Blown-In Insulation Cost - Same-Day Service, Done Right the First Time

How Much Does Blown-In Insulation Cost in Austin?

Blown-in insulation in Austin typically costs between $1,800 and $4,200 for a standard 1,500-square-foot attic, with most homeowners paying around $2,800. The material itself runs $1.10 to $2.75 per square foot installed, depending on whether you choose fiberglass or cellulose and the target R-value for our climate zone. Austin sits in Climate Zone 2, which means R-38 to R-60 is the recommended attic range, and that target depth drives most of the price difference.

That’s the short answer. The longer answer involves attic size, existing insulation condition, air-sealing work, and whether you want us to remove old material first. We’ll break all of it down below with real numbers from the Austin market.

Blown-In Insulation Cost Breakdown (2026)

Here’s what you can expect to pay in Austin this year. These are installed prices, including labor, equipment, and cleanup:

What moves the number up or down? The biggest variable is your attic’s current condition. If you have settled fiberglass batts that just need topping off, you’re looking at the low end. If you have a 1970s ranch in Crestview with original insulation that’s been through 50 Austin summers and a few raccoon visits, expect removal plus treatment costs before we blow anything in.

Cellulose runs about 20 to 30 percent more than fiberglass because it’s denser and requires more material to hit the same R-value, but it blocks airflow better and holds its R-value in extreme heat. Fiberglass is lighter, cheaper, and fine for most attic applications in Austin’s climate.

What Affects Blown-In Insulation Pricing in Austin

• Attic square footage and accessibility. A flat, open attic in a 2005 Round Rock subdivision is faster to work in than a 1960s Hyde Park attic with steep pitches, low clearance, and original framing. Labor hours differ significantly.
• Target R-value. Austin’s building code and energy-efficiency programs generally recommend R-38 minimum, but many homeowners in neighborhoods like Allandale and Mueller are upgrading to R-49 or R-60 to cut summer AC loads. Each step up adds material depth and cost.
• Existing insulation condition. If your current insulation is damp, moldy, or full of animal droppings, it has to come out before new material goes in. Removal adds $1,000 to $2,500 depending on attic size and contamination level.
• Air sealing scope. Older Austin homes, especially pre-1980 builds in Bouldin Creek or Travis Heights, have dozens of unsealed penetrations: recessed lights, plumbing vents, electrical boxes. Sealing these before blowing insulation is where the real comfort gains come from, and it adds labor.
• Material choice: fiberglass vs. cellulose. Cellulose costs more but performs better in windy, drafty attics. Fiberglass is the budget option. We stock both and match the material to your attic’s actual conditions, not to whatever is left on the truck.
• Time of year. Austin insulation companies get slammed in May and June when the first 100-degree days hit. Prices don’t necessarily spike, but lead times stretch. Winter and early spring are easier to book and sometimes come with manufacturer rebates on Owens Corning and CertainTeed products.

Blown-In Insulation Cost vs. Spray Foam in Austin

Homeowners ask this constantly, so let’s put numbers on it. Spray foam in an Austin attic runs $3.50 to $7.00 per square foot for open-cell and $5.00 to $9.00 for closed-cell, installed. That means a 1,500-square-foot attic costs $5,250 to $13,500 for spray foam, compared to $1,800 to $3,200 for blown-in fiberglass or cellulose.

Is spray foam better? Sometimes. It air-seals and insulates in one step, which is unbeatable for attics with HVAC equipment and ductwork. But for most Austin homeowners, our Blown In Insulation services deliver 80 percent of the comfort improvement at a third of the cost. That’s why we recommend starting with blown-in plus targeted air sealing, then upgrading to spray foam only if you have a specific problem like an unvented attic or ductwork that can’t be moved.

We install both, and we’ll tell you straight which one makes sense for your house. Our technicians carry materials from eight brands, including Johns Manville, Knauf, Rockwool, Icynene, and Demilec, so we’re not pushing one product line because it’s all we stock.

How to Save on Blown-In Insulation in Austin

Here’s what actually reduces your final bill, based on what we’ve seen across thousands of Austin attics since 2002:

• Combine air sealing with your insulation job. Doing them together saves one mobilization fee and one trip charge. It also means you never pay for two visits.
• Check for Austin Energy rebates. Austin Energy runs periodic efficiency rebate programs for insulation upgrades. The amounts change year to year, but we’ll tell you what’s active when you call and help you file the paperwork.
• Don’t pay for removal you don’t need. If your existing insulation is dry and uncontaminated, we can blow right over it. That skips the $1,000 to $2,500 removal line item entirely.
• Ask about off-peak scheduling. We stay busy year-round in Austin, but January and February bookings sometimes come with manufacturer promotions from GreenFiber or CertainTeed that lower your material cost.
• Get a written price before work starts. This is the biggest money-saver, honestly. Our written price includes everything: labor, materials, equipment, cleanup. No post-job surprises, no “we had to add another truck” phone calls. You know the number before we show up.

