The Best Insulation Contractors in Key Largo, FL

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

#1

Koala Insulation of South Miami & The Keys

4.8
(150 reviews)
Verified

A highly-rated, modern insulation company that emphasizes education and a wide range of services. They specialize in both residential and commercial projects and are known for their detailed assessments and knowledge of different insulation types suitable for the Florida climate, including spray foam and blown-in cellulose.

12727 SW 122nd Ave, Miami, FL 33186 (This is their main office; they serve Key Largo.)

Specialties & Features

Spray foam insulation
Blown-in insulation
Insulation removal and replacement

Business Information

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

All Thermo Insulation Inc.

4.7
(80 reviews)
Verified

A well-established, local Florida contractor with decades of experience. They have a strong reputation for handling complex projects, including new construction and retrofits, with a focus on spray foam applications. Their longevity suggests deep knowledge of local building codes and durability in the coastal environment.

20465 NE 16th Pl, Miami, FL 33179 (This is their main office; they serve the South Florida region, including the Keys.)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Enviro-Works Inc.

4.6
(50 reviews)
Verified

This company positions itself as an energy efficiency expert, offering a comprehensive suite of services from audits to installation. They are particularly strong in air sealing and attic insulation, which are critical for home efficiency in the hot and humid Keys. They serve the entire South Florida area, including Monroe County.

3984 North Park Dr, Hollywood, FL 33021 (This is their main office; they serve a wide area including the Keys.)

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Key Largo

The insulation market in Key Largo is specialized and service-oriented, characterized by a few key dynamics. The quality of service is generally high, as the demanding coastal environment and strict Florida Building Code/FEMA regulations necessitate expertise from contractors. The competition level is moderate; while there are few hyper-local providers, residents have access to a pool of highly qualified regional contractors from Miami-Dade and Broward counties who regularly service the Keys. Typical pricing is premium compared to inland areas. This is due to the "Keys Premium," which includes factors like travel time for crews, the cost of materials resilient to salt and humidity (e.g., closed-cell spray foam is very common), and the complexity of retrofitting older homes to modern energy and hurricane codes. Homeowners should expect comprehensive energy audits and air sealing to be a standard and critical part of any insulation upgrade proposal to manage moisture and improve efficiency. Rebates may be available through programs like the **Florida Power & Light (FPL) Home Energy Survey**, which can help offset some costs.

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 Key Largo regulations and climate

Frequently Asked Questions About Insulation in Key Largo

Get answers to common questions about insulation services in Key Largo, Florida.

1What type of insulation is best for my home in Key Largo, given the hot, humid, and salt-air environment?

In Key Largo, spray foam insulation is often the top recommendation. Its superior air-sealing properties are critical for managing intense humidity, preventing moist outdoor air from entering and causing mold. It also resists moisture absorption and pests better than traditional materials like fiberglass batts, which can sag and lose effectiveness in our climate. For existing homes, blown-in cellulose can be a good retrofit option, but a professional assessment is key.

2How does the local climate and building code affect insulation installation in the Florida Keys?

Monroe County and Florida Building Code have strict requirements for wind resistance and energy efficiency, especially for hurricane protection. Proper insulation and air sealing are part of creating a continuous thermal barrier, which helps maintain indoor temperatures during power outages. Furthermore, codes mandate specific R-values (thermal resistance) for our climate zone; for example, attic insulation often requires an R-30 to R-38 minimum, and professionals must ensure installations comply.

3What should I look for when choosing a local Key Largo insulation contractor?

Prioritize contractors licensed, insured, and experienced with the unique challenges of the Keys, such as high humidity, salt air corrosion, and working with various construction types from concrete block to wood frame. Ask for local references and proof of compliance with Monroe County permitting and Florida Building Code. Be wary of unsolicited "too-good-to-be-true" offers, especially after storms, and choose a provider who performs a thorough energy audit or assessment first.

4Besides energy savings, what are other key benefits of upgrading insulation in a Key Largo home?

Upgraded insulation significantly improves indoor comfort by reducing hot spots and the strain on your air conditioning system, which is vital during our long, sweltering summers. Crucially, proper air sealing with insulation helps control the extreme humidity, reducing the risk of mold and mildew growth, which protects your home's structure and indoor air quality. It also provides sound-dampening benefits from outdoor noise and helps maintain a safer indoor temperature during a hurricane-related power loss.