The Best Insulation Contractors in Fenton, MO

Compare the highest-rated insulation professionals in Fenton, Missouri. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

All Seasons Insulation & Roofing

4.8
(200 reviews)
Verified

A highly-rated, locally-owned company with a strong focus on comprehensive insulation services and energy efficiency solutions. They are known for their professionalism and expertise in both retrofitting existing homes and working on new constructions. They often promote their knowledge of local utility rebates.

1 Industrial Park Dr, Fenton, MO 63026

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Energy efficiency audits

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Koala Insulation of South County

4.9
(150 reviews)
Verified

Part of a national brand with a strong local franchise, Koala has built an excellent reputation for thoroughness and customer education. They specialize in all types of blown-in and batt insulation and emphasize air sealing as a critical component of their service.

1055 Gravois Rd, Fenton, MO 63026 (This is a common commercial area for service businesses)

Specialties & Features

Blown-in insulation
Insulation removal and replacement
Air sealing services

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

St. Louis Insulation Systems

4.7
(180 reviews)
Verified

A well-established contractor known for handling complex projects, including basement, crawl space, and wall insulation. They have extensive experience with spray foam applications and are often recommended for resolving chronic moisture and temperature control issues.

While their main office is in St. Louis, they have a significant presence and frequently service the Fenton area. A representative address for their service territory would be near the I-44 corridor.

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Wall insulation services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Fenton

** The insulation market in Fenton, Missouri, is competitive and served by a mix of specialized local contractors and larger St. Louis-based companies. The average quality is high, as contractors must be well-versed in dealing with the region's varied climate—hot, humid summers and cold winters—which demands effective insulation and air sealing for year-round comfort and energy savings. **Competition Level:** Moderate to High. Homeowners have several excellent options, which helps maintain strong service standards and competitive pricing. **Typical Pricing:** Costs are in line with national averages but can vary significantly based on the insulation material and home size. * **Blown-in Cellulose/Fiberglass Attic Insulation:** $1,500 - $2,800 * **Spray Foam Insulation (Closed Cell):** $1.50 - $3.00 per board foot (highly variable based on project complexity). * **Whole-House Air Sealing & Insulation Upgrade:** $3,000 - $7,000+ A key factor in the local market is awareness of **energy efficiency rebates**. Reputable providers in the Fenton area are typically knowledgeable about rebate programs from local utilities like Ameren Missouri, which can substantially reduce the net cost of insulation and air sealing projects for qualified homeowners. It is always recommended to request a detailed, itemized quote that includes a rebate eligibility assessment.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Fenton regulations and climate

Frequently Asked Questions About Insulation in Fenton

Get answers to common questions about insulation services in Fenton, Missouri.

1What is the best type of insulation for my attic in Fenton, given our local climate?

For Fenton's humid summers and cold winters, a combination of air sealing and blown-in cellulose or fiberglass insulation is highly effective. We recommend achieving an attic insulation level of R-49 to R-60, which is the Department of Energy's recommended zone for Missouri (Climate Zone 4). This level significantly reduces heat loss in winter and heat gain in summer, directly combating our seasonal temperature extremes and improving year-round comfort.

2How much does attic insulation installation typically cost for a Fenton home?

Costs vary based on home size, existing insulation, and material, but for a standard 1,500 sq ft attic in Fenton, homeowners can expect to invest between $1,500 and $3,500 for professional blown-in insulation to reach R-49. Regional material costs and local labor rates influence this range. It's crucial to get itemized estimates from local providers that detail the R-value, square footage, and any necessary air sealing work, which is a critical first step.

3When is the best time of year to install or upgrade insulation in Fenton?

While insulation can be installed year-round, the ideal times in Fenton are late spring (April-May) and early fall (September-October). These periods typically offer milder temperatures, making it safer for contractors to work in your attic and allowing for proper ventilation during installation. Scheduling during these shoulder seasons also ensures your home is fully prepared before the peak heating and cooling demands of our St. Louis-area summer and winter hit.

4Are there any local rebates or incentives for insulation upgrades in Missouri?

Yes, Missouri homeowners should first check with Ameren Missouri or Spire Energy, the major local utilities serving the Fenton area, for current rebate programs on insulation and air sealing. Additionally, the federal tax credits for energy efficiency improvements (like 25C) often apply to qualified insulation projects, providing a credit based on cost. It's wise to ask your local insulation contractor, as they are usually up-to-date on the latest available incentives.

5What should I look for when choosing a local Fenton insulation contractor?

Always verify the contractor is licensed and insured to work in Missouri. Choose a company with strong local references and experience specifically with homes in the St. Louis region, as they will understand our climate challenges and common home construction styles. A reputable provider will perform a thorough energy assessment, provide a detailed written estimate specifying materials and R-values, and clearly explain the work process, including how they will manage indoor air quality during the project.