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  • Verified reviews icon87
    Verified insulation services reviews

Find Insulation pros in Oakville

Avatar for West County Insulation

West County Insulation

5.00(
6
)
Approved Pro

West County Insulation

5.00(
6
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
112 local quotes requested

We are the top insulation contractor in the St. Louis & St. Charles area providing homes and businesses with a safer and healthier home insulation solution. We're able to install and remove insulation of all types such as blown-in insulation, batt & roll, and even spray foam. If you notice your home has been getting hotter in the summer and colder in the winter, it may be due to old insulation. Give us a call today for a free home inspection so we can give you an idea of your home's insulation levels. We install for all areas of your home including your attic, walls, crawl space, and anywhere your new or existing home might need it. Call the insulation company that St. Louis trusts most, West County Insulation.

"Why West County Insulation is the Best Choice for Your Insulation Needs When it comes to insulation, quality and professionalism matter—and that's exactly what I received from West County Insulation. Fast and Knowledgeable Service Brandon, who provided the initial quote, was timely, knowledgeable, and thorough. He explained all my options and made sure I understood everything clearly, giving me confidence in my decision. Professional and Efficient Installation The installation team, led by Andrew and Isaac, was efficient and professional. They used drop cloths to protect my home and completed the job quickly without sacrificing quality. The owner even took the time to check in after hearing about a fall I had during the job—demonstrating the company’s commitment to customer care. Great Quality at a Fair Price The insulation quality is excellent, and my home is already feeling more comfortable. With competitive pricing and outstanding service, West County Insulation offers great value for your investment. If you’re looking for reliable, professional insulation services, I highly recommend West County Insulation."

ANGELA C on March 2025

We are the top insulation contractor in the St. Louis & St. Charles area providing homes and businesses with a safer and healthier home insulation solution. We're able to install and remove insulation of all types such as blown-in insulation, batt & roll, and even spray foam. If you notice your home has been getting hotter in the summer and colder in the winter, it may be due to old insulation. Give us a call today for a free home inspection so we can give you an idea of your home's insulation levels. We install for all areas of your home including your attic, walls, crawl space, and anywhere your new or existing home might need it. Call the insulation company that St. Louis trusts most, West County Insulation.

"Why West County Insulation is the Best Choice for Your Insulation Needs When it comes to insulation, quality and professionalism matter—and that's exactly what I received from West County Insulation. Fast and Knowledgeable Service Brandon, who provided the initial quote, was timely, knowledgeable, and thorough. He explained all my options and made sure I understood everything clearly, giving me confidence in my decision. Professional and Efficient Installation The installation team, led by Andrew and Isaac, was efficient and professional. They used drop cloths to protect my home and completed the job quickly without sacrificing quality. The owner even took the time to check in after hearing about a fall I had during the job—demonstrating the company’s commitment to customer care. Great Quality at a Fair Price The insulation quality is excellent, and my home is already feeling more comfortable. With competitive pricing and outstanding service, West County Insulation offers great value for your investment. If you’re looking for reliable, professional insulation services, I highly recommend West County Insulation."

ANGELA C on March 2025


Avatar for iFOAM Insulation of O'Fallon

iFOAM Insulation of O'Fallon

4.88(
8
)
Approved Pro

iFOAM Insulation of O'Fallon

4.88(
8
)
Approved Pro
Customers say: Quick response
108 local quotes requested
2 years of experience

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 Foam Co.

Foam Co.

5.00(
10
)
Approved Pro

Foam Co.

5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
187 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!

"efficient cleaned up afterward accurate estimate"

Andy D on October 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!

"efficient cleaned up afterward accurate estimate"

Andy D on October 2024


Avatar for Beckerle C & R

Beckerle C & R

No reviews yet

Beckerle C & R

No reviews yet
3 years of experience

We provide many different services such installation, repair, painting, plumbing, electrical, remodeling, add-ons, and new construction. It's literally in our slogan "Taking dreams & building reality", all you got to do is dream it and we will build it!

We provide many different services such installation, repair, painting, plumbing, electrical, remodeling, add-ons, and new construction. It's literally in our slogan "Taking dreams & building reality", all you got to do is dream it and we will build it!


