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How to Choose the Best Batt Insulation for Your Home

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When trying to improve energy efficiency around the home, the type of insulation you choose plays a major role. For a cost-saving solution compared to spray foam insulation that still prevents air leaks, consider batts as your next installation. These structural insulated panels, made from a variety of materials, can be placed strategically in attics, basements, and walls to effectively insulate your home, reducing heating and cooling expenses year round.

To find out more about how to choose the most efficient batt insulation for your home, stay tuned. This blog will dive into everything you need to know about the different types of batt insulation, the benefits, and where to install it.

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What Is Batt Insulation?

Batt insulation refers to a type of blanket insulation that comes in pre-cut pieces. With a standard thickness of 3.5 inches and lengths of 48 inches or 96 inches, each piece is simple and easy to measure, cut and install in attics, basements, walls, and more.

Batts Vs. Other Insulation Materials: What's The Difference?

When choosing the ideal insulation for your home, understanding the differences between spray foam, batts, and blown-in cellulose is the first step toward making the best choice. Each type has unique advantages and drawbacks in terms of cost, installation, and performance.
Spray Foam Insulation

Pros:

  • Superior Air Sealing – Both open and closed cell spray foam can be sprayed into tight gaps and cracks to significantly reduce air leakage and moisture infiltration.
  • High R-Value – Generally offers a higher R-value per inch for improved energy efficiency.
  • Long Lifespan – Does not sag or settle over time, allowing it to maintain performance for longer.

Cons:

  • Higher Cost – Liquid foam insulation materials are some of the most expensive options on the market.
  • Professional Installation Required – Requires specialized equipment and expertise for effective installations. Not sure where to start? Eco Tec Insulation can help!
  • Potential Off-Gassing – Can emit chemicals during application, requiring proper ventilation.
Blown-In Cellulose Insulation

Pros:

  • Good Air Sealing – Fills irregular spaces more efficiently than batts, but less efficiently than spray foam insulation products.
  • Eco-Friendly – Made from recycled materials like shredded newspaper and treated for fire resistance.
  • Effective Soundproofing – Provides better noise reduction than fiberglass batts.

Cons:

  • Can Settle Over Time – Can lose effectiveness over time as it compacts, requiring more frequent touch-ups than spray foam.
  • Requires Blower Equipment – Typically needs professional installation, though rental equipment is available for DIYers.
  • Dusty Application – Loose fill insulation can be messy during installation and may require protective gear.

Batt Insulation

Pros:

  • Budget-Friendly – Batts insulation is the most cost-effective option, while providing an effective vapor barrier and air sealing.
  • Installation-Friendly – Easy to cut and install, batts are ideal for both quick expert installations and DIY homeowners looking to save on labor costs.
  • Variety of Materials – Available in fiberglass, mineral wool, and natural fibers to suit different needs.

Cons:

  • Less Air Sealing – Does not seal air leaks as effectively as spray foam insulation.
  • Installation Gaps – Must be installed carefully to avoid gaps that reduce efficiency.
  • Can Settle Over Time – May compress or shift, potentially reducing effectiveness.

Types of Batt Insulation

If you’re considering batts for your next basement or attic insulation material, it’s important to consider which type of batts to choose. Different materials offer unique R-values, climate advantages, and other factors that impact thermal performance.
Fiberglass Batts Insulation

The most popular and affordable batt insulation material, fiberglass insulation typically has an R-value between R-2.9 to R-3.8 per inch. It’s lightweight and easy to install, making it ideal for almost any location (walls, attics, floors, etc.). However, keep in mind that fiberglass can cause skin irritation during installation and requires proper safety gear.

