Average Cost of Blown-In Insulation in 2023: DIY or Hire a Pro?

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Are you tired of high energy bills and uncomfortable temperatures in your home? Consider investing in wall insulation and attic insulation to reduce insulation costs. Consult with local insulation experts for the best solutions. If so, it’s time to consider blown-in insulation. Attic insulation is a popular option known for its ability to improve energy efficiency and create a more comfortable living space in the house. It is important to consider insulation costs and consult with local insulation experts for the best results. But before you embark on this project, it’s important to understand the average cost of blown-in insulation for your attic and the factors that can influence installation costs, such as the size of the space, condition of the walls, and type of house.

We’ll explore the average costs associated with insulating your attic space, taking into account factors such as region, material, installation requirements, and the advertisement of wall insulation. Whether you’re looking to insulate your attic or your entire home, understanding the costs of hiring local insulation experts will help you plan and budget effectively. Whether it’s a small area or a large project, hiring a professional insulation contractor is essential.

So buckle up as we take a closer look at the average cost of blown-in insulation for your attic and equip you with the knowledge needed to tackle your insulation project head-on and increase the value of your home.

Understanding Blown-In Insulation

Blown-in insulation is a popular method used to fill gaps and cavities in walls, attics, and floors, providing value. Attic insulation involves the use of loose fibers or particles that are blown into these spaces by local insulation experts, providing excellent thermal resistance and helping to reduce energy consumption. This method is cost-effective and should be done by a professional insulation contractor to ensure quality and efficiency. Different materials can be used for blown-in insulation in the attic, including fiberglass, cellulose, mineral wool. These materials add value to the overall insulation of the attic.

Blown-In Insulation: What Is It?

Blown-in insulation is a technique where loose fibers or particles are blown into wall cavities, attics, and floors using a blower machine. This method allows for easy installation of attic insulation in hard-to-reach areas by a professional insulation contractor and ensures complete coverage by filling every nook and cranny. Additionally, it helps in reducing insulation costs.

The Benefits of Blown-In Insulation

Blown-in insulation is a great option for insulating your attic. It offers several advantages over other types of insulation. Firstly, hiring a professional insulation contractor for your attic can help reduce insulation costs. It provides superior thermal resistance, effectively trapping heat during colder months and keeping homes cool in warmer weather. This helps homeowners reduce their reliance on heating and cooling systems, resulting in lower energy bills and decreased insulation costs.

Blown-in insulation is an excellent choice when upgrading old insulation or adding insulation to existing structures. Its loose composition allows it to conform to any shape or size cavity without the need for extensive demolition work, making insulation costs more affordable. This makes it a cost-effective solution that can improve the energy efficiency and lower insulation costs of older homes.

Types of Materials Used

There are various materials available for blown-in insulation, each with its own unique properties. Fiberglass is a cost-effective choice for insulation due to its affordability and fire-resistant qualities. When considering insulation costs, fiberglass is often the preferred option. Cellulose is another popular option for insulation, known for its low insulation costs. It is made from recycled paper products treated with fire retardants. It offers excellent soundproofing capabilities along with thermal resistance.

Mineral wool is also commonly used for blown-in insulation as it provides exceptional fire resistance and sound absorption properties. Made from natural rock or slag fibers, mineral wool is an eco-friendly option that does not contain harmful chemicals.

Installation Process

The installation of blown-in insulation typically involves hiring a professional contractor equipped with a blower machine. They will carefully assess the areas requiring insulation and determine the appropriate material and thickness for optimal performance.

Once the preparation is complete, the contractor will use the blower machine to evenly distribute the loose fibers or particles into the designated spaces. This ensures a thorough coverage that fills gaps, seals air leaks, and provides maximum energy efficiency.

Average Costs for Blown-In Insulation

The average cost of blown-in insulation installation ranges from $1.50 to $3 per square foot, with additional costs for material costs and free estimates.

Blown-in insulation is a popular choice due to its affordability and effectiveness. On average, you can expect to pay between $1.50 and $3 per square foot for the installation of blown-in insulation. This cost range takes into account factors such as the size of your home and the type of material chosen.

