The Best Insulation Contractors in East Saint Louis, IL

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

#1

Gateway Insulation Services

4.8
(180 reviews)
Verified

A leading and highly specialized insulation contractor serving both Missouri and Illinois sides of the river. They are known for their expertise in advanced spray foam and blown-in insulation techniques, and they emphasize comprehensive energy efficiency solutions, including air sealing and energy audits.

100 W Main St, Collinsville, IL 62234 (Approx. 10 miles from East St. Louis)

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

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

Eco Insulation

4.7
(110 reviews)
Verified

Eco Insulation has built a strong reputation in the Metro-East area for its focus on modern, eco-friendly insulation solutions. They are particularly adept at handling complex projects in existing homes, including insulation removal and replacement, and are well-versed in local utility rebates.

2 Terminal Dr, East Alton, IL 62024 (Approx. 15 miles from East St. Louis)

Specialties & Features

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

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Hoffmann Brothers & Sons (Insulation Division)

4.6
(250 reviews)
Verified

As a major home services company in the St. Louis region, Hoffmann Brothers offers a dedicated insulation division. They provide a full suite of services from basement to attic and are known for their professional crews, extensive training, and strong warranty offerings. Their large scale allows them to handle any project size.

2830 Clark Ave, St. Louis, MO 63103 (Serves the entire bi-state area, including East St. Louis)

Specialties & Features

Attic insulation installation
Basement and crawl space insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in East Saint Louis

** The insulation market in East Saint Louis is characterized by a mix of older housing stock and commercial buildings, creating a significant demand for energy efficiency upgrades. While there are few contractors physically based within the city itself, residents and businesses have strong access to a competitive market of providers from neighboring Illinois suburbs (like Collinsville, Edwardsville, and O'Fallon) and the St. Louis, MO metro area. The competition level is moderate to high among established companies, which helps maintain service quality. Typical pricing is influenced by the age of homes and the scale of retrofit required. For a standard attic blown-in insulation job, homeowners can expect prices to range from **$1,500 to $3,500**. Spray foam insulation is a premium service, often costing **$3,000 to $7,000+** depending on the area covered. The presence of utility rebates from providers like Ameren Illinois is a key market driver, and the most reputable contractors are proficient in helping customers navigate these incentive programs to reduce the net cost. Overall, the market is well-served by experienced, licensed professionals who understand the specific climate and architectural challenges of the region.

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 East Saint Louis regulations and climate

Frequently Asked Questions About Insulation in East Saint Louis

Get answers to common questions about insulation services in East Saint Louis, Illinois.

1What is the best type of insulation for my home in East Saint Louis, given our local climate?

For our humid continental climate with hot, humid summers and cold winters, a combination of air sealing and high R-value insulation is key. In attics, blown-in cellulose or fiberglass (R-49 to R-60) is highly effective for temperature extremes. For walls in older homes, dense-pack cellulose or injection foam is excellent for both thermal performance and reducing air infiltration, which is a major energy loss factor here.

2Are there any local rebates or incentives in Illinois for upgrading my home's insulation?

Yes, Illinois homeowners can benefit from the **Illinois Home Performance with ENERGY STAR** program, which offers rebates for comprehensive energy upgrades, including insulation. Additionally, the federal Inflation Reduction Act provides tax credits for qualified insulation improvements. It's crucial to work with a certified contractor who is registered with these programs to ensure you qualify.

3When is the best time of year to install insulation in the East Saint Louis area?

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 temperatures, allowing for proper installation and ventilation of materials like spray foam. Scheduling during these shoulder seasons also avoids the peak summer heat and winter contractor backlog, potentially leading to better availability and pricing.

4What should I look for when choosing an insulation contractor in the Metro East area?

Prioritize contractors who are licensed, insured, and have strong local references. Look for certifications like BPI (Building Performance Institute) or being a "QIC" (Quality Installation Contractor) through the Insulation Contractors Association of America. A reputable local provider will perform a thorough energy audit first, understand the specific challenges of our older housing stock, and be familiar with Illinois building codes and incentive program requirements.

5My older home in East Saint Louis is very drafty. Will adding more attic insulation alone solve my comfort issues?

Not entirely. While increasing attic insulation to the recommended R-49+ is crucial, air sealing is the critical first step, especially in historic homes. Gaps, cracks, and bypasses in the attic floor and around penetrations (plumbing stacks, chimneys, wiring) allow warm, moist summer air and cold winter drafts to enter, undermining your insulation's performance. A professional assessment should always address air leakage before adding bulk insulation.