Slows Heat Transfer: A deep blown-in layer resists conduction through your ceilings and walls, so indoor temperatures in Greenville stay steadier through hot summers.
Trusted Blown-In Insulation in Greenville, SC
Let Our Insulation Experts Show You The Many Benefits Of Our High Performance Insulation.
Looking for a proven way to make your Greenville home more efficient without a major renovation? Blown-in (loose-fill) insulation installs quickly: our crew uses a hose system to blanket your attic floor or fill wall cavities with a thick, uniform layer of insulation.
It is ideal for topping off settled insulation, finishing new spaces, and taming drafty older homes, and Koala Insulation of Greenville can help with all three.
Get a Free Estimate
Trusted
Blown-In Insulation Pros in Greenville
Greenville’s hot Upstate summers and chilly winters can make your home feel uncomfortable and your HVAC system work overtime. Yet plenty of local attics hold just a few inches of old, settled insulation, well short of what today’s guidelines call for.
Where blown-in insulation shines:
Attic floors that need a fast, affordable R-value boost.
Knee walls & sloped ceilings where batts are tough to fit.
Wall cavities in some retrofit situations, following industry best practices.
A Superior
Thermal Home Upgrade
Blown-in insulation offers Greenville homeowners and businesses a powerful way to upgrade comfort and efficiency. Loose-fill products create a continuous thermal blanket over your attic floor or inside cavities, working like traditional insulation while delivering fast, even coverage over new or existing material.
These capabilities define the insulation type:
Cuts Air Leakage: Paired with our targeted air sealing, a blown-in blanket helps close off the small pathways around framing, wiring, and plumbing where conditioned air leaks out of your Greenville home and outdoor air sneaks in.
Stops Moisture: By improving overall attic R-value and supporting proper ventilation, blown-in insulation helps reduce the condensation and moisture movement that contribute to heat loss in homes in Greenville.
Advantages Of
Blown-In Insulation for Homes in Greenville
For homes in Greenville facing hot summers and chilly winters, blown-in insulation delivers a lot: it is fast to install, layers cleanly over existing material, and helps lower heating and cooling costs while keeping rooms comfortable in every season. Key benefits include:
Improved Air Quality
Pair blown-in insulation with attic air sealing and fewer outdoor particles find their way inside. Sealing the gaps around light fixtures, plumbing chases, and the attic hatch limits the dusty attic air that would otherwise drift into living spaces in Greenville.
Water & Fire Resistance
From material choice to installation detail, fire safety guides the work. We install products designed with fire resistance in mind and maintain code-required clearances around recessed lights, flues, and chimneys so your Greenville home stays protected.
Pest and Wildlife Protection
Pest deterrence is a real, if lesser-known, benefit: cellulose blown-in insulation (uniquely among loose-fill options) is treated with compounds that discourage insect nesting, and air sealing the attic closes off the gaps pests use to get into homes in Greenville.
Soundproofing
Noise reduction is a welcome bonus for Greenville homeowners: the dense loose-fill layer soaks up outside sounds and dampens noise moving between levels, from street traffic to kids playing overhead.
Environmentally Friendly
Choosing blown-in is an environmentally friendly move for Greenville homeowners. The material itself is manufactured from recycled content, and by trimming the energy needed to heat and cool your home (studies cite reductions of up to 40%), it shrinks your carbon footprint season after season.
Greenville’s Easy 4-Step
Blown-In Insulation Process
Free Attic Assessment
Before any work is quoted in Greenville, our efficiency experts complete a detailed assessment of your home’s current insulation and energy performance.
- Careful Prep Comes FirstPreparation sets up everything that follows. We shield floors and walkways, establish safe access, and distribute depth markers across the attic to verify the target level later. If the eaves of your Greenville home need them, baffles go in to keep insulation clear of the soffit vents.
Koala Difference: Thorough prep is why our installs in Greenville perform properly and why you will not find a layer of dust through the house afterward.
- Seal Key Leaks & Set Up EquipmentInsulation works best over a sealed attic, so before any material goes in, we close the leaks our thermography detection flags in your Greenville home: plumbing penetrations, wiring holes, recessed lights, and the attic access itself.
Koala Difference: We do not just “add fluff.” By combining blown-in insulation with strategic air sealing, we help you get more comfort and value out of every inch we install in Greenville.
- Blow In & Level the InsulationOur crew blows insulation evenly across the attic floor, building to the specified R-value while working material into corners and around obstructions. Depth markers are checked continuously so the finished blanket is consistent from eave to eave in Greenville.
