The Best Insulation Contractors in Sullivan, IN

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

#1

All-Star Insulation, Inc.

4.8
(120 reviews)
Verified

A well-established, locally-owned and operated company based directly in Sullivan. They are highly regarded for their focus on residential insulation and energy efficiency upgrades. Their strength lies in personalized service, deep knowledge of local home construction, and a comprehensive range of insulation solutions.

6595 E State Road 154, Sullivan, IN 47882

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Blown-in insulation

Business Information

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

Thompson Insulation Services, LLC

4.7
(90 reviews)
Verified

A reputable family-owned contractor located in nearby Terre Haute, a primary service hub for the Sullivan area. They emphasize professional installation, customer education, and using high-quality materials. They are known for their detailed energy audits and thorough air sealing practices.

2609 S 17th St, Terre Haute, IN 47802

Specialties & Features

Energy efficiency audits
Air sealing services
Insulation removal and replacement

Business Information

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

Koala Insulation of West Central Indiana

4.9
(70 reviews)
Verified

Part of a national brand with a local franchisee, offering the benefits of corporate training and protocols combined with local operation. They serve a wide area including Sullivan and are praised for their punctuality, clean work sites, and expertise in both new construction and retrofit insulation projects, including basements and crawl spaces.

215 S 13th St, Terre Haute, IN 47807

Specialties & Features

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

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Sullivan

** The insulation market in Sullivan, Indiana, reflects its status as a smaller, rural city. The competition is not saturated, but the quality of available providers is generally high, consisting of a few dedicated local specialists and established regional contractors from nearby Terre Haute. * **Average Quality:** The top-tier contractors in this region are very competent, often with long track records and specialized certifications (e.g., from manufacturers like Owens Corning or spray foam applicator certifications). Homeowners can expect professional-grade service from the leading companies. * **Competition Level:** Moderate. There are fewer than a dozen dedicated insulation companies actively marketing to Sullivan. This means the established players have strong local reputations and are not competing solely on price, but rather on service quality, reliability, and expertise. * **Typical Pricing:** Pricing is competitive with national averages but can be influenced by travel time for contractors based outside Sullivan. For a standard attic blown-in cellulose job, homeowners might expect a range of **$1,500 - $3,500**, while more complex spray foam projects can range from **$3,500 to $8,000+**. Most reputable companies provide free, detailed estimates. It is also noteworthy that some contractors may be less aware of all state-specific rebate programs, so it is a significant advantage to work with a provider (like those listed) that actively discusses energy efficiency and potential incentives.

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 Sullivan regulations and climate

Frequently Asked Questions About Insulation in Sullivan

Get answers to common questions about insulation services in Sullivan, Indiana.

1What is the recommended insulation level (R-Value) for attics in Sullivan, Indiana homes?

For Sullivan's climate, which experiences hot, humid summers and cold winters, the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This is crucial for maintaining energy efficiency year-round, combating both summer heat gain and winter heat loss. Many older homes in the area have insulation levels well below this, so an upgrade can lead to significant savings on heating and cooling bills.

2Are there any local Sullivan or Indiana-specific rebates or incentives for adding insulation?

Yes, homeowners should check for current programs from Vectren (CenterPoint Energy), the local utility provider, which often offers rebates for attic and wall insulation improvements. Additionally, the federal tax credits for energy efficiency improvements, which cover a percentage of insulation material costs, are a significant incentive. It's always best to consult with a local insulation contractor, as they are typically up-to-date on the latest available programs.

3When is the best time of year to have insulation installed in Sullivan?

While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer milder weather, making it easier for contractors to work in your attic or crawl space. Scheduling during these shoulder seasons also ensures your home is properly sealed before the peak heating season begins, which is especially important for Sullivan's often harsh winters.

4What should I look for when choosing a local Sullivan insulation contractor?

First, ensure they are licensed and insured to work in Indiana. Look for a contractor with strong local references and experience with the specific challenges of older homes common in Sullivan County, such as knob-and-tube wiring or plaster walls. A reputable provider should offer a detailed, written estimate that includes the proposed R-value, material type (like cellulose, fiberglass, or spray foam), and a clear explanation of the work process.

5Is moisture or mold a common concern with insulation in our area, and how is it prevented?

Yes, due to Sullivan's high humidity in summer, proper air sealing and vapor barriers are critical components of an insulation project to prevent moisture buildup and mold growth. A professional installer will assess your home's ventilation, particularly in the attic, and recommend solutions like baffles to maintain airflow from soffit vents. Using moisture-resistant insulation materials, such as closed-cell spray foam or treated cellulose, is also a common practice here.