The Best Insulation Contractors in Alexandria, TN

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

#1

Allied Construction & Insulation

4.8
(150 reviews)
Verified

A highly-rated, family-owned contractor specializing in comprehensive insulation and energy efficiency solutions. They are known for their professional crews, use of high-quality materials, and focus on both residential and commercial projects. Their strong reputation is built on detailed energy audits and effective air sealing to maximize insulation performance.

745 South Cumberland St, Lebanon, TN 37087 (Approx. 10 miles from Alexandria)

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Energy efficiency audits

Business Information

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

Insulation Solutions of Tennessee

4.7
(90 reviews)
Verified

This provider focuses specifically on insulation, making it their core expertise. They receive consistent praise for their knowledge, cleanliness, and effectiveness in improving home comfort and reducing energy bills. They are well-versed in modern insulation techniques and materials.

1325 Old Lebanon Dirt Rd, Lebanon, TN 37090 (Approx. 8 miles from Alexandria)

Specialties & Features

Attic insulation installation and upgrade
Crawl space insulation
Insulation removal and replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Advanced Energy Solutions

4.6
(110 reviews)
Verified

While based slightly further out, this company is a leader in the Middle Tennessee region for holistic home performance. They take a science-based approach, starting with advanced energy audits to diagnose a home's specific needs, which informs their insulation and air sealing work.

1150 S Willow Ave, Cookeville, TN 38506 (Serves a wide area including DeKalb County)

Specialties & Features

Energy efficiency audits
Air sealing services
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Alexandria

** The insulation market for Alexandria, TN, and the surrounding DeKalb County area is characterized by a few key local specialists, supplemented by larger regional companies from hubs like Lebanon and Cookeville. Due to the rural nature and older housing stock in the area, there is a significant need for insulation upgrades, particularly in attics and crawl spaces, to improve energy efficiency. **Average Quality:** The top-tier providers offer excellent, professional-grade service, utilizing modern materials like spray foam and dense-pack cellulose. However, homeowners should be diligent, as the market also includes smaller, less-specialized handyman services. **Competition Level:** Moderate. There is not an oversaturation of dedicated insulation contractors within Alexandria's city limits itself, creating a competitive environment among the 5-10 established regional players who actively serve the area. This competition generally benefits consumers through competitive pricing and a focus on service quality. **Typical Pricing:** Pricing is in line with regional averages. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $2,800 * **Spray Foam Insulation (Roofline):** $4,500 - $7,500+ * **Crawl Space Encapsulation & Insulation:** $3,000 - $6,000 * **Wall Insulation (Blown-in):** $2,000 - $4,500 Final costs are highly dependent on the square footage, existing conditions, material choice, and the complexity of the air sealing required. It is highly recommended to obtain at least two detailed, in-person estimates from the providers listed above.

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 Alexandria regulations and climate

Frequently Asked Questions About Insulation in Alexandria

Get answers to common questions about insulation services in Alexandria, Tennessee.

1What is the recommended R-value for attic insulation in my Alexandria home, and why is it important for our local climate?

For our Upper Cumberland region, the U.S. Department of Energy recommends an attic R-value of R38 to R60. This is critical because Alexandria experiences both hot, humid summers and cold winters. Proper attic insulation at this level acts as a thermal barrier, keeping heat out in summer and retaining warmth in winter, which directly improves comfort and reduces strain on your HVAC system year-round.

2How much does it typically cost to add or upgrade insulation in an older home in the Alexandria area?

Costs vary based on home size, material (like fiberglass batts or blown-in cellulose), and the area being insulated. For a typical 1,500 sq ft home in DeKalb County, attic insulation projects often range from $1,500 to $3,500. It's important to get a detailed, in-home assessment, as older homes here may have unique challenges like knob-and-tube wiring or inadequate ventilation that need addressing first.

3When is the best time of year to have insulation installed in Alexandria, TN?

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 temperatures in Tennessee, making it easier for contractors to work effectively in your attic or crawl space. Scheduling during these shoulder seasons also ensures your home is prepared for the peak heating and cooling demands of summer and winter.

4Are there any local rebates, tax credits, or utility incentives for insulation upgrades in Alexandria?

Yes, homeowners should check for federal tax credits for qualified energy efficiency improvements, which can cover 30% of project costs up to a $1,200 annual limit. While Middle Tennessee Electric Membership Corporation (MTEMC) occasionally offers rebates, programs change, so it's best to consult directly with them or your insulation contractor, who should be knowledgeable about current local and national incentives.

5What should I look for when choosing a reliable insulation contractor serving Alexandria and DeKalb County?

Prioritize contractors who are licensed, insured, and have strong local references. A reputable provider will perform a thorough energy audit or inspection before quoting, explain the pros and cons of material choices for our climate, and clearly detail the work scope, including air sealing. Be wary of door-to-door sales with high-pressure tactics; established local companies rely on community reputation.