Mineral Wool Insulation
With the highest R-value between R-3.0 to R-4.3 per inch, mineral wool is the best batts option for cold climates or areas that require fire resistance (up to 1,800°F). This material is also water-resistant, allowing it to maintain performance even in damp conditions. Just keep in mind that it’s more expensive than fiberglass and slightly heavier to handle during installation.
Cellulose Batts Insulation
Cellulose insulation offers an R-value between R-3.2 to R-3.8 per inch, giving it middle-of-the-road thermal performance. Its stand out feature is being made from flexible, recycled materials that fit well in irregular spaces. However, do keep in mind that cellulose can absorb moisture, so proper vapor barriers may be needed to prevent mold growth.
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How to Choose the Best Batt Insulation

When deciding which batt insulation will offer the best performance for your home, multiple factors, including energy efficiency, climate, and the area of installation, all play a role:
Consider the R-Value

R-value is simply a measurement for insulation effectiveness. The higher the R-value, the more thermal resistance that material has. We always recommend choosing a material that offers an R-value aligned with your region’s climate and your home’s specific needs. Here are some general guidelines:

  • Summer: 1–2 R-value
  • Shoulder seasons: 3–5 R-values
  • Winter: 6+ R-values
Know The Local Climate

If moisture problems are left unchecked, they can lead to serious issues, including:

  • Mold and Mildew Growth – High humidity and standing moisture promote mold growth, which can reduce indoor air quality and pose health risks.
  • Structural Damage – Excess moisture can lead to wood rot, weakening support beams and the floor above the crawlspace.
  • Pest Infestations – Termites, rodents, and other pests thrive in damp environments and can cause significant damage.
  • Higher Energy Costs – Moist air makes heating and cooling systems work harder, leading to increased costs.
The Importance of Moisture Control

From the dry, hot deserts of Arizona to the frozen forests of Maine, every region is different. Your specific region will determine the ideal R-value and moisture resistance. Here are some general tips:

  • Hot Climates: Moderate R-values work well to keep cooling costs down. We recommend fiberglass as a cost-effective option.
  • Cold Climates: Opt for thermal insulation materials with high R-values, like mineral wool insulation.
  • Humid Climates: Choose moisture-resistant batts like fiberglass to prevent mold.
  • Dry Climates: Consider eco-friendly cellulose insulation if moisture isn’t a concern.
Insulation Location

Whether you’re installing rigid foam insulation in your basement or exterior walls, each location has different needs. Here are some tips for creating the most effective barrier in any location:

  • Attics: Higher R-value batts are best for preventing heat loss.
  • Walls: Fiberglass batts provide effective thermal resistance for interior walls. Exterior walls may require stronger insulation materials.
  • Basements & Floors: Moisture-resistant materials like mineral wool or fiberglass work best in below-grade spaces.

Does Your Home Need New Insulation?

Not sure if you need a new batts installation? Here are some signs your existing insulation is no longer performing at its best:

  • Increased Utility Bills: A spike in heating and cooling costs, especially if your usage hasn’t increased, often signals an installation issue.
  • Inconsistent Room Temperatures: Areas in your home that feel abnormally hot or cold are often indicative of inadequate insulation levels.
  • Pest Infestations: Rodent or insect infestations are often a sign that your insulation barrier has broken down, as they contaminate insulation materials by nesting in them.
  • Visible Damage: Water damage, mold, or signs of deterioration are clear indicators that your insulation is likely compromised.

The Importance of Professional Installation

Proper installation is key to unlocking the full benefits of any type of insulation, from closed cell foam to fiberglass batts. Unlike DIY installation, professionals apply batts evenly and effectively to gaps and prevent air leaks that could undermine energy efficiency.

With Eco Tec Insulation’s expert team, you can be confident that your home will have optimal coverage and long-term durability. Professional installation also ensures compliance with safety standards and helps avoid costly mistakes.

Schedule an Insulation Assessment Today

To maximize energy efficiency and comfort in your home, Eco Tec Insulation can assess your current insulation and create a detailed plan for batts insulation. Schedule a consultation with our experts to evaluate your insulation and receive personalized installation services. Contact us today at (847) 675-1400 to schedule your insulation assessment and enhance your building’s performance.

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