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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon25
    Verified insulation services reviews

Find Insulation pros in Smithton

Avatar for Foam Co.

Foam Co.

4515 Towne Court
5.00(
9
)
Approved Pro

Foam Co.

4515 Towne Court
5.00(
9
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
151 local quotes requested

We are local owned St. Louis insulation provider including, fiberglass/cellusose blown in insulation, Batt Insulation, Spray Foam Insulation, Crawl Space Insulation and Insulation Removal! We come in with the best interest of the homeowner and customize the job to their needs! We pride ourselves in putting the customers needs first!

"Insulation in attic"

Tom R on May 2024

We are local owned St. Louis insulation provider including, fiberglass/cellusose blown in insulation, Batt Insulation, Spray Foam Insulation, Crawl Space Insulation and Insulation Removal! We come in with the best interest of the homeowner and customize the job to their needs! We pride ourselves in putting the customers needs first!

"Insulation in attic"

Tom R on May 2024


Avatar for iFOAM Insulation of O'Fallon

iFOAM Insulation of O'Fallon

949 West Terra Lane
4.86(
7
)
Approved Pro

iFOAM Insulation of O'Fallon

949 West Terra Lane
4.86(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
88 local quotes requested

iFOAM is a U.S.-based insulation franchise fueled by the franchising experts at HorsePower Brands. We specialize in spray foam insulation and also provide best-in-industry blown-in solutions, insulation removal, retrofitting and other specialty project services. At iFOAM, we saw an issue with the industry—a lack of quality and trustworthy services and a clear absence of certified training when it came to spray foam. At iFOAM, we’re flipping the script by providing our certified technicians with the best tools, training and products in the trade and bolstering your experience with prompt, timely communication.

"Job completed as estimated."

Greg M on June 2025

iFOAM is a U.S.-based insulation franchise fueled by the franchising experts at HorsePower Brands. We specialize in spray foam insulation and also provide best-in-industry blown-in solutions, insulation removal, retrofitting and other specialty project services. At iFOAM, we saw an issue with the industry—a lack of quality and trustworthy services and a clear absence of certified training when it came to spray foam. At iFOAM, we’re flipping the script by providing our certified technicians with the best tools, training and products in the trade and bolstering your experience with prompt, timely communication.

"Job completed as estimated."

Greg M on June 2025


Avatar for Foundation Recovery Systems

Foundation Recovery Systems

1625 Larkin Williams Rd
4.76(
42
)

Foundation Recovery Systems

1625 Larkin Williams Rd
4.76(
42
)
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Foundation Recovery Systems, founded in 1992, is a subsidiary of Groundworks, a family of companies that offers superior, proven solutions for your foundation repair, structural repair, crawl space encapsulation, dehumidification, and concrete leveling needs. They currently maintain offices in Kansas City, Moberly, Springfield, and St Louis. Foundation Recovery Systems is a recognized accredited member of the Better Business Bureau and devotes its years of experience, industry knowledge and specialized training to help customers protect their homes or commercial buildings from water damage, concrete sinking, and foundation failure.

"As far as we can tell, the work was effective at stabilizing our foundation, and the on-site crew led by Luke was great, informing us of their progress along the way. However, we expressed in advance our concern about protecting some of our landscaping. We were assured the crew would have boards to cover landscaping on which removed dirt would be piled. This turned out not to be the case. I’ve had quite a bit of expense and labor to restore landscaping that was damaged during the work. This damage could have been avoided. Foundation Recovery sends out $500 coupons to advertise for their work. My attempts to contact Joe and FRS to honor even a part of the $500 coupon to help defray my landscaping costs have gone unanswered. Our salesperson, Joe, was not present during the work and has not been responsive to our followup inquiries. We are very disappointed in the poor customer service from Foundation and its representatives. I cannot recommend this company based on their failure to address our up-front concerns, lack of response to our followup requests, and the false advertising that is associated with the coupons."

Jerry K on September 2025

Foundation Recovery Systems, founded in 1992, is a subsidiary of Groundworks, a family of companies that offers superior, proven solutions for your foundation repair, structural repair, crawl space encapsulation, dehumidification, and concrete leveling needs. They currently maintain offices in Kansas City, Moberly, Springfield, and St Louis. Foundation Recovery Systems is a recognized accredited member of the Better Business Bureau and devotes its years of experience, industry knowledge and specialized training to help customers protect their homes or commercial buildings from water damage, concrete sinking, and foundation failure.