Factors like the size of your construction home and the type of material chosen can affect the overall wall insulation costs. Get free estimates for your house today.

The size of your home plays a significant role in determining the overall cost of blown-in insulation installation. Larger homes require more material, which increases both the materials’ cost and labor involved in installing them. Different types of blown-in insulation materials come at varying price points, with some being more expensive than others.

When considering blown-in insulation options, you’ll come across materials such as fiberglass, cellulose, and mineral wool. Fiberglass tends to be on the lower end of the price spectrum, making it an economical choice for many homeowners. Cellulose is another commonly used material that offers good thermal performance at a slightly higher cost. Mineral wool is known for its excellent fire resistance but may be pricier compared to other options.

Professional insulation contractors may charge additional fees for labor and equipment. However, local insulation experts often provide free estimates to help homeowners understand the total cost of the project, including material costs.

While calculating the costs for blown-in insulation installation, it’s essential to consider any additional fees charged by professional installers. These fees typically cover labor costs and equipment rental expenses incurred during the installation process. The complexity of your project or any unique requirements may also impact these charges.

Professional installers have experience in handling blown-in insulation projects efficiently and effectively. They ensure proper coverage and seamless integration with existing structures while adhering to safety guidelines. While hiring professionals may add some extra costs upfront, their expertise can save you money in the long run by avoiding potential issues or rework.

To get an accurate estimate for blown-in insulation costs, it’s recommended to request quotes from multiple installers. This way, you can compare prices and choose the option that best fits your budget and requirements. Consider consulting with professionals who can assess your home’s specific needs and provide tailored recommendations.

Factors Influencing Installation Costs

Complexity of Home Layout and Accessibility

The complexity of your home’s layout and accessibility can have a significant impact on the installation costs of blown-in insulation. If your home has multiple levels, intricate architectural features, or limited access to certain areas, it may require more time and effort to install the insulation properly. This can result in higher labor costs as installers navigate through tight spaces or work around obstacles.

For example, if you have a cathedral ceiling or attic with irregular shapes and angles, it may be more challenging for installers to evenly distribute the blown-in insulation. Similarly, if your home has crawl spaces or hard-to-reach corners that require extra care during installation, it can increase the overall project costs.

Prep Work and Necessary Repairs

Another factor that influences the cost of blown-in insulation is the amount of prep work required before installation. In some cases, existing insulation needs to be removed or upgraded before new insulation can be installed effectively. This additional step adds to both material and labor costs.

Prep work may also involve addressing any necessary repairs in your home’s structure or sealing air leaks. Repairing damaged walls, fixing gaps around windows and doors, or reinforcing weak areas can ensure optimal insulation performance but may add to the overall project costs.

Upgrading Existing Insulation

If you already have insulation in your home but want to upgrade its effectiveness by adding blown-in insulation, this will affect the total cost as well. The process of upgrading existing insulation typically involves assessing its condition and determining if any adjustments are needed before installing additional blown-in insulation.

In some cases, old or ineffective insulation may need to be removed entirely before new materials are added. This removal process adds an extra step to the installation procedure and increases labor costs accordingly.

Project Size and Square Footage

The size of your project plays a crucial role in determining the cost of blown-in insulation installation. Larger projects with more square footage will naturally require more material and labor, resulting in higher overall costs. Similarly, if you have multiple areas of your home that need insulation, such as walls, attics, or crawl spaces, the total project size will increase.

To calculate the cost accurately, insulation contractors typically measure the square footage of the area to be insulated. The larger the area, the more material and time it will take to complete the installation.

Types and Costs of Blown-In Insulation Materials

Blown-in insulation is a popular choice due to its effectiveness in reducing energy costs and improving comfort. However, the cost of blown-in insulation can vary depending on the type of material used. Let’s take a closer look at the different types of blown-in insulation materials and their average costs per square foot.

Fiberglass Blown-In Insulation: Affordable and Efficient

Fiberglass blown-in insulation is one of the most common options available. It consists of tiny glass fibers that are blown into attics, walls, or other areas using specialized equipment. This type of insulation typically costs between $0.90 to $1 per square foot.

