Blown-In vs. Fiberglass Insulation: Which Is Better for Your Home in 2025?

Blown-In vs. Fiberglass Insulation Comparison Guide

If you’ve noticed your energy bills climbing lately, you’re not alone. Homeowners across Pensacola, Milton, Pace, Navarre, Crestview, Gulf Breeze, and Foley, Alabama, are paying closer attention to how their homes are insulated. Two of the most talked-about options today? Blown-in insulation and fiberglass batts.

Both have their pros and cons—but depending on your home, budget, and goals, one might make more sense than the other. Let’s break it down in plain English.

What Exactly Is Blown-In Insulation?

Blown-in insulation is made of loose materials—either cellulose (from recycled paper) or fiberglass—that are sprayed into walls, ceilings, or attics using a special machine. Because it settles into cracks and gaps, it’s great for oddly shaped spaces or older homes that need help sealing air leaks.

It’s also:

  • Fire-resistant (thanks to chemical treatments)
  • Eco-friendly (especially the cellulose kind)
  • Energy-efficient (R-value of around 3.2 to 3.8 per inch)

If your home has tight corners or weird spaces, blown-in does a great job of getting into every nook.

What About Fiberglass Insulation?

You’ve probably seen fiberglass insulation before—those fluffy pink or yellow rolls at the hardware store. It’s made from tiny glass fibers and is one of the most common materials used in homes.

Fiberglass insulation is:

  • Budget-friendly
  • Easy to install (especially in new construction)
  • Resistant to fire and moisture
  • Also offers an R-value of about 2.9 to 3.8 per inch

It’s especially useful in homes with standard wall cavities and accessible framing. Whether you’re renovating or building from the ground up, fiberglass is a reliable and cost-effective option.

So, What’s the Difference?

Let’s compare them side by side in everyday terms:

FeatureBlown-In InsulationFiberglass Batts
Best ForOlder homes or tricky spacesNew builds or standard walls
Air SealingExcellent at blocking leaksLess effective if not installed perfectly
DIY-Friendly?Not really—needs pro equipmentYes, if you’re handy
CostHigher upfront (due to pro install)Lower initial cost
Green FactorHigh (especially cellulose)Also recycled, but uses more energy to make
SoundproofingGreat at reducing noiseDecent, but not as dense

Bottom line? Blown-in insulation offers better coverage and sealing, while fiberglass batts are easier on your wallet and easier to install.

Which One Works Better for Your Home?

Here’s a quick way to figure it out:

  • If you live in an older house with drafty rooms and strange cavities, blown-in is likely your best bet. It fills gaps and helps stop unwanted air from sneaking in or out.
  • If you’re building new or remodeling and your walls are open and standard-sized, fiberglass batts are a solid, affordable choice.

Also think about:

  • Your budget
  • How important energy savings are to you
  • Whether you want to use eco-friendly materials

Need help deciding? A professional energy assessment can point you in the right direction.

Where These Insulations Work Best

In Homes

  • Blown-In: Fantastic for attics, older homes, and any place where air tends to leak.
  • Fiberglass: Great for walls, floors, and ceilings in newer homes or remodels.

In Commercial Buildings

  • Blown-In: Fast to install with minimal disruption to operations—especially helpful in offices or retail spaces.
  • Fiberglass: Ideal for covering large areas like warehouses and open-floor commercial builds.

Don’t Skip Professional Installation

Even the best insulation won’t work well if it’s installed poorly.

  • Blown-in needs trained professionals and special machines to apply it evenly and effectively.
  • Fiberglass may seem simple to install, but gaps, compression, or poor placement can reduce its performance. A pro can get it done right the first time.

If you’re in the Florida Panhandle or Southern Alabama, Prestige Insulation Solutions offers expert service tailored to your needs—no guesswork, no shortcuts.

Ready to Make Your Home More Comfortable?

Insulation makes a huge difference in how your home feels—and how much you spend to heat and cool it. Whether you’re leaning toward blown-in or fiberglass, we’ll help you figure out the right fit.

Call us at (850) 429-4969
Visit: prestigeinsulationsolutions.com
Email: [email protected]

FAQ: Real Questions from Local Homeowners

1. Which insulation type lowers energy bills the most?
Blown-in usually performs better at sealing leaks, which helps cut energy use more effectively—especially in older homes.

2. Can I install it myself?
Fiberglass batts are DIY-friendly if you’re careful. Blown-in insulation needs professional equipment and training.

3. How long does insulation last?
Both types can last 20 to 30 years with proper installation and care.

4. Where should I insulate first?
Start with your attic—it’s the area most responsible for heat loss and high utility bills.

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