Blown In Insulation Cost: Pros, Cons & Installation Guide

Curious about the installation costs of blown-in insulation for your home? Wondering how much it will set you back? In this post, we’ll dive into the factors that influence the project costs and material costs of blown-in insulation, helping you understand what to expect when budgeting for this energy-efficient upgrade, including air sealing and attic space. From the square footage of your space to the type of insulation material used, air sealing in homes, we’ll cover everything you need to know to make an informed decision. Stay tuned to discover how investing in blown-in insulation can save you money in the long run while keeping your home comfortable year-round.

Understanding Blown-In Insulation

Definition and Differences

Blown-in insulation is a type of insulation that is installed by blowing loose-fill materials into walls, attics, or other spaces. It differs from traditional batt insulation as it conforms to any space without leaving gaps or seams.

Benefits of Blown-In Insulation

  • Efficiency: Blown-in insulation provides better coverage and fills gaps, reducing air leakage and improving energy efficiency.
  • Soundproofing, with enough insulation, helps dampen noise transfer between walls of rooms, creating a quieter indoor environment.
  • Eco-Friendly: Many blown-in insulation materials are made from recycled content, promoting sustainability.

Materials Used


Fiberglass blown-in insulation consists of tiny glass fibers and is known for its fire resistance and cost-effectiveness. It is non-combustible and does not settle over time, maintaining its insulating properties.


Cellulose blown-in insulation is made from recycled paper materials treated with chemicals to resist pests and fire. It offers excellent thermal performance and is environmentally friendly.

Pros and Cons of Blown-In Insulation

Energy Efficiency

Blown-in insulation offers remarkable energy efficiency, reducing heat loss and decreasing energy bills while adding value.

Installing blown-in insulation helps maintain a consistent indoor temperature, leading to a more comfortable living environment. The material fills gaps and voids effectively, preventing air leakage and enhancing overall insulation performance.

Cost Considerations

One drawback of blown-in insulation is the initial cost, which can be higher compared to traditional insulation methods. However, the long-term savings on energy bills often offset this upfront investment.

While blown-in insulation may require a higher initial investment, its benefits in terms of energy efficiency and durability make it a cost-effective choice in the long run. Homeowners should consider the long-term savings when evaluating the overall cost.

Comparison with Traditional Methods

When comparing blown-in insulation to traditional methods like fiberglass batts or rolls, blown-in insulation offers several advantages, including cost. It provides better coverage as it conforms to irregular spaces and fills gaps more effectively than traditional materials.

Unlike fiberglass batts, blown-in insulation does not leave seams or joints that can result in thermal bridging. This seamless coverage improves the overall thermal performance of the building envelope.

Installation Areas for Blown-In Insulation

Attic Space

Attic space is a key area for blown-in insulation installation, helping to regulate temperature and reduce energy costs. Insulating your attic can prevent heat loss in the winter and keep your home cooler in the summer.

Wall Cavities

Wall cavities are crucial spaces for blown-in insulation, especially in exterior walls. Properly insulating these areas can significantly improve energy efficiency and reduce heating and cooling expenses.

Crawl Spaces

Crawl spaces often get overlooked but are essential for insulation. Insulating these areas helps maintain consistent temperatures throughout the house, preventing cold drafts and reducing energy waste.

Existing Walls

Adding blown-in insulation to existing walls can enhance the overall energy efficiency of your home. It helps create a thermal barrier, keeping indoor temperatures stable and reducing reliance on heating and cooling systems.

New Homes

For new homes, incorporating blown-in insulation during construction is beneficial. It ensures that every nook and cranny is properly insulated, maximizing energy savings from the start.

Living Space

Insulating living spaces with blown-in insulation contributes to a comfortable environment by maintaining optimal temperatures year-round. This leads to increased energy efficiency and lower utility bills.

Blown-in insulation should be installed by local insulation experts to ensure proper coverage and effectiveness. They can assess the specific needs of your home and recommend the best areas for installation based on factors like square footage, layout, and climate conditions.

When considering where to install blown-in insulation, it’s essential to focus on areas that have the most significant impact on energy savings. By insulating key areas like attics, wall cavities, crawl spaces, and living spaces effectively, you can create a more energy-efficient home environment that reduces heating and cooling costs over time.

