreme climate?

For Grenora's harsh, windy winters with temperatures often well below freezing, air sealing and attic insulation are the most critical. Properly air-sealing gaps and penetrations in your attic floor stops the intense cold air infiltration, while adding or upgrading attic insulation to at least R-49 (as recommended for North Dakota's Climate Zone 7) dramatically reduces heat loss. This dual approach directly combats our highest heating costs and improves home comfort against the prairie winds.

2When is the best time of year to schedule insulation work in Grenora, ND?

The ideal time is late summer or early fall (August-October), before the severe winter cold sets in. This allows contractors to work effectively in your attic or crawlspace before temperatures become dangerously hot or cold, and it ensures your home is prepared for the heating season. Scheduling during this window is crucial, as local insulation providers book up quickly ahead of winter, and attempting work in deep winter can be less effective and more disruptive.

3Are there any local or state-specific rebates or incentives for insulating my home in North Dakota?

Yes, homeowners should explore the North Dakota Residential Energy Conservation Program, which often offers low-interest loans for qualified energy efficiency upgrades, including insulation. Additionally, check with your local utility provider, such as Montana-Dakota Utilities, for any direct rebates or energy audit programs. These incentives can significantly offset the upfront cost, making the investment in high-performance insulation for our climate more affordable.

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

Prioritize contractors licensed in North Dakota with specific experience in our region's older home construction and climate challenges. Ask for local references in Williams County and proof of insurance. A reputable provider will perform a thorough energy assessment, explain the recommended R-values for our zone, and provide a detailed quote that includes both materials (like blown-in cellulose or fiberglass for attics) and comprehensive air sealing.

5My house is drafty and has ice dams on the roof in winter. Can insulation help with this?

Absolutely. Ice dams are a common issue in Grenora and are primarily caused by heat escaping from a poorly insulated and air-sealed attic, which melts snow on the roof. The water then refreezes at the colder eaves. Upgrading your attic insulation and air sealing stops this heat loss, keeping your roof deck cold and preventing ice dam formation, which also protects your roof structure and interior from water damage.