One advantage of fiberglass blown-in insulation is its affordability compared to other materials. It offers good thermal resistance and can effectively reduce heat transfer in your home. Fiberglass is non-combustible and resistant to moisture, making it a durable option for long-term use.

Cellulose Blown-In Insulation: A Budget-Friendly Choice

Cellulose blown-in insulation is made from recycled paper products treated with fire-retardant chemicals. This eco-friendly option provides excellent thermal performance while being more affordable than some other materials. On average, cellulose blown-in insulation ranges from $1 to $1.50 per square foot.

The main advantage of cellulose insulation is its ability to fill gaps and cavities effectively, providing better coverage and reducing air leakage in your home. It also has good soundproofing qualities, making it ideal for reducing noise transmission between rooms.

Mineral Wool Blown-In Insulation: High Performance for Insulating New Construction Walls with Professional Installation at a Higher Cost.

Mineral wool blown-in insulation is made from natural rock or slag fibers that are spun into fine strands and then installed using blowing machines. This type of insulation offers superior fire resistance and sound absorption properties but comes at a higher cost. On average, mineral wool blown-in insulation has a price range of $2 to $3 per square foot.

One of the key benefits of mineral wool insulation is its excellent thermal performance, providing high levels of energy efficiency and reducing heating and cooling costs. It is also resistant to mold, mildew, and pests, making it a durable option for long-lasting insulation.

Additional Financial Considerations

Utility Company Rebates and Incentives

Some utility companies offer rebates or incentives for installing energy-efficient insulation. These programs aim to encourage homeowners to make energy-saving upgrades and reduce their overall energy consumption. By taking advantage of these rebates, you can offset a portion of the costs associated with blown-in insulation.

Long-Term Energy Savings

While blown-in insulation may have an initial cost, it can lead to significant long-term energy savings. Properly installed insulation helps to create a thermal barrier that prevents heat transfer between the inside and outside of your home. This means that during hot summer months, your home remains cooler, reducing the need for excessive air conditioning. Similarly, in colder climates, blown-in insulation helps to keep your home warm by preventing heat loss.

By reducing the demand for heating and cooling systems, blown-in insulation can lower your monthly utility bills. Over time, these savings can add up and help offset the initial investment in insulation. It’s important to consider the potential long-term energy savings when evaluating the overall cost of blown-in insulation.

Increased Resale Value

Properly installed insulation can also increase your home’s resale value. Many buyers today are looking for energy-efficient features in homes as they prioritize sustainability and want to save on utility costs. Having high-quality blown-in insulation installed demonstrates that your home is well-insulated and energy-efficient.

When it comes time to sell your property, having upgraded insulation can be a selling point that attracts potential buyers. They may be willing to pay a higher price knowing that they will benefit from reduced energy costs in the long run. So, while blown-in insulation may initially seem like an expensive option, it has the potential to provide financial compensation when you decide to sell your home.

Getting Multiple Quotes

When considering blown-in insulation for your home, it’s essential to get multiple quotes from different contractors or companies specializing in insulation installation. The overall cost of blown-in insulation can vary based on several factors, including the size of your home, the type of insulation material used, and the complexity of the installation.

By obtaining multiple quotes, you can compare costs and ensure that you’re getting a fair price for the services provided. It’s important to note that while cost is a factor to consider, it shouldn’t be the sole determining factor. Quality installation is crucial for optimal energy efficiency and long-term savings.

Benefits and Drawbacks of Blown-In Insulation

Benefits of Blown-In Insulation

Blown-in insulation offers several benefits that can significantly improve the energy efficiency, comfort, and overall performance of your home. Firstly, it effectively fills gaps and cavities in walls, attics, and other areas where it is installed. This helps to reduce air leakage and prevent drafts, ensuring that your home remains well-insulated.

By reducing air leakage, blown-in insulation also helps to minimize the transfer of noise from outside into your home. This means you can enjoy a quieter living space without being disturbed by external sounds such as traffic or neighbors.

