Top Rated Insulation Contractors Serving St. Louis County, MO
Last Updated May 15, 2026
2690 Review Ratings and 8 Insulation Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Norse Construction, LLC
Norse Construction, LLC provides insulation services for residential and commercial clients St. Louis and the surrounding areas. The company’s technicians are qualified to work on all types of insulation projects, and they prioritize customer service every step of the way.
Services
Insulation including spray foam insulation, garage door insulation, attic insulation, foam board insulation, blown in insulation, rockwool insulation, fiberglass insulation, air sealing, roof insulation, ceiling insulation, insulation remova and thermal insulation.
Coverage Areas
The St. Louis Area, including St. Louis County—key cities including Chesterfield, Ballwin, Eureka, Fenton, Florissant, Glencoe, Grover, Hazelwood, Maryland Heights, Bridgeton, Earth City, Saint Ann, Valley Park and Saint Louis.
- 476 Old Smizer Mill Rd Suite 118
- Fenton, MO 63026
Holper's Insulation & Weatherization
Holper's Insulation & Weatherization provides a variety of insulation services for residential and commercial throughout the St. Louis area. The company is qualified to work on everything from rockwool insulation and insulation removals to radiant barrier insulation and reflective insulation, and its employees ensure safety and transparent pricing on every job.
Services
Insulation including blown in insulation, roof insulation, rockwool insulation, thermal insulation, air sealing, outdoor pest preventative treatment, termite extermination, wildlife control or removal, bed bug extermination, cockroach extermination, pest inspection, indoor pest preventative treatment, spider extermination and tick or mite extermination.
Coverage Areas
The St. Louis Area, including St. Louis County—key cities including Dupont, Westminster, Commerce City, Aurora, Henderson, Eastlake, Brighton, Strasburg, Thornton and Bennett.
- 9223 Gravois Rd
- Affton, MO 63123
Peterson Energy Consultants
Peterson Energy Consultants provides a wide range of insulation services for residential and commercial clients throughout St. Louis County. The company has the in-house capabilities to handle everything from attic insulation and roof insulation to basement insulation and air sealing, and its technicians prioritize customer satisfaction in every aspect of their work.
Services
Insulation including ceiling insulation, fiberglass insulation, attic insulation, thermal insulation, insulation removal, building energy audit and insulation installation.
Coverage Areas
The St. Louis Area, including St. Louis County—key cities including Eastlake, Brighton, Strasburg, Thornton, Bennett, Dupont, Westminster, Commerce City, Aurora and Henderson.
- 363 Gravois Place
- Fenton, MO 63026
Al's Handyman Service
AI’s Handyman Service offers insulation services to residential clients in St.Louis And other nearby cities.The company’s technicians are qualified to work on all types of insulation projects, and they’re known for their dedication to professionalism and customer service.
Lakeside Renovation & Design
Lakeside Renovation & Designprovides insulation services for residential clients throughout theSt.Louis region. The company is qualified to work on all types of insulation projects, each of which is backed by high-quality workmanship and customer service.
Services
Siding, Windows, Doors, Custom Designed Porches, Patios, Room Additions & Interior Renovations.
Coverage Areas
Franklin, Madison, Monroe, Saint Charles Mo, Saint Clair
- 139 Chesterfield Industrial Blvd
- Chesterfield, MO 63005
Anchor Roof Repair/EZ HOME IMPROVEMENTS
Anchor Roof Repair/EZ Home Improvementsprovides a variety of insulation services for residential and commercial clients in St.Louisand its suburbs. The company is qualified to work on all types of insulation projects, each of which is designed to meet the client’s budget requirements.
Services
Roofing Contractors
Coverage Areas
Hazelwood Area
- 306 Utz Lane
- Hazelwood, MO 63042
2 Nice Guys Termite & Pest Control
Services
Pest Control, Wildlife Control
Coverage Areas
Imperial Area
- Plaza Executive Suites 17295 Chesterfield Airport Road Suite 200
- Chesterfield, MO 63005
Koala Insulation
Koala Insulation of Gateway West provides a variety of insulation services for residential and commercial throughout the St. Louis area. The company is qualified to work on everything from ceiling insulation and duct insulation to crawl space insulation and radiant barrier insulation, and its employees ensure safety and transparent pricing on every job.
Services
Insulation including garage door insulation, thermal insulation, roof insulation, insulation removal, attic insulation, spray foam insulation, blown in attic insulation, insulation removal services, batt insulation installation, solar attic fans, air sealing service and crawl space encapsulation.
Coverage Areas
The St. Louis Area, including St. Louis County—key cities including Henderson, Eastlake, Brighton, Strasburg, Thornton, Bennett, Dupont, Westminster, Commerce City and Aurora.
- 13761 Saint Charles Rock Rd Ste 116
- Bridgeton, MO 63044
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
Meet or exceed a
ONE AllRatings star score of 4.5.
Indicates the final super-composite calculation of all reviews scores from all sources, optimized for accuracy and recency.
Read ONE AllRatings methodologyRating Step 2 = License
Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
Meet our research specialist team
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