Compare the highest-rated insulation professionals in KC, Missouri. All contractors are licensed, insured, and verified through our rigorous screening process.
A+ Insulation is a family-owned and operated leader in the KC metro area, known for its comprehensive home performance services. They strongly emphasize energy audits and air sealing to maximize the effectiveness of their insulation work. Their technicians are highly trained, and they are often recognized for their excellent customer service and clean installations.
As the name suggests, this provider specializes in spray foam applications but offers a full suite of insulation services. They are particularly noted for their expertise in complex projects, including new construction, commercial properties, and historic home upgrades. They are well-versed in modern building science and local code requirements.
Energy Saving Pros focuses on creating more comfortable and energy-efficient homes through high-performance insulation and air sealing. They offer free estimates and energy consultations. Customer reviews frequently highlight their professionalism, clear communication, and effectiveness in solving specific comfort issues like cold rooms or high energy bills.
The insulation market in Kansas City is robust and competitive, driven by the region's variable climate with hot, humid summers and cold winters, which creates a strong demand for energy-efficient home solutions. The average quality of service is high, with several long-standing, reputable contractors serving the area. Homeowners have a good range of choices between large, established companies and specialized, high-performance providers. Competition helps keep pricing relatively fair. Typical project costs can vary widely: basic attic blown-in cellulose can range from $1,500 to $3,500, while a full attic spray foam job can range from $4,500 to $10,000+ depending on square footage and foam type. Wall insulation and complex air sealing projects add significant cost but also deliver substantial energy savings. Many local providers are knowledgeable about Missouri and Kansas-specific energy rebates from utilities like Evergy and Spire, which can help offset project costs.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with KC regulations and climate
Get answers to common questions about insulation services in KC, Missouri.
For Kansas City's climate zone (Zone 4), the U.S. Department of Energy recommends an attic R-value of R49 to R60. This high recommendation is due to our region experiencing both hot, humid summers and cold winters with significant temperature swings. Properly meeting this R-value is crucial for maintaining home comfort, reducing energy bills for both heating (gas/electric) and cooling, and preventing issues like ice dams in winter.
For a standard 1,500 sq ft attic, adding blown-in cellulose or fiberglass insulation to achieve the recommended R-49 level typically costs between $1,500 and $3,000. Final pricing depends on the existing insulation depth, the material chosen, and the attic's accessibility. It's important to note that Missouri offers sales tax exemptions on materials for certain energy-efficient upgrades, and local utilities like Evergy may provide rebates, which can reduce the net cost.
While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer milder weather, making it easier for contractors to perform thorough work and for your HVAC system to be tested effectively. Avoiding the peak of summer heat or winter cold also helps prevent exposing your home to extreme temperatures during the installation process.
Always verify the contractor is licensed and insured in Missouri. Look for established local companies with strong reviews and ask if they perform a pre-installation energy audit or use infrared cameras to identify specific air leaks and missing insulation. A reputable KC contractor will be knowledgeable about local building codes, the specific challenges of our older housing stock, and available utility rebate programs to maximize your savings.
Not always. In many historic Kansas City homes, air sealing is actually more critical than adding insulation. Gaps, cracks, and leaks in the attic, basement, and around windows/doors allow conditioned air to escape, undermining even high R-value insulation. A comprehensive approach that includes air sealing the attic floor, band joists, and penetrations, followed by adding the correct amount of insulation, is the most effective strategy for improving comfort and efficiency.