The Best Insulation Contractors in Saint Ann, MO

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

#1

Gateway Insulation & Energy Solutions

4.8
(180 reviews)
Verified

A highly-rated, locally-owned and operated company specializing in comprehensive home performance upgrades. They are recognized for their expertise in energy audits and air sealing, which they use to recommend the most effective insulation solutions. Their strong focus on customer education and resolving specific home comfort issues sets them apart.

104 Cassens Ct, Fenton, MO 63026 (Approx. 10 miles from Saint Ann)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Eco Insulation

4.7
(150 reviews)
Verified

Eco Insulation has built a strong reputation in the St. Louis region for its professional crew and high-quality installation work. They offer a wide range of insulation types and are particularly noted for their blown-in and batt insulation services for attics and walls. They emphasize improving home energy efficiency and comfort.

211 Chesterfield Industrial Blvd, Chesterfield, MO 63005 (Approx. 20 miles from Saint Ann)

Specialties & Features

Blown-in insulation installation
Attic insulation installation and upgrade
Wall insulation services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Koala Insulation of West St. Louis County

4.9
(90 reviews)
Verified

As part of a national brand with a local franchise, Koala Insulation brings a structured process and strong customer service focus. They are known for providing free estimates and detailed explanations of their services, which include insulation removal—a key differentiator. They serve both residential and commercial properties.

14383 Manchester Rd, Manchester, MO 63011 (Approx. 15 miles from Saint Ann)

Specialties & Features

Insulation removal and replacement
Basement and crawl space insulation
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Saint Ann

** The insulation market in Saint Ann, and the greater St. Louis area, is competitive and served by a mix of specialized insulation contractors and full-service home performance companies. The average quality is high, with several established players holding industry certifications (like BPI) and manufacturer credentials (e.g., for Owens Corning or CertainTeed products). The competition level is **moderate to high**, which benefits consumers through competitive pricing and a focus on service quality. Homeowners in Saint Ann are typically dealing with older housing stock (common in North St. Louis County), making services like insulation removal, air sealing, and attic upgrades particularly relevant for improving energy efficiency and comfort. **Typical Pricing:** Costs can vary significantly based on the project scope and material. * **Blown-In Attic Insulation:** $1,500 - $3,500 for an average home. * **Spray Foam Insulation (closed-cell):** $1.50 - $3.00 per board foot (highly effective but premium cost). * **Wall Insulation (blown-in):** $1,000 - $3,500 depending on wall area and accessibility. * **Insulation Removal:** $1 - $3 per square foot of removed material. Many providers offer free estimates and can advise on potential rebates from local utilities like Ameren Missouri, making professional upgrades a more accessible investment for homeowners in Saint Ann.

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 Saint Ann regulations and climate

Frequently Asked Questions About Insulation in Saint Ann

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

1What is the most cost-effective type of insulation for my Saint Ann home given our local climate?

For our humid continental climate with hot summers and cold winters, blown-in fiberglass or cellulose in attics is often the most cost-effective upgrade. These materials excel at filling irregular spaces in older homes common in Saint Ann, providing strong thermal resistance (R-value) and some moisture control. Spray foam, while more expensive upfront, offers superior air sealing and is highly effective for basement rim joists and crawl spaces to prevent drafts and moisture intrusion.

2Are there specific local regulations or permits required for insulation work in Saint Ann, Missouri?

Saint Ann follows the building codes of St. Louis County, which generally do not require a permit for non-structural retrofit insulation work like adding batts or blown-in material. However, if the project involves altering framing, electrical, or HVAC systems, a permit may be needed. A reputable local installer will know and handle all necessary code compliance, especially for critical barriers like vapor retarders, which are important for our region's humidity.

3When is the best time of year to get insulation installed in Saint Ann?

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for proper installation, especially for attic work where extreme summer heat can be dangerous for workers and affect some materials. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands of our Missouri summer and winter.

4How do I choose a reliable insulation contractor in the Saint Ann area?

Always verify the contractor is licensed and insured in Missouri. Look for established local companies with strong reviews and ask for references from projects in nearby suburbs like Bridgeton or Florissant. A trustworthy provider will perform a thorough energy audit or inspection, provide a detailed written estimate breaking down materials (R-values), labor, and any air sealing, and clearly explain any available rebates from utilities like Ameren Missouri.

5My older Saint Ann home feels drafty. Should I focus on the attic or walls first?

In nearly all cases, prioritize the attic. Heat rises, so inadequate attic insulation is the primary source of heat loss in winter and heat gain in summer, leading to high energy bills. Air sealing the attic floor (around wiring, plumbing stacks, and chimneys) before adding insulation is a critical, cost-effective step. Wall insulation is important but is a more invasive and costly project; an energy audit can help determine if your specific wall cavities are a secondary priority.