The Best Insulation Contractors in Mascoutah, IL

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

#1

Koala Insulation of Southwest Illinois

4.9
(150 reviews)
Verified

A highly-rated, modern insulation contractor known for its focus on energy efficiency and a wide range of services, including blown-in attic insulation, spray foam, and insulation removal. They emphasize education and helping homeowners choose the right solution for their budget and home performance goals.

11 Park Pl, Swansea, IL 62226 (Serves Mascoutah and the greater Metro-East area)

Specialties & Features

Blown-in insulation installation
Spray foam insulation
Insulation removal and replacement

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

Summers Home Comfort

4.8
(200 reviews)
Verified

A well-established, full-service HVAC and insulation company. Their integration of insulation services with heating and cooling allows for comprehensive home energy solutions, including energy audits and air sealing to maximize system efficiency.

7201 W Main St, Belleville, IL 62223 (Serves the St. Louis Metro-East, including Mascoutah)

Specialties & Features

Attic insulation installation and upgrade
Energy efficiency audits
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Scott-Lee Heating Company

4.7
(250 reviews)
Verified

A longstanding, trusted name in the region primarily known for HVAC services, but they offer complementary insulation services to ensure complete home comfort and efficiency. Their experience with local building codes and potential utility rebates is a significant asset.

4650 N Illinois St, Swansea, IL 62226 (A key provider for the Mascoutah area)

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Air sealing services

Business Information

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

Why These Are the Top Insulation Contractors in Mascoutah

** The insulation market in Mascoutah, IL, is characterized by strong regional competition from well-established contractors based in nearby hubs like Belleville, Swansea, and O'Fallon. These providers typically serve the entire Metro-East St. Louis area. The average quality of service is high, as these companies must compete in a broader market and maintain strong reputations. Due to Mascoutah's climate with cold winters and hot, humid summers, there is consistent demand for attic insulation, air sealing, and basement/crawl space solutions to improve comfort and reduce energy costs. The competition level is moderate but professional, with several companies offering overlapping services. Homeowners have a good selection of reputable providers to choose from. Typical pricing is competitive with national averages but can vary significantly based on the project scope and material chosen. For example, blown-in cellulose for an attic may range from $1,500 - $3,500, while a full spray foam application can cost $5,000 - $15,000 or more. Many local providers are well-versed in ComEd and other utility rebate programs, which can help offset the cost of energy-efficient upgrades.

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 Mascoutah regulations and climate

Frequently Asked Questions About Insulation in Mascoutah

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

1What is the best type of insulation for my attic in Mascoutah, given our local climate?

For Mascoutah's humid summers and cold winters, blown-in cellulose or fiberglass insulation is highly recommended for attics. These materials provide excellent thermal resistance (R-value) and can be densely packed to minimize air infiltration, which is crucial for managing both summer humidity and winter drafts. We typically aim for an attic R-value of R-49 to R-60, as recommended by the U.S. Department of Energy for our Illinois climate zone.

2How much does attic insulation typically cost for a home in Mascoutah?

For a standard 1,500-square-foot attic in Mascoutah, adding blown-in insulation to achieve R-49 typically costs between $1,500 and $2,800, depending on material choice and existing conditions. Regional pricing is influenced by Illinois's relatively high material and labor costs. It's important to get itemized quotes from local contractors, as many Illinois utilities (like Ameren Illinois) offer rebate programs that can significantly offset this cost for qualified upgrades.

3When is the best time of year to install or upgrade insulation in Mascoutah?

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather in the Mascoutah area, which is optimal for installation and allows contractors to properly assess and seal air leaks. Scheduling during these shoulder seasons also ensures your home is prepared for the peak heating and cooling demands of our humid summers and freezing winters, and you'll avoid the busy winter rush for emergency heat-loss fixes.

4Are there any local Mascoutah or Illinois regulations I should know about before insulating my home?

Yes, you must comply with the Illinois Energy Conservation Code, which sets minimum R-value requirements for different parts of your home. Furthermore, any contractor you hire must be licensed in Illinois. For older homes in Mascoutah's historic districts, it's also wise to check for any local preservation guidelines regarding exterior modifications. Reputable local installers will be familiar with these codes and can pull any necessary permits from the city.

5My house feels drafty in winter. Should I focus on insulating my walls or my attic first?

In Mascoutah, addressing the attic should almost always be the first priority. Heat rises, so an under-insulated attic is the single largest source of heat loss in winter and heat gain in summer. Before adding insulation, a professional should conduct an energy audit to identify and seal major air leaks in the attic floor. Wall insulation is also important, but it is a more invasive and costly project; sealing the attic and ensuring proper attic insulation typically provides the best return on investment for our climate.