The Best Insulation Contractors in Marietta, GA

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

#1

Attic Crew

4.9
(280 reviews)
Verified

Attic Crew is a highly specialized, locally-owned company focused almost exclusively on attic and insulation services. They are widely recognized in the Marietta area for their meticulous work, particularly in attic insulation upgrades, air sealing, and insulation removal. Their high customer satisfaction ratings consistently praise their professionalism, cleanliness, and effectiveness in improving home comfort and reducing energy bills.

1403 Johnson Ferry Rd, Suite 133, Marietta, GA 30062

Specialties & Features

Attic Insulation
Air Sealing
Insulation Removal

Business Information

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

Energy Shield Insulation

4.8
(200 reviews)
Verified

Serving the greater Atlanta area, including Marietta, Energy Shield Insulation is a leader in comprehensive home performance solutions. They are certified by the Building Performance Institute (BPI) and are experts in spray foam and blown-in insulation. They stand out for their holistic approach, often starting with a detailed energy audit to diagnose a home's specific inefficiencies before proposing solutions.

2400 Herodian Way, Suite 140, Smyrna, GA 30080 (Serves Marietta)

Specialties & Features

Spray Foam Insulation
Energy Efficiency Audits
Crawl Space Insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Apex Insulation

4.7
(150 reviews)
Verified

Apex Insulation is a reputable contractor known for its expertise in both residential and commercial insulation. They offer a full range of services, including spray foam, blown-in cellulose, and batt insulation for walls, attics, and basements. They are well-regarded for their technical knowledge, adherence to building codes, and ability to handle complex projects, including new construction and major retrofits.

2350 Dallas St SW, Marietta, GA 30064

Specialties & Features

Spray Foam Installation
Wall Insulation
Blown-In Insulation

Business Information

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

Why These Are the Top Insulation Contractors in Marietta

** The insulation market in Marietta, Georgia, is robust and competitive, driven by the city's mix of historic and newer homes and the region's humid subtropical climate, which creates high demand for both summer cooling and winter heating. The average quality of service providers is high, with several established companies holding key industry certifications (like BPI and RESNET), indicating a focus on performance-based results rather than just product installation. Competition is strong, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing can vary significantly based on the project scope and material chosen. As a general guide: * **Attic Blown-In Cellulose/Fiberglass:** $1,500 - $4,500+ * **Spray Foam Insulation (for an attic):** $4,500 - $8,500+ * **Whole-House Air Sealing & Insulation Upgrade:** $2,500 - $7,000+ A key factor in the Marietta market is the availability of utility rebates and federal tax credits for energy efficiency upgrades. The top providers are typically well-versed in these programs and can guide homeowners through the process to maximize financial incentives, making premium insulation services more accessible.

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 Marietta regulations and climate

Frequently Asked Questions About Insulation in Marietta

Get answers to common questions about insulation services in Marietta, Georgia.

1What is the most important type of insulation for my Marietta home given our local climate?

For our humid subtropical climate with hot summers and mild winters, attic insulation is the most critical. Proper attic insulation (typically blown-in cellulose or fiberglass to an R-38 to R-60 level) acts as a primary thermal barrier against intense summer heat, significantly reducing cooling costs. It also helps manage winter heat loss and reduces humidity-related issues like mold in your living spaces.

2How much does adding or upgrading insulation typically cost for a home in Marietta?

Costs vary based on home size, material, and accessibility, but a typical attic insulation upgrade for a 1,500-2,000 sq ft home in Cobb County ranges from $1,500 to $3,500. Blown-in cellulose is a common, cost-effective choice. It's important to get itemized quotes from local providers that include air sealing, as Georgia's energy code requires it alongside insulation in many cases for optimal performance.

3When is the best time of year to have insulation installed in Marietta?

The ideal times are late fall (October-November) and early spring (March-April). These periods offer milder temperatures, making it safer for installers to work in your attic and allowing your HVAC system to be tested effectively. Scheduling during these shoulder seasons also avoids the peak summer demand, potentially leading to better availability and pricing from local contractors.

4What should I look for when choosing an insulation contractor in the Marietta area?

Always verify the contractor is licensed by the Georgia State Licensing Board for Residential and General Contractors. Choose a provider experienced with local building codes and the specific challenges of older Marietta homes, such as dealing with knob-and-tube wiring or inadequate ventilation. Look for companies that perform a pre-installation energy audit and provide detailed quotes specifying R-values, material types, and air sealing scope.

5My older Marietta home feels drafty. Will new insulation alone solve this problem?

Not entirely. While insulation resists heat flow, air sealing is the crucial first step to stop drafts. Gaps around windows, doors, ductwork, and penetrations in the attic floor allow conditioned air to escape. A professional contractor should perform a comprehensive air sealing audit (addressing the "building envelope") before adding insulation. This combined approach is essential for maximizing comfort and energy savings in our climate.