The Best Insulation Contractors in Lebanon, IL

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

#1

Koala Insulation of Southwestern Illinois

4.8
(150 reviews)
Verified

A highly-rated, full-service insulation contractor known for its strong focus on energy efficiency and customer education. They specialize in both residential and commercial projects, offering a wide array of insulation types and thorough energy audits. Their reputation is built on professionalism and clear communication.

11 Park Pl, Swansea, IL 62226 (Primary service area includes Lebanon, IL)

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#2

Yoder Insulation Service Inc.

4.7
(90 reviews)
Verified

A long-standing, family-owned business with a deep roots in the local community. They are recognized for their reliability, expertise in traditional and modern insulation methods, and high-quality workmanship. They have built a strong reputation through decades of service.

511 N Belt W, Swansea, IL 62226

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Basement and crawl space insulation

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

Allied Insulation

4.5
(70 reviews)
Verified

A well-established contractor providing comprehensive insulation solutions across the St. Louis Metro-East region. They are known for tackling projects of varying sizes, from residential retrofits to new construction, and emphasize improving home comfort and reducing energy bills.

300 W Main St, Collinsville, IL 62234

Specialties & Features

Spray foam insulation
Air sealing services
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Lebanon

** The insulation market serving Lebanon, Illinois, is characterized by a small number of highly specialized, regional contractors based in nearby hubs like Swansea, O'Fallon, and Collinsville. Due to Lebanon's proximity to the St. Louis metropolitan area, residents benefit from a competitive market with providers who have extensive experience with the local climate, which features cold winters and hot, humid summers. This makes services like air sealing and attic insulation particularly critical for energy efficiency. The average quality of service is high, as the longstanding companies have built their reputations on word-of-mouth and consistent results in the community. Competition is moderate but professional, with a focus on expertise rather than price-cutting. Typical pricing varies significantly based on the project; blown-in cellulose for an attic can range from $1,500 to $3,500, while a full spray foam application can be a more substantial investment of $5,000 to $15,000 or more, depending on the scope. Most reputable providers are licensed, insured, and knowledgeable about potential rebates from local utilities like Ameren Illinois.

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 Lebanon regulations and climate

Frequently Asked Questions About Insulation in Lebanon

Get answers to common questions about insulation services in Lebanon, Illinois.

1What is the recommended insulation level (R-Value) for attics in Lebanon, IL, and why is it specific to our area?

For Lebanon's humid continental climate with hot summers and cold winters, the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This high R-Value is crucial to combat our significant temperature swings, keeping your home cooler in July's heat and warmer in January's cold, which directly improves comfort and reduces strain on your HVAC system.

2How much does it typically cost to insulate an older home in Lebanon, and are there any local incentives?

For a typical Lebanon home built before modern energy codes, adding attic insulation can range from $1,500 to $3,500, depending on square footage and material. While Illinois state-wide programs like the Illinois Home Performance with ENERGY STAR offer rebates, it's wise to check with Ameren Illinois, our local utility, for any current direct incentives or energy audit programs that can offset the initial cost.

3When is the best time of year to get insulation installed in Lebanon, and does weather affect the installation?

Early fall or late spring are ideal times in Lebanon. These periods typically offer mild, dry weather, which is important for certain installations like spray foam that require specific temperature ranges. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands of our severe summer and winter seasons.

4What should I look for when choosing a local insulation contractor serving the Lebanon area?

Prioritize contractors licensed, bonded, and insured in Illinois. Look for local experience, as they will understand common issues in our area's older home stock, such as knob-and-tube wiring concerns or historic district considerations. Always ask for references from nearby projects and verify they perform a thorough energy audit or assessment before providing a quote.

5My house feels drafty. Is adding insulation the best solution, or are there other common issues in Lebanon homes I should address first?

Insulation is key, but air sealing is the critical first step. Many older Lebanon homes have significant air leaks around windows, doors, and attic penetrations that undermine insulation performance. A reputable local contractor will perform a blower door test to identify these leaks. Addressing air sealing alongside insulation, especially in the attic and rim joists, is the most effective strategy for our climate.