Gunther Infrared

No reviews yet

Gunther Infrared

No reviews yet

Thermal imaging of interior/exterior of home or business. Thermal imaging can reveal moisture, leaks, electrical problems, and heat or energy loss. These problems can be completely invisible to the human eye but easily seen through an infrared camera. Graduating with a degree in physics and have been working with infrared cameras and lasers in the industry for two years. Understanding of the science is just as important as the images themselves.

Thermal imaging of interior/exterior of home or business. Thermal imaging can reveal moisture, leaks, electrical problems, and heat or energy loss. These problems can be completely invisible to the human eye but easily seen through an infrared camera. Graduating with a degree in physics and have been working with infrared cameras and lasers in the industry for two years. Understanding of the science is just as important as the images themselves.


Avatar for Koala Insulation of St. Louis

Koala Insulation of St. Louis

5.00(
2
)

Koala Insulation of St. Louis

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Koala Insulation of St. Louis is an insulation contractor providing high-quality insulation services to homeowners, contractors and property owners. We work with new construction, retrofit applications, and properties affected by natural disasters or that have suffered significant damage. We provide all types of insulation including blown-In cellulose and fiberglass, dense packing, spray foam and batt insulation. Furthermore, we provide a number of energy efficiency upgrades such as air sealing, thermal imaging, hatch and can light covers. If it involves insulating or improving energy efficiency within a building envelope, we can handle it. We offer competitive prices and free insulation evaluations. If you are having a hard time deciding what type of insulation to choose, we can show you all of the options and estimated costs. Our reviews speak for themselves, Koala Insulation is the right choice for all of your insulation needs. We are locally owned and operated, fully insured and licensed. Additionally, all of our services come with a limited lifetime warranty.

"Showed up on time. Excellent job"

Timothy P on August 2021

Koala Insulation of St. Louis is an insulation contractor providing high-quality insulation services to homeowners, contractors and property owners. We work with new construction, retrofit applications, and properties affected by natural disasters or that have suffered significant damage. We provide all types of insulation including blown-In cellulose and fiberglass, dense packing, spray foam and batt insulation. Furthermore, we provide a number of energy efficiency upgrades such as air sealing, thermal imaging, hatch and can light covers. If it involves insulating or improving energy efficiency within a building envelope, we can handle it. We offer competitive prices and free insulation evaluations. If you are having a hard time deciding what type of insulation to choose, we can show you all of the options and estimated costs. Our reviews speak for themselves, Koala Insulation is the right choice for all of your insulation needs. We are locally owned and operated, fully insured and licensed. Additionally, all of our services come with a limited lifetime warranty.

"Showed up on time. Excellent job"

Timothy P on August 2021


Avatar for Window Nation St. Louis

Window Nation St. Louis

4.72(
18
)

Window Nation St. Louis

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

No reviews yet

Gonz Insulation

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.



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Insulation questions, answered by experts

It is normal for the attic to be hotter than the rest of the house in the summer, but only by about 10 or 20 degrees. Attics that aren’t properly insulated or ventilated can reach temperatures of 130 degrees or more which can cause damage to the home’s structure, including the roof, wood framing, and HVAC system.

It improves energy efficiency, reduces noise, enhances indoor comfort, and prevents drafts by filling wall cavities.

At a minimum, blown-in insulation lasts 20 to 30 years. Cellulose and sheep’s wool come from natural materials, so they likely max out at around 30 years. Fiberglass and rockwool feature artificial materials that boast lengthy lifespans, up to 50 years, or even longer in some cases. As always, this timeline assumes you don’t run into any issues, such as flooding or mold, that shorten the lifespan.

Plaster itself has a higher R-value than drywall. However, there are other considerations surrounding plaster and insulation. As a general rule, it's easier to obtain consistency in insulating value and quality when working with drywall rather than plaster. Plaster walls often don't contain any insulation behind the wall covering by design, and careful evaluation is necessary when choosing to add it.

Closed-cell foam may come with a higher price tag, but it’s worth the investment because of its strength and durability. This material offers excellent thermal and moisture resistance, contributing to its long life span. Its construction enhances energy efficiency, which can lead to reduced heating and cooling costs over time.

The Oakville, MO homeowners’ guide to insulation services

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