This article was updated in 2026 with the latest information on insulation installation cost in the attic, basement, and crawl space.
That’s why you’re here, searching for insulation installation cost, how much does it cost to install insulation, or attic insulation installation cost, and that’s exactly what we’re going to cover.
At Zavza Seal, we understand that insulation is more than just a home improvement. It is an investment in comfort, energy efficiency, and long-term savings. In this guide, we break down the cost to install insulation in different areas of your home, including the attic, basement, and crawl space, while also explaining material types, labor factors, and available rebates that may help lower your overall cost.
Types of Basement Insulation: Brooklyn’s Foundation of Efficiency
When it comes to insulation installation costs in Brooklyn, Queens, and the rest of Nassau and Suffolk counties, the basement is often the starting point. Different types of basement insulation offer unique benefits, from moisture control to thermal efficiency.
In the sections below, we’ll go over the different types of basement insulation with you and the insulation installation cost per square foot of getting each type of insulation installed.
Batt Insulation: Brooklyn’s Cost-Effective Solution
Batt insulation is commonly made from fiberglass or mineral wool and comes in pre-cut panels. It’s a popular choice for basement insulation due to its ease of installation and cost-effectiveness.
Cost Table for Square Footage
| Square Footage | Cost per Square Foot |
|---|---|
| Up to 500 sq ft | $1.00 – $1.50 |
| 501 – 1000 sq ft | $0.95 – $1.40 |
| 1001 – 2000 sq ft | $0.90 – $1.35 |
Blown-in Insulation: Brooklyn’s Versatile Option
Blown-in insulation is made from small particles of fiberglass or cellulose and is ideal for filling in gaps and hard-to-reach spaces in your basement. It offers excellent thermal performance and can be applied quickly.
Cost Table for Square Footage
| Square Footage | Cost per Square Foot |
|---|---|
| Up to 500 sq ft | $1.20 – $1.70 |
| 501 – 1000 sq ft | $1.15 – $1.65 |
| 1001 – 2000 sq ft | $1.10 – $1.60 |
Spray Foam Insulation: Brooklyn’s Premium Choice
Spray foam insulation is a cutting-edge material that expands upon application, providing an airtight seal. It offers superior thermal performance and is excellent for both soundproofing and preventing moisture intrusion.
Cost Table for Square Footage
| Square Footage | Cost per Square Foot |
|---|---|
| Up to 500 sq ft | $1.50 – $2.50 |
| 501 – 1000 sq ft | $1.45 – $2.45 |
| 1001 – 2000 sq ft | $1.40 – $2.40 |
Types of Attic Insulation: Brooklyn’s Top-Tier Thermal Barrier
When it comes to energy efficiency and comfort, attic insulation is a game-changer. The right insulation can keep your home warm in the winter and cool in the summer, reducing your energy bills significantly.
Here are some cost tables for the insulation installation costs of attic insulation types for Brooklyn, Queens, Nassau, and Suffolk neighborhoods:
Fiberglass Insulation: Brooklyn’s Go-To Insulator
Fiberglass insulation is a popular choice for attics due to its fire resistance and thermal properties. It comes in rolls or batts and is relatively easy to install.
Cost Table for Square Footage
| Square Footage | Cost per Square Foot |
|---|---|
| Up to 500 sq ft | $1.00 – $1.50 |
| 501 – 1000 sq ft | $0.95 – $1.40 |
| 1001 – 2000 sq ft | $0.90 – $1.35 |
Cellulose Insulation: Brooklyn’s Eco-Friendly Option
Made from recycled paper, cellulose insulation is an eco-friendly choice. It offers good thermal performance and is often used for blown-in applications in attics.
Cost Table for Square Footage
| Square Footage | Cost per Square Foot |
|---|---|
| Up to 500 sq ft | $1.20 – $1.70 |
| 501 – 1000 sq ft | $1.15 – $1.65 |
| 1001 – 2000 sq ft | $1.10 – $1.60 |
Mineral Wool Insulation: Brooklyn’s Fire-Resistant Choice
Mineral wool insulation is made from rock or slag and offers excellent fire resistance. It’s also good for thermal and sound insulation, making it a versatile choice for attics.
Cost Table for Square Footage
| Square Footage | Cost per Square Foot |
|---|---|
| Up to 500 sq ft | $1.50 – $2.50 |
| 501 – 1000 sq ft | $1.45 – $2.45 |
| 1001 – 2000 sq ft | $1.40 – $2.40 |
Types of Cellar Insulation: The Foundation of Energy Efficiency
When it comes to maintaining a comfortable home and reducing energy costs, cellar insulation plays a crucial role. Proper insulation in the cellar can help keep your home warm during winter and cool during summer.
Here are some cost tables for the insulation installation costs of crawl space insulation types for Brooklyn, Queens, Nassau, and Suffolk neighborhoods:
Crawl Space Insulation: The Standard in Cellar Insulation
Crawl space insulation is commonly used in cellars to provide a thermal barrier. It’s available in various materials and is generally easy to install.
