Compare the highest-rated insulation professionals in Saint Louis, Missouri. All contractors are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated company highly regarded for its expertise in spray foam and blown-in insulation. They are frequently praised for their detailed energy audits and thorough air sealing services, which help homeowners significantly reduce utility bills. They are a Certified BPI Building Analyst, underscoring their commitment to energy efficiency.
This company has a strong local reputation and a long history of serving the St. Louis region. They offer a comprehensive range of insulation services and are known for their professionalism and knowledge of local building codes and utility rebate programs. They are a CertainTeed SELECT Certified Contractor.
Specializing in making homes more comfortable and energy-efficient, Insulation Solutions is noted for its excellent customer service and effective work in basements and crawl spaces. They use high-quality materials like cellulose and fiberglass blown-in insulation and are well-versed in tackling the specific moisture challenges of the St. Louis climate.
The insulation market in Saint Louis is competitive and service-oriented, driven by the city's distinct seasonal climate with hot, humid summers and cold winters, creating a strong demand for effective thermal and air sealing. The average quality of providers is high, with several long-standing, reputable companies holding professional certifications from organizations like BPI and being approved installers for major manufacturers (CertainTeed, Owens Corning). This indicates a market where expertise and quality installation are key differentiators. Competition helps keep pricing reasonable. Typical costs can range from **$1,500 to $4,500** for a standard attic blow-in insulation project, while full-home spray foam installations can range from **$8,000 to $15,000+**, heavily dependent on the square footage and R-value required. Many providers actively promote and assist customers with available utility rebates from providers like Ameren Missouri, adding significant value to their services.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Saint Louis regulations and climate
Get answers to common questions about insulation services in Saint Louis, Missouri.
For our humid continental climate with hot, humid summers and cold winters, a balanced approach is key. Attic insulation (typically blown-in cellulose or fiberglass to achieve R-49 to R-60) is the top priority to combat extreme temperature swings. Additionally, properly insulating basement rim joists and crawl spaces is crucial to control the moisture prevalent in our region and prevent cold floors and drafts.
Costs vary significantly based on home size, insulation type, and areas addressed. For a standard attic project in the St. Louis area, homeowners can expect to pay between $1,500 and $3,500. Missouri's moderate cost of living keeps prices competitive, but it's essential to get itemized quotes from local providers that include materials, labor, and any necessary air sealing, which is a critical companion service.
Fall and spring are ideal seasons for insulation work in St. Louis. These periods offer milder temperatures, making it safer for contractors to work in attics and allowing for proper curing of certain materials like spray foam. Scheduling during these off-peak seasons can also lead to better availability from reputable local contractors compared to the high-demand summer and winter months.
Yes, Spire Missouri (formerly Laclede Gas) offers rebates for adding insulation to qualifying gas-heated homes, which are common in the St. Louis area. Additionally, the federal tax credits for energy efficiency improvements (26C) are still available, covering a percentage of qualified insulation material costs. Always check with your insulation contractor and utility provider for the most current program details.
Prioritize local, licensed, and insured contractors with strong references in the metro area. Look for companies experienced with Missouri's building codes and the specific moisture challenges of our region. A trustworthy provider will perform a thorough energy audit or assessment before quoting, clearly explain the recommended R-values for our climate zone (Zone 4/5), and offer detailed warranties on both materials and labor.