Koala Difference: Coverage is everything. We take the time to verify depth and consistency so your Greenville home is not left with “thin spots” that reduce performance.
- Cleanup, Photos & Walkthrough
We finish the way we started: carefully. The work area is vacuumed, equipment is removed, and the attic hatch is properly sealed. You get a full review of the work, before-and-after photos when available, and straight answers to any questions about caring for the new insulation in your Greenville home.
Koala Difference: Even after the trucks leave Greenville, we are a phone call away for questions and for help claiming any rebates or tax credits your project qualifies for.
Get a Quote
Ready for a more comfortable, more efficient home? Schedule a free quote with Koala Insulation of Greenville, your local blown-in insulation experts in Greenville!
What to Expect
In 5 Easy Steps
In 5 Easy Steps
What to Expect
In 5 Easy Steps
Schedule Your Free Evaluation
Contact your nearest Koala Insulation Location, recognized as the #1 trusted insulation expert nationwide. We will discuss your needs and schedule an appointment to provide a free evaluation.
Home Efficiency Assessment & Estimate
One of our friendly insulation experts will perform a thorough home efficiency assessment. Your insulation expert will then review the assessment findings, the science behind these findings, and why any changes are needed. Lastly, your insulation expert will provide the best option that fits your home efficiency needs and your budget.
Schedule Your Insulation Service
We will schedule your insulation service for the soonest availability that fits your schedule because we understand that your home insulation is a priority!
Installation
Our team of highly skilled insulation technicians will install your premium insulation solution in as little as two hours. We treat your home like our own and take time to leave it cleaner than it was before.
Post Installation Inspection
Contact your nearest Koala Insulation Location, recognized as the #1 trusted insulation expert nationwide. We will discuss your needs and schedule an appointment to provide a free evaluation.
Enjoy Your Comfortable & Efficient Home
Enjoy a more efficient home with lower energy bills and improved comfort year-round. Enjoy your improved home stress free knowing that Koala Insulation stands behind their work! Reach out to your Koala Insulation team anytime for support.
Benefits
Enhanced Comfort
Energy Savings
Quality Materials
Eco-Friendly Options
Enhanced Comfort
Stay cozy inside, no matter the weather outside.
Energy Savings
Save on your energy bills while keeping your home comfy all year.
Reduced Noise
We use top-quality insulation to give you lasting results.
Eco Friendly
Choose insulation that’s better for your home and the planet, such as solar-powered attic fans.
Your Satisfaction is
Our Top Priority
But do not take it from us: hear what clients in Greenville say about their experience with our insulation team.
Tj Grandy
17:22 13 Aug 26
We had several companies come out to quote us Insulation and koala was the best value in the workers were awesome. I wanna give a shout out to Isaiah and Tommy. They were awesome. There was a small little issue and they came right back super quick and fixed it I would recommend them to all my friends and family.
Samantha Strauss
20:48 20 Jul 26
I had a great experience with Koala Insulation. Uwe came to my home and took the time to thoroughly evaluate its energy efficiency, explaining everything in a way that was easy to understand. He provided thoughtful recommendations without any pressure and was honest, transparent, and professional throughout the entire visit. I really appreciated how much time he spent answering my questions and helping me understand my options. If you’re looking for someone who is knowledgeable, timely, and genuinely focused on helping you make the best decision for your home, I highly recommend Uwe and Koala Insulation.
Margo Notarmuzi
22:30 03 Apr 26
I had a wonderful experience with Isaiah and Tommy from Koala Insulation ! They were knowledgeable and friendly . They blew in the insulation , sealed my attic door with a reflective cover and sealed my attic fan ( which we’ve never used ) . And I’m getting a rebate from Duke Energy ! I will recommend them to all of my friends and family ! Good job Koala !!
Margo N
Margo N
Olan Atherton
15:22 16 Nov 25
I just had my first interaction with Koala Insulation, and it was great! They were one of 4 names provided by Duke energy. The estimator was kind, professional, knowledgeable, and on time! Their price for my attic insulation upgrade was very good, and they got to my job quickly. Best of all, the installers Matt & Kayden were awesome. The carefully explained what and how they were going to do, very carefully spread protective plastic in my home and got right to work. When they were finished, the cleaned everything up like they were never here. The were both kind, respectful, and very knowledgeable about their work. I can honestly highly reccomend Koala Insulation, and especiallly Matt & