The Best Insulation Contractors in Bismarck, ND

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

#1

Interstate Insulation Systems, Inc.

4.8
(120 reviews)
Verified

A leading regional insulation contractor serving both residential and commercial clients. They are highly regarded for their professionalism, expertise in various insulation types, and focus on improving home energy efficiency. They often handle projects from audit to installation and are knowledgeable about local energy rebates.

2307 E Main Ave, Bismarck, ND 58501

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Basement and crawl space insulation

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Evergreen Energy Solutions

4.7
(90 reviews)
Verified

A local Bismarck company specializing in comprehensive energy efficiency upgrades. They combine insulation services with advanced air sealing to create a holistic solution for reducing energy bills and improving home comfort. Their strong focus on customer service and detailed energy audits is a recurring theme in positive reviews.

809 N 27th St, Bismarck, ND 58501

Specialties & Features

Energy efficiency audits
Air sealing services
Attic insulation installation and upgrade

Business Information

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

Northstar Insulation

4.6
(80 reviews)
Verified

While based in Fargo, Northstar Insulation is a major regional provider that consistently serves the Bismarck area and is a top choice for many homeowners. They are a certified installer for major brands like Owens Corning and offer a robust suite of services including removal and replacement of old insulation.

4203 43rd 1/2 St S, Fargo, ND 58104 (Serves Bismarck area)

Specialties & Features

Insulation removal and replacement
Wall insulation services
Blown-in cellulose insulation

Business Information

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

Why These Are the Top Insulation Contractors in Bismarck

The insulation market in Bismarck, ND, is characterized by a moderate level of competition, dominated by a few established regional players and several smaller local contractors. The quality of service is generally high, driven by the extreme climate which creates a strong demand for effective home energy efficiency solutions. Homeowners are increasingly aware of the benefits of advanced materials like spray foam, though traditional blown-in fiberglass and cellulose remain popular for their cost-effectiveness. Typical pricing is influenced by the harsh winters, which necessitate high R-values. As a rough guide, attic insulation projects can range from $1,500 to $4,500, while full-wall or spray foam installations can run from $2,000 to over $10,000, depending on the home's size and materials chosen. Most reputable contractors are well-versed in North Dakota's building codes and can provide guidance on available utility rebates, making professional upgrades a more accessible investment for local residents.

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 Bismarck regulations and climate

Frequently Asked Questions About Insulation in Bismarck

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

1What is the most important type of insulation for my Bismarck home given our extreme winters?

For our climate, attic insulation is the single most critical upgrade. Bismarck's long, cold winters mean heat constantly rises and escapes through the roof. We recommend achieving at least R-49 to R-60 in your attic, typically using blown-in cellulose or fiberglass, to significantly reduce heating bills and improve comfort. Properly insulating your attic can have a more immediate impact on energy savings than wall insulation in our region.

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

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather which is safer for contractors working in your attic and allows for proper ventilation during installation. While insulation can be installed in winter, summer attic work can be dangerously hot for crews, and fall projects should be scheduled early to avoid the deep cold that can complicate certain materials like spray foam.

3Are there any local Bismarck or North Dakota rebates or incentives for adding insulation?

Yes, homeowners should always check for current incentives. Basin Electric Power Cooperative and Montana-Dakota Utilities (MDU) often offer rebates for adding insulation to existing homes. Additionally, North Dakota's state-funded "Energy Conservation Grant and Loan Program" can provide financial assistance for qualifying energy efficiency upgrades, including insulation. It's best to consult with your local insulation provider, as they are usually up-to-date on the latest programs.

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

Look for a licensed, insured, and locally established contractor with specific experience in North Dakota's climate. Ask for references from past customers and verify they perform a thorough energy audit or assessment before quoting. A reputable Bismarck contractor will be knowledgeable about the specific vapor barrier requirements needed for our climate to prevent moisture issues inside wall cavities.

5My house feels drafty and my energy bills are high. Could outdated insulation be the main issue?

In Bismarck, it is very likely a primary factor. Many older homes built before modern energy codes have insufficient or settled insulation, especially in attics. The extreme temperature differentials (often 80+ degrees between indoors and outdoors in winter) put immense strain on your heating system. An energy assessment can identify if inadequate insulation is the culprit versus other issues like air leaks around windows, with insulation often being the most cost-effective fix for long-term savings.