Breaking Down the Costs of Blown-In Insulation

Cost Components

Blown-in insulation costs consist of various components, including the price of materials, labor expenses, and equipment rental. The total cost also accounts for factors like the thickness of insulation needed and any additional services required.

Blown-in insulation projects typically involve obtaining multiple quotes from different contractors to compare prices. This allows homeowners to make an informed decision based on the most competitive prices available in the market. Understanding the national average and regional variations can help in estimating the total cost accurately.

Influencing Factors

The square footage of the area needing insulation plays a significant role in determining the final cost. Larger areas require more materials and labor, leading to higher overall costs. Moreover, the type of blown-in insulation chosen affects pricing, with premium options costing more than standard varieties.

When considering blown-in insulation costs, homeowners should factor in potential savings numbers in terms of energy efficiency. While initial costs may seem high, investing in quality insulation can result in long-term savings on heating and cooling bills. Understanding these savings numbers is crucial for evaluating the overall value of the project.

Estimating Project Costs

To estimate costs accurately, homeowners should consider not only material and labor expenses but also any preparatory work needed before installation. This includes assessing existing insulation conditions and ensuring proper ventilation to maximize the effectiveness of new blown-in insulation.

One effective tip for estimating costs is to calculate the average price per square foot based on quotes received from contractors. By comparing these figures and considering additional services or warranties offered, homeowners can make an informed decision regarding their budget for a blown-in insulation project.

Material Costs for Blown-In Insulation

Types of Materials

Blown-in insulation utilizes various materials such as fiberglass, cellulose, and mineral wool. Each material offers unique characteristics suited for different needs.

Fiberglass, made of tiny glass fibers, is known for its fire resistance and moisture repellent properties. Cellulose, derived from recycled paper, provides excellent thermal performance and is environmentally friendly. Mineral wool, crafted from minerals or rocks, boasts superior sound absorption and mold resistance.

Cost Comparison

When considering the cost of blown-in insulation materials, it’s essential to weigh the price against the benefits offered by each type. Fiberglass tends to be more affordable upfront compared to cellulose and mineral wool. However, cellulose and mineral wool often provide better energy efficiency in the long run.

  • Pros:
    • Fiberglass: Affordable initial cost.
    • Cellulose: Excellent thermal performance.
    • Mineral Wool: Superior sound absorption.
  • Cons:
    • Fiberglass: Less energy-efficient.
    • Cellulose: Higher initial cost.
    • Mineral Wool: Prone to higher pricing.

Quality and Durability

In terms of quality and durability, fiberglass is renowned for its longevity and resistance to moisture, making it a popular choice among homeowners. Cellulose, while slightly less durable than fiberglass, offers excellent thermal protection. Mineral wool stands out for its exceptional fire resistance and ability to maintain its structure over time.

When selecting an insulation material based on quality and durability considerations, it’s crucial to evaluate factors like R-value, which measures thermal resistance, and the material’s ability to withstand environmental conditions.

Labor Costs for Installing Blown-In Insulation

Project Complexity

Labor costs for installing blown-in insulation can vary depending on the complexity of the project. Simple installations in open attics are generally more affordable compared to intricate projects involving multiple levels or hard-to-reach areas.

Professionals often charge higher rates for projects requiring additional labor, such as removing existing insulation, air sealing, or working around obstacles like ducts and wiring. These complexities can significantly impact the total labor cost of the installation process.

Finding Professionals

When looking for professionals to handle your blown-in insulation project, it is crucial to find reputable contractors with experience in this specific type of insulation. Seek recommendations from friends or family who have had similar work done recently.

Research online reviews and ratings to ensure you are hiring a qualified and trustworthy professional. Request quotes from multiple contractors to compare prices and services offered. Remember that choosing a reputable contractor may result in higher upfront costs but can save you money in the long run by ensuring a quality installation job.

Additional Expenses in Insulation Projects

Equipment Rentals

When planning for an insulation project, consider renting equipment such as blowers for blown-in insulation. These rentals can add to the overall cost.

Removal of Existing Insulation

Removing old insulation before installing new blown-in insulation is crucial. This process incurs extra costs but ensures better performance.

Sealing and Repairs

Addressing air leaks and making necessary repairs before installation is essential. Hiring professionals for this task can increase the project cost.

Permits and Inspections

Obtaining permits and scheduling inspections are mandatory steps in many locations. Budget for these additional expenses to avoid delays.

Cleanup and Disposal

After the installation, there will be debris and waste materials that need proper disposal. Factor in cleanup costs when budgeting for your project.

