The Best Insulation Contractors in Lake Mary, FL

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

#1

Koala Insulation of Central Florida

4.8
(180 reviews)
Verified

A highly-rated, modern insulation contractor that emphasizes education and a wide range of services. They are known for their thorough energy audits and expertise in both spray foam and blown-in insulation. Their service area explicitly includes Lake Mary, and they are part of a national brand with local ownership, ensuring professional standards.

3452 S US Hwy 17/92, Suite 1166, Longwood, FL 32750 (This is their primary office; they serve Lake Mary directly)

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Insulation removal and replacement

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

Energy Guard Home Services

4.7
(150 reviews)
Verified

A well-established local contractor with a strong focus on comprehensive home performance and energy efficiency. They go beyond just insulation to address the entire building envelope, including air sealing and ventilation. Their strong reputation is built on solving complex moisture and energy waste problems in Florida homes.

3312 S Sanford Ave, Sanford, FL 32773 (Located in adjacent Sanford, a primary service area for Lake Mary)

Specialties & Features

Energy efficiency audits
Air sealing services
Attic insulation installation and upgrade

Business Information

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

Advanced Insulation Solutions

4.6
(90 reviews)
Verified

A specialized insulation contractor known for its expertise in spray foam applications and crawl space encapsulation. They are particularly skilled in managing the unique humidity challenges of Florida's climate and are well-versed in the latest building science for energy-efficient new construction and retrofit projects.

3450 S US Hwy 17/92, Longwood, FL 32750 (Located very close to the Lake Mary border)

Specialties & Features

Spray foam insulation
Crawl space insulation
Basement and crawl space insulation

Business Information

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

Why These Are the Top Insulation Contractors in Lake Mary

** The insulation market in Lake Mary and the broader Seminole County area is competitive and of generally high quality, driven by Florida's stringent energy codes and the persistent demand for energy efficiency due to the hot, humid climate. The market consists of a mix of large, multi-service contractors and smaller, highly-specialized firms. The top-tier providers distinguish themselves through deep expertise in building science, air sealing, and moisture management—critical factors for comfort and preventing mold in Florida homes. **Competition Level:** High. Homeowners have multiple reputable options, forcing contractors to maintain high service standards and stay current with technology and rebate programs. **Average Quality:** Very Good to Excellent for the established, licensed specialists. There is, however, a "long tail" of less-qualified handymen, so due diligence on licensing and insurance is crucial. **Typical Pricing:** Pricing is moderately high, reflecting the skilled labor and specialized materials required. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $4,500 * **Spray Foam (Open Cell):** $2.00 - $4.00 per board foot * **Spray Foam (Closed Cell):** $4.50 - $7.50 per board foot * **Whole-House Air Sealing:** $500 - $2,500 Many providers are knowledgeable about local utility rebates from companies like Florida Power & Light (FPL) or Duke Energy, which can significantly offset the cost of energy efficiency upgrades. It is always recommended to obtain at least three detailed, itemized quotes for any significant insulation project.

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 Lake Mary regulations and climate

Frequently Asked Questions About Insulation in Lake Mary

Get answers to common questions about insulation services in Lake Mary, Florida.

1What is the most important type of insulation for homes in Lake Mary, Florida, and why?

In Lake Mary's hot and humid climate, the most critical insulation is a properly installed and adequate radiant barrier in the attic, combined with high R-value insulation for the attic floor. This combination is key because it reflects the intense solar heat away from your living space and slows conductive heat gain, which directly reduces the workload on your air conditioner. Focusing on the attic provides the best return on investment for energy savings in our region.

2How much does it typically cost to add or upgrade attic insulation in a Lake Mary home?

For a typical 1,500-2,000 sq. ft. home in Lake Mary, adding blown-in cellulose or fiberglass attic insulation to achieve the recommended R-38 rating typically costs between $1,500 and $3,500, depending on material, accessibility, and existing conditions. Adding a radiant barrier can range from $1,200 to $2,500. It's important to get a detailed, in-person estimate, as local factors like our high humidity can influence material choices and ventilation requirements that affect the final price.

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

The ideal time is during our milder, drier months from late fall to early spring (October through April). Scheduling during this period avoids the extreme heat and frequent afternoon thunderstorms of summer, making the installation process safer and more comfortable for crews working in your attic. It also allows you to upgrade your home's thermal envelope before the peak cooling season begins, so you start saving on energy bills immediately.

4What should I look for when choosing an insulation contractor in Seminole County?

Choose a licensed, insured contractor with specific experience in Florida's climate. Verify they are familiar with the Florida Building Code's energy efficiency requirements for our climate zone (Zone 2). Look for providers who perform a thorough energy audit or assessment first, check for and address air sealing, and can explain how attic ventilation (critical for managing our humidity) integrates with the insulation plan. Always check for local references and reviews from Lake Mary or nearby communities.

5My energy bills are high even with a relatively new AC. Could poor insulation be the cause?

Absolutely. In Lake Mary, inadequate or degraded attic insulation is a primary culprit for high cooling costs. Over time, insulation can settle, get compacted, or be disturbed by pests, losing its R-value. Furthermore, if your home lacks proper air sealing, cool air escapes and hot, humid outdoor air infiltrates, forcing your AC to run constantly. An energy assessment can identify these issues, and upgrading insulation often provides a faster payback through energy savings than replacing an otherwise functional AC unit.