"As far as we can tell, the work was effective at stabilizing our foundation, and the on-site crew led by Luke was great, informing us of their progress along the way. However, we expressed in advance our concern about protecting some of our landscaping. We were assured the crew would have boards to cover landscaping on which removed dirt would be piled. This turned out not to be the case. I’ve had quite a bit of expense and labor to restore landscaping that was damaged during the work. This damage could have been avoided. Foundation Recovery sends out $500 coupons to advertise for their work. My attempts to contact Joe and FRS to honor even a part of the $500 coupon to help defray my landscaping costs have gone unanswered. Our salesperson, Joe, was not present during the work and has not been responsive to our followup inquiries. We are very disappointed in the poor customer service from Foundation and its representatives. I cannot recommend this company based on their failure to address our up-front concerns, lack of response to our followup requests, and the false advertising that is associated with the coupons."

Jerry K on September 2025


Avatar for Window Nation St. Louis

Window Nation St. Louis

1913 Beltway Dr
4.72(
18
)

Window Nation St. Louis

1913 Beltway Dr
4.72(
18
)
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

At Window Nation, we know replacement windows. We’re third-generation window replacement experts who have been lucky to provide homeowners replacement windows, siding, and doors for over fifteen years. We opened our first showroom in Maryland in 2006, quickly growing to serve homeowners in cities across the country – and we’re not stopping there. We’re grateful for every homeowner who has trusted us to upgrade their most important asset: their home. We’ve learned a lot about home improvement over the years, but the most important thing we learned isn’t about window replacement. We learned the home improvement industry isn’t about offering the best windows, siding and doors; it’s about the relationships we build with our customers.

"Professional, timely and best installers we’ve had. Our installers took to time to get everything fit right. They had their hands full with a few doors and windows, due to bad framing from our construction contractor. Our new doors and windows work flawlessly now."

Tony P on September 2025

At Window Nation, we know replacement windows. We’re third-generation window replacement experts who have been lucky to provide homeowners replacement windows, siding, and doors for over fifteen years. We opened our first showroom in Maryland in 2006, quickly growing to serve homeowners in cities across the country – and we’re not stopping there. We’re grateful for every homeowner who has trusted us to upgrade their most important asset: their home. We’ve learned a lot about home improvement over the years, but the most important thing we learned isn’t about window replacement. We learned the home improvement industry isn’t about offering the best windows, siding and doors; it’s about the relationships we build with our customers.

"Professional, timely and best installers we’ve had. Our installers took to time to get everything fit right. They had their hands full with a few doors and windows, due to bad framing from our construction contractor. Our new doors and windows work flawlessly now."

Tony P on September 2025


Avatar for Gonz Insulation

Gonz Insulation

4761 Flat River Rd
No reviews yet

Gonz Insulation

4761 Flat River Rd
No reviews yet

At Gonz Insulation we provide the industry with superior insulation and insulation knowledge. Gonz Insulation performs FREE home energy consultations and with that we show you how you can reduce your energy bills! We specialize in Spray Foam insulation, Fiberglass, Cellulose, Concrete Jacking and protective coating.

At Gonz Insulation we provide the industry with superior insulation and insulation knowledge. Gonz Insulation performs FREE home energy consultations and with that we show you how you can reduce your energy bills! We specialize in Spray Foam insulation, Fiberglass, Cellulose, Concrete Jacking and protective coating.


Veteran's Pride Wildlife Control

412 E South 3rd St
No reviews yet

Veteran's Pride Wildlife Control

412 E South 3rd St
No reviews yet
6 years of experience

A family and veteran owned and operated business here to solve all your nuisance wildlife needs. Our goal is to solve your issue and do everything we can keep it from happening it again. We offer 24 hour service to assist you for the emergeny situations. We have over 25 years of experience in dealing with wildlife removal.

A family and veteran owned and operated business here to solve all your nuisance wildlife needs. Our goal is to solve your issue and do everything we can keep it from happening it again. We offer 24 hour service to assist you for the emergeny situations. We have over 25 years of experience in dealing with wildlife removal.


