Welcome to Saint Louis Insulation

The U.S. Department of Energy's number one recommendation for reducing monthly energy bills is adding insulation - to attic spaces, ceilings, interior walls and crawl spaces. 

St Louis Insulation is a family owned and operated full service weatherization and insulation contractor proudly serving the entire Metropolitan St Louis area dispatching from locations in South County, Saint Peters, University City and Edwardsville.

St. Louis Insulation’s highly trained staff of experienced professionals are passionate about helping home owners save thousands of dollars over the life of their home through the installation of high-quality residential home insulation.

Did you know that 80% of American homes are under insulated?

In fact, adding loose fill, blown in insulation to your attic can reduce your heating & cooling costs by as much as 40%.

Why waste your money paying for utility services that you might not need?

Schedule a free in-home estimate today to find out how we can help save you money & make your home more comfortable. 

Attic Insulation Services

Crawl space insulation is often overlooked but is a critical area that can be subject to wet or damp conditions, air, insect and pest infiltration and often provides ideal conditions for mold and mildew growth. 

Many of the common problems associated with a home's energy loss and air quality come from the crawl space.

Inadequate, contaminated, missing,  failed or improperly installed insulation can lead to higher energy bills, drafts, odors, mold growth and unseen moisture problems.

A properly foam sealed & insulated crawl space combined with a quality vapor barrier can reduce your heating and cooling costs, help seal out pests and insects and make your home much more comfortable in any season.

In fact, properly sealed and insulated crawl spaces ( encapsulation) should have no fiber based insulation whatsoever and be open whenever possible to the conditioned area of your home.

It can also help prevent mold growth, moisture problems, wood rot and decay and costly repair bill in the future. 

Crawl Space Insulation & Encapsulation Services

Making your home more energy efficient can be one of the easiest and most cost effective ways to reduce your heating & cooling costs.

In fact making some smaller and more targeted improvements to the key areas of your home can reduce your heating & cooling costs by as much as 40%.

St. Louis Insulation has the knowledge & experience with homes and construction types from all time periods.

We use our experience working in homes just like yours to help you identify & treat your home's most inefficient areas and make common sense recommendations for energy efficient home upgrades that can save you money and make your home more energy efficient, healthier and comfortable. 

More Info About Our Energy Efficiency Services

Saint Louis Insulation is an established and proven insulation contractor that specializes in installing insulation to existing homes. 

Our Highly trained team of professional installers has the knowledge and resources to complete any insulation project, large or small in both residential or commercial applications.

All of our services are 100% guaranteed and If your not completely satisfied with any aspect of your home insulation project, we will work to make it right. 

Ready to begin? Give us call by calling us toll free at 314-334-0153 or email us to request your free in home consultation. 

The Saint Louis Insulation Difference

St Louis Insulation will recommend the right insulation products for your home improvement dollars - from blow-in cellulose and fiberglass insulation for your attic and walls to our premium foam insulation that can be sprayed on to walls, crawl spaces and foundations.

If your looking for a professional insulation contractor that is focused on providing great service, then the you should consider choosing Saint Louis Insulation for your next insulation job. You will be glad you did.

Contact Us Now To Find Out More Information


Affordable Home Energy Conservation Services

Are you looking to reduce your home energy bills without paying for products or services that you might not need? Our company can help!

St. Louis Insulation is an established and reputable Insulation Contractor that specializes in helping St. Louis area home owners save money by identifying and treating your home's most inefficient areas.

Unlike other insulation contractors, our company uses a custom designed and practical approach towards home energy conservation and insulation. 

This means that we have the skills and knowledge needed to help you save energy without promoting expensive solutions that will take decades to pay for.   

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spray foam insulation can save you energy

Need Help Financing Your Project? 

Do you need help financing your home efficiency upgrade? Are you a Missouri Resident? Are you a SPIRE Gas company customer? If you answered yes to these questions, SPIRE may be able to help with a low interest loan. If you qualify, SPIRE can lend you as much as $5,000.00. These payments can be added right to your gas bill & offer rates as low as 3% APR over a maximum of 60 months!


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We Specialize In The ABC's Of Home Energy Efficiency 

Attic Insulation

Cellulose Insulation in attic

Attic Services

Crawl Spaces

Crawl Space Foam

Crawl Space Services


BPI certified home energy contractors


Explore Our Work 

Air sealing & insulating your home is arguably the most important energy efficiency upgrade that you can make.

Without proper insulation, your home needs larger & more expensive heating and cooling equipment to keep you comfortable and that equipment needs to work harder, consuming more electricity, gas, or oil and costing you money.

On a cold winter night, would you rather have a thick, puffy down-filled blanket or a single thin cotton sheet on your bed to keep you warm?

Think of insulation as the blanket for your home!

You can crank up the thermostat and keep throwing money out the window or you can pick up then phone and give our company a call.

We will have cozy in no time. 


We Are The Insulation Contractor in Metro St. Louis

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