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Best Insulation Contractors in St. Louis

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St. Charles, MO 63301St. Charles, MO 63301

Addict Insulation is a family-owned St. Charles insulation company with 15 years of industry experience. The business is dedicated to its community and to helping customers save money by reducing energy costs. Free on-site estimates are available and can be scheduled by contacting the licensed and insured company directly. Services include blown, Batting, commercial, and soundproof insulation.

St. Charles, MO 63301St. Charles, MO 63301

Website(314) 656-1410

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

1 (Good)

Average Review Score:

5 / 5 ( Best)

Total Reviews:

2 (Good)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

St. Louis, MO 63132St. Louis, MO 63132

Classic Aire Care is a family-owned furnace, air conditioning, and plumbing business in St. Louis. The company first opened its doors in 1926 and only employs the "most highly skilled technicians and journeyman plumbers." Services include full home energy audits, air sealing, duct replacement and cleaning. The company also sells and installs humidifiers, air cleaners, and programmable thermostats.

St. Louis, MO 63132St. Louis, MO 63132

Website(314) 352-1111

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

3 (Best)

Average Review Score:

4.8 / 5 ( Best)

Total Reviews:

1769 (Best)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

St Peters, MO 63376St Peters, MO 63376

Faszold Heating and Cooling is a family-owned St. Peters company featuring a team of service technicians, energy consultants, installers, and salesmen. The business was founded in 1980 and offers services such as home energy audits, air conditioning and heating repair and installation, and geothermal systems. The company also installs cellulose insulation, which reduces radiant heat flow, lowers energy costs, resists mold and mildew, and stops the spread of fire.

St Peters, MO 63376St Peters, MO 63376

Website(636) 397-1237

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

1 (Good)

Average Review Score:

5 / 5 ( Best)

Total Reviews:

3 (Good)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

St. Louis, MO 63127St. Louis, MO 63127

Foam Engineers is a St. Louis company owned and operated by a mechanical engineer with extensive knowledge of building science principles. The company is certified by the Missouri Department of Natural Resources as a Missouri home energy auditor and features a team of professionally trained and certified installers. Services include spray foam, cellulose, fiberglass, and hybrid insulation.

St. Louis, MO 63127St. Louis, MO 63127

Website(314) 378-0339

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

2 (Better)

Average Review Score:

4.5 / 5 ( Best)

Total Reviews:

3 (Good)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

Dupo, IL 62239Dupo, IL 62239

Goley Insulation first opened its doors in 1973 in Dupo to serve the central Midwest and St. Louis metro. The company specializes in spray foam, fiberglass, and cellulose insulation and provides a range of energy-saving services and products for new construction and pre-existing homes. In client testimonials, the business is highly recommended and described as professional, courteous, and "top notch." Free estimates can be requested by submitting an online form.

Dupo, IL 62239Dupo, IL 62239

Website(618) 286-3355

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

1 (Good)

Average Review Score:

4 / 5 ( Best)

Total Reviews:

2 (Good)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

Valley Park, MO 63088Valley Park, MO 63088

Green Space Construction is a locally based and family owned company in Valley Park serving the St. Louis area and surrounding communities. The business focuses primarily on green building and energy efficiency upgrades. The company was founded in 2009 as an attic insulation contractor to install blown-in fiberglass and cellulose insulation, but has since grown into a "complete team of energy efficiency experts, technicians, estimators, and applicators." The company is BBB accredited with a rating of A+.

Valley Park, MO 63088Valley Park, MO 63088

Website(636) 675-3330

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

2 (Better)

Average Review Score:

5 / 5 ( Best)

Total Reviews:

9 (Good)

Score Consistency:

Consistent (Best)

Earth City, MO 63045Earth City, MO 63045

Henges Insulation is a division of Jay Henges Enterprises, an Earth City company that employs over 100 certified union installers. The company has over 70 years of experience in commercial, retail, and residential interior finishes and construction projects. The company's team takes job-site safety seriously and participates in routine safety meetings and trainings. Insulation types available for installation include cellulose, fiberglass, blown, Batt, and spray foam. Additional services include home energy audits and consultations.

Earth City, MO 63045Earth City, MO 63045

Website(636) 364-8040

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

2 (Better)

Average Review Score:

4.2 / 5 ( Best)

Total Reviews:

5 (Good)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: --

St. Louis, MO 63119St. Louis, MO 63119

Massey Tuckpointing & Masonry is a certified women's business enterprise and a family-owned company in St. Louis. The BBB has awarded the company a rating of A+. Employees are licensed, bonded, insured, and drug tested to ensure the safety and satisfaction of customers. The company does not require any deposit or down payment before work begins. The menu of services includes brick and chimney repairs, flue liners, caulking, and insulation.

