Complete Guide to Pricing & Best Options
Understanding the Cost of Insulation Installation
Insulation plays a vital role in improving home energy efficiency, reducing heating and cooling costs, and enhancing indoor comfort. Whether you’re installing insulation for the first time or replacing old insulation, knowing the cost factors and best materials can help you make an informed decision.
The cost to install insulation depends on several factors, including:
- Type of insulation material (fiberglass, spray foam, cellulose, rigid board, etc.).
- Labor costs for professional installation.
- Square footage of the area being insulated.
- Location of the insulation (attic, walls, floors, crawl space, or basement).
Let’s break down the cost, benefits, and best insulation products available.
Factors That Affect Insulation Installation Cost
1. Type of Insulation Material
The cost varies depending on the insulation type and its R-value (thermal resistance level). Here are the most common types:
- Fiberglass Batt Insulation – Most affordable option.
- Blown-In Cellulose Insulation – Eco-friendly and effective.
- Spray Foam Insulation – Provides superior air sealing but is more expensive.
- Rigid Foam Board – Used in specific applications like basements and exterior walls.
2. Size of the Area
Larger areas require more insulation material, increasing the overall cost.
3. Labor and Installation Complexity
Hiring a professional adds labor costs, but ensures proper installation, which improves insulation effectiveness.
4. Climate and Energy Efficiency Goals
Homes in colder or hotter regions may need higher R-value insulation, leading to higher costs.
Cost Breakdown: How Much Does Insulation Installation Cost?
1. Attic Insulation Cost
- Fiberglass Batts: $1.50 – $3.00 per sq. ft.
- Blown-In Cellulose: $2.00 – $4.00 per sq. ft.
- Spray Foam: $3.00 – $7.00 per sq. ft.
2. Wall Insulation Cost
- Fiberglass: $1.50 – $2.50 per sq. ft.
- Spray Foam: $4.00 – $8.00 per sq. ft.
3. Crawl Space & Basement Insulation Cost
- Rigid Foam Board: $3.00 – $6.00 per sq. ft.
- Spray Foam: $4.00 – $7.00 per sq. ft.
Best Insulation Products for Your Home
1. Owens Corning Fiberglass Batt Insulation
Owens Corning is a trusted brand for fiberglass insulation, offering affordable yet effective insulation solutions.
- Features:
- High R-value for thermal resistance.
- Fire-resistant and mold-resistant.
- Available in pre-cut batts for easy installation.
- Use Case: Best for attics, walls, and floors in residential homes.
2. Spray Foam Insulation by Touch ‘n Foam
Spray foam insulation is ideal for sealing gaps, cracks, and preventing air leaks.
- Features:
- Expands to fill small spaces.
- Provides excellent soundproofing.
- Prevents moisture buildup.
- Use Case: Great for walls, attics, and crawl spaces needing airtight sealing.
3. Rockwool Soundproof Insulation
Rockwool insulation is designed for thermal efficiency and noise reduction.
- Features:
- Fire-resistant up to 1000°C.
- Superior soundproofing capabilities.
- Resistant to mold and moisture.
- Use Case: Best for multi-story homes and apartments needing sound insulation.
4. Celotex Rigid Foam Board Insulation
Celotex insulation boards provide high-performance insulation in thin panels.
- Features:
- Lightweight and easy to install.
- Offers high R-value per inch.
- Suitable for floors, walls, and ceilings.
- Use Case: Ideal for basements, crawl spaces, and external walls.
Benefits of Installing Insulation
1. Lower Energy Costs
Proper insulation reduces heating and cooling expenses, saving up to 30% on energy bills.
2. Improved Home Comfort
Maintains a consistent indoor temperature, reducing drafts and cold spots.
3. Noise Reduction
Some insulation types, such as Rockwool and cellulose, offer soundproofing benefits, making your home quieter.
4. Increased Home Value
Energy-efficient homes attract higher resale values and faster sales.
5. Environmental Benefits
Eco-friendly insulation options reduce carbon footprint and promote sustainability.
Where to Buy Insulation & Find Installers
- Home Depot: Find Insulation & Installers
- Amazon: Shop Insulation Materials
- Angi: Hire Professional Installers
How to Choose the Right Insulation for Your Home
1. Consider Your Budget
Fiberglass and cellulose are more affordable, while spray foam and rigid foam offer higher performance at a higher cost.
2. Check the R-Value
Higher R-value means better insulation performance. Choose R-30 to R-60 for attics and R-13 to R-21 for walls.
3. Look for Energy-Efficient Options
Opt for ENERGY STAR®-certified insulation products for maximum efficiency and long-term savings.
Frequently Asked Questions
1. How much does insulation installation cost per square foot?
Insulation costs between $1.50 – $7.00 per sq. ft., depending on the type.
2. Can I install insulation myself?
Yes, fiberglass batts and rigid foam are DIY-friendly. Spray foam and blown-in insulation require professional installation.
3. How long does insulation last?
Fiberglass and foam insulation last 20–50 years, while spray foam can last a lifetime with proper installation.
Installing the right insulation can save you money, improve home comfort, and increase energy efficiency. Choose the best insulation for your needs and hire professional installers for optimal performance and long-term benefits.