Cost Table for Square Footage
| Square Footage | Cost per Square Foot |
|---|---|
| Up to 500 sq ft | $1.00 – $1.50 |
| 501 – 1000 sq ft | $0.95 – $1.40 |
| 1001 – 2000 sq ft | $0.90 – $1.35 |
Insulation Mastic: The Flexible Option for Cellars
Insulation mastic is a versatile choice for cellars, offering a sealant that can be applied to various surfaces. It’s particularly useful for irregular or hard-to-reach areas.
Cost Table for Square Footage
| Square Footage | Cost per Square Foot |
|---|---|
| Up to 500 sq ft | $1.20 – $1.70 |
| 501 – 1000 sq ft | $1.15 – $1.65 |
| 1001 – 2000 sq ft | $1.10 – $1.60 |
Insulation Rebates and Weatherization Programs That Can Lower Installation Costs
Many property owners are surprised to learn that insulation installation costs can be significantly reduced through utility rebate programs. Zavza Seal participates in the Weatherization Rebate Program, which helps qualifying property owners manage energy consumption and reduce utility bills.
This program is designed primarily for commercial buildings and multi-family properties with 5 or more units, making insulation upgrades more affordable while improving building efficiency and energy performance.
Who Qualifies for the Weatherization Rebate Program?
You may qualify if you meet the following requirements:
- You have an active commercial gas heating account
- The property is a commercial facility or multi-family building with 5+ units
- The building is under 25,000 square feet
- Zavza Seal is selected as your preferred contractor
Our team will review eligibility and guide you through the rebate process from start to finish.
Benefits of Insulation Rebates
- Improve your building’s energy rating or efficiency grade
- Reduce heating and cooling costs
- Potentially avoid future energy penalties
- Increase overall building efficiency by up to 10%
- Lower your total insulation installation cost
Get Your Rebate in 3 Simple Steps
- Contact Zavza Seal to confirm eligibility
- Request a free insulation estimate
- Complete the installation and receive your rebate
If you’re planning insulation upgrades for a multi-family or commercial property, rebates can make a major difference in overall project cost.
Why Choose Zavza Seal for Your Insulation Needs?
Choosing the right insulation contractor is a critical decision that impacts not just the comfort of your home, but also your long-term energy savings and peace of mind. At Zavza Seal, we’re committed to making that decision easy for you.
Here’s why we stand out as the go-to choice for all your insulation needs:
- Transparent Pricing: At Zavza Seal, we believe in full transparency, especially when it comes to cost. Our comprehensive guide is designed to give you a clear understanding of what you’re investing in, without any hidden fees or surprises.
- Local Expertise: Serving Nassau and Suffolk counties, we understand the unique insulation needs of homes in this region. Our local expertise ensures that you’re getting the most effective solutions tailored to your specific requirements.
- Quality Materials: We don’t cut corners when it comes to materials. Whether it’s batt, blown-in, or spray foam insulation, we use only the highest quality products that offer durability and high performance.
- Energy Efficiency Focus: Our insulation solutions are not just about immediate comfort; they’re about long-term savings. Proper insulation from Zavza Seal can significantly reduce your energy bills, making it a smart investment for the future.
- Customer Satisfaction: Your comfort and satisfaction are our top priorities. Our team is committed to providing exceptional service from the initial consultation to project completion. But don’t just take our word for it; our stellar reviews speak for themselves.
- Eco-Friendly Options: We offer environmentally friendly insulation options like cellulose, made from recycled paper, to help you make a green choice for your home.
- Comprehensive Services: From your basement to your attic, we’ve got you covered. Our wide range of services ensures that every part of your home can be well-insulated, improving overall comfort and energy efficiency.
Conclusion
In this guide, we’ve aimed to provide you with a comprehensive understanding of insulation installation costs. From the types of insulation suited for different areas of your home to the cost per square foot, we’ve covered it all. Insulation is more than just a home improvement; it’s an investment in comfort, energy efficiency, and peace of mind.
Ready to take the next step in making your home more energy-efficient and comfortable? Contact Zavza Seal today for a customized quote tailored to your specific needs!
FAQs
How much does it cost to install insulation in a home?
The average cost varies but expect to spend between $1,000 to $4,000 depending on the size and type of insulation.
What is the average insulation installation cost per square foot?
Proper insulation can save you up to 20% on heating and cooling costs.
Does insulation installation cost vary by material type?
Yes, spray foam is generally more expensive than batt or blown-in insulation.
Are there any tax credits or rebates available for home insulation?
Some states offer tax credits or rebates. Check local and federal programs for availability.
How do I know if my home is under-insulated?
High energy bills, uneven temperature, and drafts are common signs.
What is the R-value and why is it important?
R-value measures thermal resistance. Higher R-values offer better insulation.
Can I install insulation myself to save money?
DIY is possible for some types, but professional installation is recommended for optimal results.
How long does it take to install insulation?
It can take anywhere from a few hours to a couple of days depending on the project size.
Is insulation a good investment for increasing my home’s value?
Yes, proper insulation can increase your home’s resale value.
How often should insulation be replaced?
Insulation lifespan varies; however, it generally lasts 15-20 years.
