The Best Insulation Contractors in Troy, MO

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

#1

Gateway Insulation Services

4.8
(110 reviews)
Verified

A highly-rated, locally-owned and operated company specializing in a comprehensive suite of insulation services. They are frequently recommended for their expertise in spray foam and blown-in insulation, and they emphasize energy efficiency and proper air sealing in their work. Their strong focus on residential properties makes them a top choice for homeowners in the area.

5 Professional Drive, Suite A, Wentzville, MO 63385

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Air sealing services

Business Information

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

Weiss Insulation

4.7
(85 reviews)
Verified

A family-owned business with a long history in the region, Weiss Insulation has built a strong reputation for reliability and quality workmanship. They offer a wide range of insulation types and are known for their thorough insulation removal and replacement services, particularly in attics and crawl spaces. Their longevity speaks to their consistent customer satisfaction.

10 Westwood Industrial Park, O'Fallon, MO 63366

Specialties & Features

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

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Koala Insulation of St. Charles & St. Louis

4.9
(150 reviews)
Verified

As part of a national brand with a strong local franchise, Koala Insulation brings a systematic approach and extensive training to their services. They are particularly noted for their free energy audits, which help homeowners make informed decisions. Their service menu is all-encompassing, and their high number of stellar reviews indicates excellent customer service and project follow-through.

3899 Mexico Road, St. Charles, MO 63303

Specialties & Features

Energy efficiency audits
Blown-in cellulose insulation
Insulation removal

Business Information

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

Why These Are the Top Insulation Contractors in Troy

** The insulation market in Troy, Missouri, and the broader Lincoln County area is moderately competitive, characterized by a mix of a few highly specialized local contractors and several larger regional companies based in neighboring St. Charles County. The quality of service available is generally high, as these companies must adhere to both national energy standards (like ENERGY STAR) and specific Missouri building codes to qualify for local utility rebates, such as those from Ameren Missouri. The competition level is sufficient to provide homeowners with quality options, but not so saturated that finding immediate availability is always guaranteed, especially during peak seasons (spring and fall). Pricing is typical for the Midwestern market, with spray foam insulation being the premium option ($1.50 - $2.50 per board foot), while blown-in fiberglass or cellulose for an attic is more economical ($1.00 - $1.80 per square foot, depending on depth and material). Most reputable contractors offer free, detailed quotes and are knowledgeable about available rebates, making them a valuable resource for improving home energy efficiency in Troy's climate, which experiences both hot, humid summers and cold winters.

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 Troy regulations and climate

Frequently Asked Questions About Insulation in Troy

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

1What is the recommended insulation level (R-Value) for attics in Troy, MO homes?

For our climate zone (Zone 4), the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This high R-Value is crucial in Troy to effectively combat both our humid, hot summers and cold winters, ensuring energy efficiency and comfort year-round. Many older homes in the area have insufficient insulation, so an upgrade to this level is a common and valuable improvement.

2How much does it typically cost to insulate an attic in Troy?

For a standard 1,500 sq ft attic in Troy, blown-in cellulose or fiberglass insulation to achieve R-49 typically ranges from $1,500 to $3,000, depending on material choice and existing conditions. Spray foam insulation is more expensive, often $3,500 to $7,000 for the same area. Always get multiple itemized quotes from local providers, as pricing can vary based on accessibility and the need for preparatory work like air sealing.

3When is the best time of year to add or upgrade insulation in the Troy area?

Late spring (April-May) and early fall (September-October) are ideal. These periods offer mild temperatures in Troy, making it easier for contractors to work effectively in your attic without extreme heat or cold. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands of our Missouri summer and winter hit.

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

Yes, homeowners should check for current offers from Ameren Missouri, our local electric utility, which periodically offers rebates for adding insulation. Additionally, the federal tax credits for energy efficiency improvements (like insulation) often apply. It's important to verify specific program details, eligibility, and required documentation with your contractor or directly through the utility's website, as these incentives can change.

5What should I look for when choosing an insulation contractor in Lincoln County?

Prioritize licensed, insured, and locally established contractors with strong references in the Troy area. They should perform a thorough energy audit or inspection to identify specific needs like air leaks in addition to insulation. Ensure they understand Missouri's building codes and moisture considerations for our climate, and provide a detailed written estimate that includes the R-Value, material type, and scope of work.