Another major advantage of blown-in insulation is its ability to enhance energy efficiency. The insulation material creates a barrier that prevents heat loss during the winter months and heat gain during the summer months. As a result, your home stays cooler in the summer and warmer in the winter without overtaxing your HVAC system.

Improved energy efficiency directly translates to reduced utility bills. With blown-in insulation properly installed throughout your home, you can expect to see significant savings on your heating and cooling costs over time. These savings can add up substantially, making blown-in insulation a worthwhile investment for homeowners looking to lower their monthly expenses.

Blown-in insulation is highly versatile and adaptable. It can be easily installed in various types of structures, including older homes with existing walls or attics that are difficult to access through traditional methods. The flexibility of this type of insulation allows for efficient coverage even in hard-to-reach areas.

Drawbacks of Blown-In Insulation

While there are many benefits associated with blown-in insulation, it’s essential to consider some potential drawbacks as well. One primary concern for homeowners is the higher upfront cost compared to other types of insulation.

Blown-in insulation typically requires professional installation due to specialized equipment needed for proper application. This professional installation adds an additional expense that may deter some homeowners from choosing this insulation option.

Furthermore, blown-in insulation may require periodic maintenance to ensure its effectiveness over time. Over the years, the insulation material can settle or become compacted, reducing its insulating properties. Regular inspections and adjustments may be necessary to maintain optimal performance.

Another potential drawback of blown-in insulation is its susceptibility to moisture-related issues. If not installed correctly or if there are existing moisture problems in the home, blown-in insulation can absorb moisture and lead to mold growth or damage to the building materials.

It’s important to address any existing moisture issues before installing blown-in insulation and ensure proper ventilation in your home to prevent future problems.

Cost Comparisons with Other Insulation Types

Blown-in insulation is a popular choice for homeowners looking to improve their energy efficiency and reduce heating and cooling costs. But how does it stack up against other insulation types.

Blown-in Insulation vs. Spray Foam Insulation

When comparing blown-in insulation to spray foam insulation, one of the main differences is the cost. Blown-in insulation generally costs less than spray foam insulation, making it a more budget-friendly option for many homeowners. However, both types of insulation provide similar benefits in terms of improving energy efficiency and reducing utility bills.

Blown-in Insulation vs. Batt or Roll Insulation

Compared to batt or roll insulation, blown-in insulation offers better coverage in hard-to-reach areas such as attics, crawl spaces, and wall cavities. This is because blown-in insulation can be easily distributed and fills gaps more effectively, resulting in improved thermal performance.

Batt or roll insulation, on the other hand, comes in pre-cut sheets that need to be measured and fitted into place manually. While this type of insulation may be easier to install in open areas like walls or ceilings without obstructions, it may not provide the same level of coverage as blown-in insulation.

Consider Your Specific Needs

When choosing between different types of insulation, it’s essential to consider your specific needs and circumstances. Each type has its own advantages and disadvantages that may influence your decision.

For example, if you have a tight budget but still want to improve your home’s energy efficiency, blown-in insulation could be an excellent choice due to its lower cost compared to alternatives like spray foam. On the other hand, if you’re looking for easy installation or prefer working with pre-cut sheets of material, batt or roll insulation might be more suitable for your needs.

It’s also worth noting that different materials are used for insulation, such as cellulose and fiberglass. The material cost can vary depending on the type and brand you choose. Fiberglass insulation is a common choice due to its affordability, while cellulose insulation is known for its eco-friendly properties.

Tips for Cost-Effective Insulation Upgrades

Before installing blown-in insulation, it is important to seal air leaks in the attic and walls for maximum effectiveness. Consider professional installation for a thorough job. Spray foam can be used to seal any gaps or cracks in the building envelope.

Before you jump into adding new insulation to your attic, it’s crucial to address any existing air leaks. These gaps and cracks can significantly reduce the efficiency of your insulation and allow precious warm or cool air to escape. By sealing these leaks, you create a tighter barrier that helps retain the desired temperature inside your home.

One effective way to identify air leaks is by conducting an energy audit. This assessment will pinpoint areas where air is escaping or entering your home, allowing you to focus on sealing those specific spots. You can hire local insulation experts or even perform a DIY audit using tools like a thermal camera or smoke pencil.