St. Louis, MO 63119St. Louis, MO 63119

Website(314) 200-9488

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

1 (Good)

Average Review Score:

4.7 / 5 ( Best)

Total Reviews:

65 (Best)

Score Consistency:

Consistent (Best)

Wildwood, MO 63038Wildwood, MO 63038

McQuerry's 24 Hour Heating and Air is a locally owned business in Wildwood, specializing in indoor air quality and home comfort. The company has over 25 years of industry experience and is built on the philosophy of "treating clients with courtesy and always putting their needs first." Services include heating and air conditioning installation, repair, and maintenance, air duct cleaning, humidification, and blown-in insulation. The company installs environmentally-friendly insulation to act as a fire retardant and insect repellent and to reduce outside noise inside clients' homes.

Wildwood, MO 63038Wildwood, MO 63038

Website(636) 458-4100

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

2 (Better)

Average Review Score:

4.7 / 5 ( Best)

Total Reviews:

28 (Best)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

Maryland Heights, MO 63043Maryland Heights, MO 63043

Midwest Insulation is a Maryland Heights company providing insulation services for new construction, commercial, and residential applications. The company is a certified energy expert through Owens Corning and BBB accredited with a rating of A+. Residential services include Batt, blown-in-blanket, cellulose, and spray foam insulation, as well as air sealing and old insulation removal.

Maryland Heights, MO 63043Maryland Heights, MO 63043

Website(314) 440-8556

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We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

Belleville, IL 62226Belleville, IL 62226

Rebel, Inc. has been providing Belleville and surrounding areas with professional insulation services and gutter and downspout installations since 1993. Insulation services are available for both residential and commercial applications. The business also offers REScheck inspections to determine whether new construction projects adhere to the International Energy Conservation Code. Customers can request free estimates by contacting the company directly.

Belleville, IL 62226Belleville, IL 62226

Website(618) 235-0582

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We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

St. Louis, MO 63130St. Louis, MO 63130

SmartHouse Heating and Cooling is a St. Louis company featuring a "multidisciplinary team" of licensed heating and cooling technicians, certified building analysts, envelope and shell experts, builders, architects, and nationally certified energy raters. The menu of services includes air conditioning and heating repairs and service, energy audits, furnace tune-ups, geothermal systems, and insulation and air sealing. The company is BBB accredited with a rating of A+ and affiliated with the US Green Building Council and Energy Star. Insulation and air sealing services are currently eligible for a 10% discount covering up to $200.

St. Louis, MO 63130St. Louis, MO 63130

Website(314) 325-6836

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We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

2 (Better)

Average Review Score:

5 / 5 ( Best)

Total Reviews:

211 (Best)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

Glen Carbon, IL 62034Glen Carbon, IL 62034

St. Louis Insulation is a family owned and operated weatherization and insulation contractor in Glen Carbon serving the St. Louis metro and surrounding communities. The company is a certified insulation contractor and specializes in installing and upgrading insulation in existing homes. All services are 100% guaranteed and free in-home estimates are available.

Glen Carbon, IL 62034Glen Carbon, IL 62034

Website(866) 349-0017

Show Number

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.

Online Profiles:

1 (Good)

Average Review Score:

5 / 5 ( Best)

Total Reviews:

1 (Good)

Score Consistency:

Consistent (Best)

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.

Responsiveness: A+

Friendliness: A+

Helpfulness: A+

Detail: A+

Frequently Asked Questions:

Q: What does R-value mean in insulation?
A: The R-value of an insulating material refers to how well it prevents the flow of heat. The higher the R-value, the more effective a material is as an insulator. The R-value of insulation is typically expressed per inch of material thickness.
Q: Does fiberglass insulation burn?
A: No. Fiberglass is nonflammable and doesn’t burn. If it’s exposed to an open flame or reaches a high enough temperature, it will simply melt. However, if backing materials such as foil or paper are attached to fiberglass insulation, they may burn.
Q: What is an electrical insulator?
A: An electrical insulator is a material that doesn’t let electrical impulses pass freely through it. Electrical insulators may be used to coat wires or cables to prevent electrical shocks. Effective electrical insulators include:
  • Rubber
  • Glass
  • Air
  • Plastic
  • Fiberglass
  • Porcelain
  • Quartz

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