The Best Insulation Contractors in Brooklyn, NY

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

#1

Green Attic Insulation

4.8
(200 reviews)
Verified

Green Attic Insulation is a highly-rated, Brooklyn-based company specializing in comprehensive home performance upgrades. They are known for their expertise in spray foam and blown-in cellulose insulation, particularly for complex Brooklyn brownstones and older homes. Their services often include integrated air sealing and energy audits to maximize efficiency.

3319 Quentin Rd, Brooklyn, NY 11234

Specialties & Features

Spray foam insulation
Attic insulation and air sealing
Insulation removal and replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#2

Dr. Energy Saver - New York City

4.7
(150 reviews)
Verified

As part of a national network of energy efficiency experts, Dr. Energy Saver brings a high level of professionalism and technical knowledge to the Brooklyn market. They are a full-service provider, starting with advanced energy audits to diagnose problems and recommend the most effective solutions, including wall insulation and basement encapsulation.

175 Pearl St, Brooklyn, NY 11201 (and other locations)

Specialties & Features

Energy efficiency audits
Basement and crawl space insulation
Wall insulation services

Business Information

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

Big Apple Insulation

4.6
(80 reviews)
Verified

Big Apple Insulation is a local contractor that has built a strong reputation for reliability and quality workmanship on a wide variety of insulation projects. They offer a full suite of services, from attic upgrades to challenging wall insulation jobs in existing buildings, and are well-versed in the materials and techniques suited for the NYC climate and building codes.

2240 McDonald Ave, Brooklyn, NY 11223

Specialties & Features

Blown-in insulation installation
Attic insulation installation
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in Brooklyn

The insulation market in Brooklyn is characterized by high demand driven by the city's aging housing stock (particularly pre-war brownstones and row houses), extreme weather seasons, and rising energy costs. The market is competitive, with a mix of specialized local contractors and larger regional companies. Quality varies significantly, making due diligence on licensing and insurance critical. Typical pricing is on the higher end nationally due to NYC's high labor and operating costs, complex building layouts, and strict building code compliance requirements. For example, attic insulation projects can range from $1,500 to $4,500+, while full-wall or spray foam projects can easily exceed $10,000. However, the potential for significant energy savings and increased comfort, combined with available rebates from NYSERDA and Con Edison, makes these services a valuable investment for Brooklyn homeowners. The most successful providers are those with deep expertise in retrofitting older, historically significant buildings without compromising their integrity.

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 Brooklyn regulations and climate

Frequently Asked Questions About Insulation in Brooklyn

Get answers to common questions about insulation services in Brooklyn, New York.

1What is the typical cost range for insulating a Brooklyn brownstone or row house, and are there any local rebates or incentives?

For a typical Brooklyn brownstone, adding or upgrading insulation can range from $3,000 to $10,000+, depending heavily on the project scope (e.g., attic vs. walls) and material choice. Crucially, New York State offers significant incentives through programs like NYSERDA's Home Performance with ENERGY STAR, which can cover up to 50-75% of project costs for income-eligible homeowners and provide attractive financing for others. Always check with your contractor about available local rebates before proceeding.

2When is the best time of year to install insulation in a Brooklyn home?

While insulation can be installed year-round, late spring and early fall are often ideal in Brooklyn. These periods typically offer mild, dry weather, which is important for proper installation of materials like spray foam and for adequate attic ventilation. Avoid deep winter if addressing exterior walls, as contractors may need to work from outside. Planning ahead for a fall installation is also strategic to ensure your home is sealed before NYC's harsh, windy winters set in.

3Are there specific local building codes or regulations in Brooklyn I need to be aware of for insulation projects?

Yes, absolutely. All insulation work in Brooklyn must comply with the NYC Energy Conservation Code (NYCECC) and the NYC Building Code. A key local consideration is that many older homes have knob-and-tube wiring, which cannot be covered with standard insulation (like cellulose or fiberglass batts) due to fire risk, requiring remediation first. Additionally, any structural alteration or work in a landmark district may require special permits from the NYC Department of Buildings or the Landmarks Preservation Commission.

4How do I choose a reliable insulation contractor in Brooklyn, and what should I look for?

Prioritize contractors who are licensed, insured, and specifically experienced with Brooklyn's historic and diverse housing stock (brownstones, pre-wars, etc.). Look for certifications from manufacturers (like Owens Corning or Icynene) and participation in NYSERDA's program, which requires rigorous training and quality standards. Always get 2-3 detailed written estimates, check reviews on local platforms like Yelp or Google, and verify they will handle necessary NYC DOB paperwork if required.

5My Brooklyn home is very old and drafty. What are the most effective insulation methods for historic properties where I can't disturb the original walls?

For historic Brooklyn homes where preserving original plaster and facades is a priority, injectable loose-fill or dense-pack cellulose is often the best solution for walls, as it can be installed through small holes in the interior or exterior. Attic insulation (with blown-in cellulose or fiberglass) is also highly effective and non-invasive. For severe drafts, consider interior air sealing of the attic rim joist and basement, which addresses significant energy loss without altering historic finishes.