The Best Insulation Contractors in Helena, MT

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

#1

Big Sky Insulation

4.8
(120 reviews)
Verified

A highly-rated, locally-owned company specializing in a full suite of insulation and air sealing services. They are known for their professionalism, expertise in energy efficiency, and use of high-quality materials. They are a go-to contractor for both residential and commercial projects in the region.

3015 Fuller Ave, Helena, MT 59601

Specialties & Features

Spray foam insulation
Attic insulation and air sealing
Crawl space encapsulation

Business Information

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

Energy One

4.7
(90 reviews)
Verified

Energy One is a well-established Montana company that focuses on comprehensive home performance and energy efficiency solutions. While based in Missoula, they are a major service provider for the Helena area and are recognized for their detailed energy audits and expert installation of various insulation types.

3255 Stockyard Rd, Missoula, MT 59808 (Serves Helena)

Specialties & Features

Energy efficiency audits
Blown-in cellulose insulation
Insulation removal and replacement

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Rocky Mountain Insulation Services

4.6
(70 reviews)
Verified

A reliable and experienced contractor offering a wide array of insulation services for new construction and existing homes. They are praised for their clean work, knowledgeable staff, and ability to handle complex projects, including basement and wall insulation.

3116 Foothills Dr, Helena, MT 59601

Specialties & Features

Batt insulation installation
Basement insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Helena

The insulation market in Helena, Montana, is characterized by a small but highly competent group of specialized contractors. Due to the city's cold, high-plains climate with significant heating demands, the focus on energy efficiency is strong. The market competition is moderate, with a few established local players dominating the scene. Homeowners are often motivated by potential energy savings and comfort, leading to steady demand for attic upgrades, air sealing, and basement insulation. Typical pricing is competitive but can vary significantly based on the insulation material; for example, spray foam is a premium-priced option, while blown-in cellulose or fiberglass is more budget-friendly. Many providers are well-versed in local building codes and can advise on available utility rebates, particularly for energy audits and specific air sealing measures. Overall, the quality of service is high, reflecting the expertise required to build and maintain efficient homes in Montana's challenging environment.

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 Helena regulations and climate

Frequently Asked Questions About Insulation in Helena

Get answers to common questions about insulation services in Helena, Montana.

1What is the most important type of insulation for my Helena home given our local climate?

For Helena's cold winters with temperatures often dropping below 0°F, attic insulation is the most critical and cost-effective upgrade. We recommend achieving at least R-49 to R-60 in your attic to prevent significant heat loss, which aligns with DOE recommendations for Climate Zone 6. Properly insulating your attic first addresses the biggest source of energy waste before considering walls or basements.

2How much does insulation installation typically cost for a Helena home?

Costs vary based on home size, material (like blown-in cellulose or fiberglass batts), and area insulated, but Helena homeowners can expect to invest between $1,500 to $4,500 for a standard attic project. Local factors like the need for air sealing (crucial for our windy conditions) and older home construction common in historic districts can influence the final price. Always get itemized estimates from local contractors.

3When is the best time of year to get insulation installed in Helena?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is important for safe attic work and allows contractors more scheduling flexibility. While insulation can be installed year-round, winter projects can be complicated by snow cover, ice, and extreme cold, and summer attic temperatures can be dangerously high for workers.

4Are there any local rebates or incentives for insulation upgrades in Montana?

Yes, NorthWestern Energy offers cash rebates for adding insulation to existing homes in their Montana service area, which includes Helena. They require a pre-installation audit and specific performance standards to qualify. Additionally, federal tax credits for insulation may be available; a reputable local installer will be knowledgeable about current programs and can help guide you through the application process.

5What should I look for when choosing an insulation contractor in the Helena area?

Prioritize contractors who are licensed, insured, and have specific experience with Montana's climate and older home stock. They should perform a thorough energy assessment, not just a quote. Ask for local references and verify they understand and follow the 2021 Montana State Energy Code provisions for insulation. A trustworthy provider will also discuss comprehensive air sealing to combat our region's drafts.