Avatar for Lake St Louis Construction LLC

Lake St Louis Construction LLC

1121 Mexico Rd
5.00(
29
)

Lake St Louis Construction LLC

1121 Mexico Rd
5.00(
29
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We specialize in James Hardie and LP Siding, we also install Versetta Stone and other exterior products; windows, doors, deck/porches, and other repairs. We work with the customer in what they are visualizing to see in the end, custom work and very detail oriented. We have been in business since 2004, but doing this line of work for many years. Visit our website to book online or view some of our past projects: http://lakestlouisconstructionllc.com

"LOOKS GREAT"

Darren D on December 2020

We specialize in James Hardie and LP Siding, we also install Versetta Stone and other exterior products; windows, doors, deck/porches, and other repairs. We work with the customer in what they are visualizing to see in the end, custom work and very detail oriented. We have been in business since 2004, but doing this line of work for many years. Visit our website to book online or view some of our past projects: http://lakestlouisconstructionllc.com

"LOOKS GREAT"

Darren D on December 2020


Courageous Designs

.
No reviews yet

Courageous Designs

.
No reviews yet
8 years of experience

I mainly work by myself unless the project to much to handle by myself. Please call me if interested. I prefer to quote prices after seeing what I will be working on to make sure I am charging you an accurate and fair price.

I mainly work by myself unless the project to much to handle by myself. Please call me if interested. I prefer to quote prices after seeing what I will be working on to make sure I am charging you an accurate and fair price.


Insulation Matters.com

7214 Twin RIver Rd
5.00(
1
)

Insulation Matters.com

7214 Twin RIver Rd
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We specialize in insulation installation and upgrades. Our employees boast over 20 years of industry experience! We take pride in commitment to the quality of work we produce, and the long-term relationships we build with our clients. We guarantee quality and complete satisfaction. We set ourselves apart from our competitors by offering the highest quality of work combined with experience, guaranteed. Find another company with a lower price and we will beat the competitor's price by 10%. Call today for a free estimate!

"Arrived on time as scheduled. They covered floors and railings with commercial moving blankets to protect floors and railings and did all necessary prep work and inspection in attic. Once all prep work complete, they started adding insulation. When all work was done they cleaned up everything and could not tell they were there other than the second floor was now much cooler. Will definitely recommend."

Don M on June 2018

We specialize in insulation installation and upgrades. Our employees boast over 20 years of industry experience! We take pride in commitment to the quality of work we produce, and the long-term relationships we build with our clients. We guarantee quality and complete satisfaction. We set ourselves apart from our competitors by offering the highest quality of work combined with experience, guaranteed. Find another company with a lower price and we will beat the competitor's price by 10%. Call today for a free estimate!

"Arrived on time as scheduled. They covered floors and railings with commercial moving blankets to protect floors and railings and did all necessary prep work and inspection in attic. Once all prep work complete, they started adding insulation. When all work was done they cleaned up everything and could not tell they were there other than the second floor was now much cooler. Will definitely recommend."

Don M on June 2018


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Insulation questions, answered by experts

STC (Sound Transmission Class) ratings tell you how well something blocks airborne noise. It’s a single number that sums up how much sound a material, like a window, can stop across regular speech frequencies. The higher the number, the better the sound reduction. A typical single-pane window hovers around STC 25 (where you can hear normal conversations), while well-sealed, double-pane options can push past STC 45 (which blocks out loud speech and most music). Just keep in mind that STC doesn’t cover everything—low rumbles like bass or thunder can sneak through—so pairing methods are always ideal for the most peace and quiet.

Insulating ducts prevent or significantly reduce condensation by reducing temperature differences between the duct surface and surrounding air. Proper insulation also minimizes sweating, improves energy efficiency, and prevents moisture damage. However, if humidity levels are unusually high or there are air leaks, additional measures like sealing ducts and using a dehumidifier may be needed.

If you're replacing insulation, it's a good idea to remove the old insulation before adding new. This is especially true if the existing insulation has suffered from water damage or been exposed to pests. You also need to remove old insulation if you'll be installing a new and different type of insulation, such as trading roll or batt insulation for spray foam.

Regular inspections for moisture damage, pest infestations, and proper R-value performance help maintain efficiency.

A-frame houses pose specific challenges that can make heating difficult. Their open concept design with high ceilings can lead to a colder lower floor and a warmer upper floor. A ceiling fan that pushes warm air down or pulls cold air up, depending on the season, can easily counteract temperature issues. Additionally, certain types of heating do better in these homes than others. For example, heated floors tend to be more practical and energy efficient than baseboard heating.

The Smithton, IL homeowners’ guide to insulation services

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