Every estimate from Aspen Attic Insulation Austin is free. Call (325) 246-2929 and we’ll schedule a time to measure your attic and hand you a written quote, usually within a day or two.

How Long Does Blown-In Insulation Last in Austin’s Climate?

Fiberglass blown-in insulation lasts 50 to 100 years if it stays dry and undisturbed. Cellulose lasts 20 to 40 years before it settles noticeably and loses R-value. Austin’s climate matters here: our long, humid summers mean any roof leak or condensation issue degrades insulation faster than it would in a dry climate like West Texas.

The signs that your Austin attic insulation needs replacing or topping off: your AC runs constantly in July and August, upstairs rooms run 5 to 10 degrees hotter than downstairs, or you can see the tops of your ceiling joists when you peek into the attic. If you can see joists, you’re under-insulated for Climate Zone 2, and you’re paying for it every month on your Austin Energy bill.

Why Blown-In Insulation Makes Sense for Austin Homes

Austin’s climate punishes under-insulated attics more than almost any other factor in home comfort. Attic temperatures hit 140 to 160 degrees in August afternoons here. That heat radiates down through your ceiling for hours after sunset, which is why your AC runs until 11 p.m. even when the outside temperature has already dropped.

Blown-in insulation fills the attic cavity completely, including the odd corners and tight spots where batt insulation leaves gaps. Those gaps aren’t just comfort leaks, they’re money leaks. A properly insulated Austin attic with R-38 or better can cut annual cooling costs by 15 to 25 percent depending on your home’s age and orientation.

For more on how blown-in insulation works and what our process looks like, see our Blown-In Insulation in Austin page.

What to Expect When You Call Us

Here’s how our process works at Aspen Attic Insulation Austin, and I’ll be specific because you deserve to know exactly who is walking through your door.

When you call (325) 246-2929, a live person answers. Not a voicemail tree, not a call-back service. Then we schedule a time for a technician to come out, take measurements, and check the condition of your existing insulation. Before that technician arrives, we send you their name and photo. They show up in a clean marked uniform and show you their photo ID badge at the door. If anyone else shows up claiming to be from our company, that visit is free and we’ll make it right. That’s the Threshold Standard, and every technician on our team works to it.

You get a written price before any work starts. That price covers everything. If we find something unexpected mid-job, we stop, show you, and get your approval before proceeding. No surprise line items.

Finally, every job carries our 365-Day Done Right Promise in writing. If the insulation isn’t performing the way it should within a year, we come back and fix it at no charge. Labor and materials both covered. That’s the guarantee, and it’s been in writing on every job we’ve done since we started.

FAQs – Blown-In Insulation Cost

How much does blown-in insulation cost per square foot in Austin?

Blown-in insulation in Austin runs $1.10 to $2.75 per square foot installed, depending on material type and target R-value. A standard 1,500-square-foot attic lands between $1,800 and $4,200 total. Call (325) 246-2929 for an exact quote; estimates are free.

Is blown-in insulation cheaper than spray foam?

Yes, significantly. Blown-in insulation costs $1,800 to $4,200 for a typical Austin attic, while spray foam runs $5,250 to $13,500 for the same space. Blown-in delivers strong energy savings at roughly a third of the cost. We install both and will recommend whichever fits your attic’s condition and your budget.

Can you install blown-in insulation the same day?

In most cases, yes. Once we’ve measured your attic and you’ve approved the written price, the actual blowing typically takes 3 to 5 hours for a standard Austin home. Call (325) 246-2929 and we’ll check current availability; a live person answers 24/7.

How much does attic insulation removal cost in Austin?

Removal of old, damaged, or contaminated insulation in Austin runs $1,000 to $2,500 depending on attic size and the condition of the material. You only need removal if the existing insulation is wet, moldy, or has animal contamination. If it’s dry and clean, we blow right over it and you skip that cost entirely.

Is R-38 enough insulation for an Austin attic?

R-38 is the minimum recommended for Climate Zone 2, which includes Austin. Most new builds and energy-conscious homeowners go with R-49 or R-60 to reduce summer AC loads. Upgrading from R-38 to R-60 on a typical attic adds roughly $400 to $900 and typically pays for itself within 3 to 5 years on Austin Energy bills.

Get a Free Blown-In Insulation Estimate in Austin

If you want an exact number for your attic, not a range, the fastest way is to call us. We’ll come out, measure the space, check your existing insulation, and hand you a written price. No sales pitch, no pressure, no “today only” nonsense. Just the number, in writing, with our 365-day guarantee behind it.

Call (325) 246-2929 to schedule your free estimate. A live person will answer.

Written by Garrett Sloane, Owner at Aspen Attic Insulation Austin, serving Austin since 2002. Pricing reflects the Austin market as of 2026. Aspen Attic Insulation Austin offers free estimates – call (325) 246-2929.