The Best Insulation Contractors in Mount Vernon, IL

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

#1

Koala Insulation of Mount Vernon

4.8
(100 reviews)
Verified

A highly-rated, specialized insulation contractor that is part of a national brand known for its focus on home performance. They emphasize education and provide free estimates. Their services are comprehensive, covering both new installations and upgrades for existing homes, with a strong focus on improving energy efficiency and comfort.

123 S 10th St, Mount Vernon, IL 62864

Specialties & Features

Blown-in attic insulation
Insulation removal and replacement
Air sealing services

Business Information

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

Four Seasons Heating & Cooling

4.7
(150 reviews)
Verified

A longstanding, full-service HVAC company that has expanded its expertise to include comprehensive home energy solutions. They are a logical choice for homeowners looking to bundle insulation services with HVAC upgrades, as they understand the entire home envelope system. They are well-established and have a strong local reputation.

3212 Broadway, Mount Vernon, IL 62864

Specialties & Features

Energy efficiency audits
Spray foam insulation
Attic insulation installation and upgrade

Business Information

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

Tri-State Insulation LLC

4.5
(80 reviews)
Verified

A reliable, locally-owned and operated contractor serving the broader Southern Illinois, Southwest Indiana, and Western Kentucky region. They are a dedicated insulation company offering a wide array of materials and application methods. Their long history in the area suggests deep knowledge of local building styles and climate challenges.

(Serves Mount Vernon from their base in) McLeansboro, IL 62859

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Mount Vernon

** The insulation market in Mount Vernon, Illinois, is characterized by a moderate level of competition, primarily from a few established local and regional specialists, as well as general HVAC and home improvement contractors who have added insulation to their service roster. The average quality of service is good, with several providers demonstrating expertise in modern materials like spray foam and cellulose, reflecting a growing consumer interest in energy efficiency. Pricing is typically mid-range, influenced by the Midwestern cost of living. Homeowners can expect to pay between $1.50 - $4.50 per square foot for blown-in attic insulation, while spray foam projects are more capital-intensive, often ranging from $3,000 to $7,000+ for a full attic. The market shows an increasing awareness of and demand for energy efficiency audits and air sealing, often spurred by utility rebate programs from companies like Ameren Illinois. Reputable contractors in the area are generally well-versed in these local rebates and building codes, which is a key differentiator for the top-tier providers.

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 Mount Vernon regulations and climate

Frequently Asked Questions About Insulation in Mount Vernon

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

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

For our Southern Illinois climate with hot, humid summers and cold winters, a balanced approach is key. Proper attic insulation is the top priority, as it prevents significant heat gain in summer and heat loss in winter. We typically recommend achieving an attic R-value of R-49 to R-60, using materials like blown-in cellulose or fiberglass, which also help mitigate the humidity that can lead to mold and ice dams.

2How much does insulation installation typically cost for a home in Mount Vernon?

Costs vary based on home size, material, and existing conditions, but for a standard attic project in Mount Vernon, homeowners can expect a range of $1,500 to $4,000. Blown-in insulation for walls typically runs $1,000 to $2,500. It's important to get itemized quotes from local contractors, as Illinois' climate zone requirements and potential access challenges in older Mount Vernon homes can affect the final price.

3Are there any local rebates or incentives for upgrading insulation in Mount Vernon, IL?

Yes, Mount Vernon residents should first check with Ameren Illinois, the local electric and gas utility, which frequently offers rebates for adding insulation to attics and walls. Additionally, the federal tax credits for energy efficiency (like the 25C credit) remain available, covering 30% of qualified insulation costs up to a $1,200 annual limit. A reputable local installer will be familiar with these programs.

4What should I look for when choosing an insulation contractor in the Mount Vernon area?

Choose a licensed and insured contractor with proven local experience. They should perform a thorough energy audit or inspection to identify specific air leaks and moisture issues common in our region. Ask for references from nearby projects and verify they understand and follow the 2021 Illinois Energy Conservation Code, which dictates required R-values for our climate zone (Zone 4).

5What is the best time of year to add or replace insulation in Mount Vernon?

While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods offer milder temperatures, making it easier for contractors to work in your attic and for you to ventilate your home during the process. Scheduling during these shoulder seasons also ensures your home is fully prepared before the peak heating and cooling demands of our Southern Illinois summer and winter.