Contingency Fund

Setting aside a contingency fund is vital to cover any unforeseen expenses that may arise during the project. Allocate around 10-15% of your total budget for unexpected costs.

Energy Efficiency Upgrades

Consider incorporating energy-efficient upgrades during your insulation project to maximize savings on future utility bills.

Hiring Professional Contractors

While it may seem expensive upfront, hiring experienced insulation contractors can save money in the long run by ensuring proper installation.

  1. Pros:
    • Professional expertise leads to efficient installation.
    • Reduces the risk of errors that could result in higher costs later on.
  2. Cons:
    • Initial cost may be higher compared to DIY projects.
    • Dependency on contractors for quality workmanship.

Maintaining Your Blown-In Insulation

Regular Inspections

Regularly inspect old insulation for signs of wear or damage to ensure optimal performance and energy efficiency. Look for areas where the insulation may have settled or shifted.

Inspect new insulation installations to confirm that the coverage is uniform and there are no gaps or thin spots. Address any issues promptly to prevent heat loss and maintain comfort in your home.

Upkeep Tips

Ensure that your wall insulation is at the recommended level to provide adequate thermal resistance. Consider adding more insulation if needed to improve energy efficiency.

Perform enough insulation checks annually, especially after extreme weather conditions, to verify that the insulation is still effective. This can help prevent energy loss and reduce heating costs.

Common Issues and Solutions

If you notice drafts or cold spots in your home, consider air sealing to prevent heat loss and improve comfort. Use caulk or weatherstripping around windows, doors, and other openings.

Invest in a quality blower machine to efficiently distribute blown-in insulation throughout your home. Proper installation is crucial for maximizing its effectiveness and longevity.

Address any mold remediation promptly by identifying and fixing moisture issues in your home. Mold can compromise the integrity of the insulation and pose health risks to occupants.

For minor damages or settling, consider making repairs by adding more insulation as needed. This can help maintain consistent temperatures throughout your home and reduce energy bills.

Utilize blown-in insulation not only for thermal benefits but also for sound dampening properties. The dense fibers can help absorb sound waves, creating a quieter indoor environment.

Incorporating fire-retardant additives when installing blown-in insulation is a good idea for added safety measures. Consult with professionals to ensure proper installation techniques are followed.

Closing Thoughts

You now have a solid grasp of blown-in insulation, its benefits, costs, and maintenance requirements. By understanding these aspects, you are better equipped to make informed decisions regarding your home’s insulation needs. Remember to consider both material and labor costs, along with any additional expenses that may arise during the installation process. Regular maintenance will ensure the longevity and efficiency of your blown-in insulation, providing you with a comfortable living environment while potentially saving on energy bills in the long run.

For expert advice tailored to your specific situation, reach out to insulation professionals in your area. They can assess your home’s needs accurately and provide recommendations based on their expertise. Don’t hesitate to take the next step towards a well-insulated home that offers comfort and energy savings for years to come.

Frequently Asked Questions

How does blown-in insulation benefit homeowners?

Blown-in insulation helps in reducing energy bills by improving the home’s energy efficiency. It also enhances comfort by maintaining consistent room temperatures and reducing noise levels. Moreover, it is eco-friendly as it is made from recycled materials.

What are the main advantages of choosing blown-in insulation over other types?

Blown-in insulation provides better coverage in hard-to-reach areas, such as attics and walls, ensuring more effective thermal performance. It also offers higher R-values per inch compared to traditional batt insulation, resulting in better energy savings.

Is blown-in insulation suitable for all types of homes?

Blown-in insulation is versatile and can be used in various types of homes, including older structures with irregular spaces. It is particularly beneficial for homes with existing insulation that needs reinforcement or for areas where traditional insulation methods may be challenging to install.

How long does it typically take to install blown-in insulation?

The installation time for blown-in insulation varies depending on the size of the project and the accessibility of the installation areas. On average, a professional installation team can complete the job within a day or two for most residential projects.

Can blown-in insulation help increase the resale value of a home?

Yes, installing blown-in insulation can enhance the resale value of a home by improving its energy efficiency and overall comfort. Potential buyers are often attracted to homes with lower energy costs and better insulation, making it a valuable investment for sellers.


Find out the average cost of blown-in insulation and make an informed decision. Our guide provides pros, cons, and installation tips.