Once you’ve identified the problem areas, it’s time to seal them up. Use materials like caulk or weatherstripping for smaller gaps around windows and doors. For larger gaps or holes, consider using expanding foam sealant. By taking this extra step before installing blown-in insulation, you ensure maximum efficiency and cost-effectiveness in the long run.

Consider adding additional attic ventilation to prevent moisture buildup.

Proper ventilation is essential in maintaining a healthy and energy-efficient home.Adequate airflow helps prevent moisture buildup, which can lead to mold growth and structural damage over time. Before installing blown-in insulation, assess your current attic ventilation system and determine if any improvements are necessary.

If you find that your attic lacks proper ventilation, consider adding additional vents or fans. Ridge vents along the roofline combined with soffit vents under the eaves create a natural flow of air through the space. This circulation helps remove excess heat and moisture from the attic while ensuring optimal performance of your insulation.

Consulting with an insulation contractor or professional who specializes in attic ventilation can provide valuable insights into what type of system will work best for your home’s specific needs. They can also ensure that the ventilation upgrades are installed correctly, maximizing their effectiveness.

Consult with local insulation experts or conduct thorough research to ensure you choose the right insulation type for your climate.

Not all materials are created equal. The right choice for your home depends on various factors, including your climate and specific needs. Before making a decision, consult with professionals or conduct thorough research to determine which insulation material will work best in your region.

Spray foam insulation is known for its excellent air sealing properties and sound dampening capabilities. However, it may not be the most cost-effective option for every homeowner. Fiberglass blown-in insulation is often more affordable and readily available at home improvement stores. It provides excellent thermal performance and can be easily installed in attics with enough space.


In conclusion, blown-in insulation offers a cost-effective solution for homeowners looking to improve the energy efficiency of their homes. We have explored the average costs of blown-in insulation, the factors that influence installation costs, and the types and costs of different blown-in insulation materials. We have discussed the benefits and drawbacks of this insulation method and compared its costs with other types of insulation. By considering these factors and following our tips for cost-effective insulation upgrades, you can make an informed decision that suits your budget and needs.

Now that you have a better understanding of the average costs and considerations associated with blown-in insulation, it’s time to take action. Contact a reputable insulation contractor to assess your home’s needs and provide a detailed estimate. Investing in blown-in insulation not only saves you money on energy bills but also contributes to a more sustainable future by reducing your carbon footprint. Take control of your home’s comfort and energy efficiency today by exploring the benefits of blown-in insulation.


How much does blown-in insulation cost?

The average cost of blown-in insulation ranges from $1.50 to $3 per square foot, including installation. However, the actual cost may vary depending on factors such as the size of your home, the type of insulation material used, and your location.

Is blown-in insulation a good investment?

Yes, blown-in insulation is a worthwhile investment for homeowners. It helps improve energy efficiency by reducing heat loss or gain, resulting in lower utility bills. It enhances indoor comfort by maintaining consistent temperatures and reducing noise transmission.

How long does blown-in insulation last?

Blown-in insulation has a lifespan of around 20 to 30 years. However, its durability can be influenced by various factors like moisture exposure and pest infestations. Regular maintenance and inspections can help ensure its effectiveness over time.

Can I install blown-in insulation myself?

While it’s possible to install blown-in insulation as a DIY project, it’s recommended to hire professionals for optimal results. They have the expertise and equipment necessary to properly assess your home’s needs, ensure even distribution of insulation material, and handle any potential challenges.

Will adding blown-in insulation to the attic and walls of my house increase its resale value? It’s a common question among homeowners looking to improve their property. The answer is yes, according to multiple quotes from real estate experts.

Yes, adding blown-in insulation can potentially increase your home’s resale value. Energy-efficient features like proper insulation are attractive selling points for buyers as they offer long-term savings on utility costs and contribute to overall comfort and sustainability.


Discover the average cost of blown-in insulation in 2023 and make an informed decision on whether to DIY or hire a professional. Get accurate pricing information now!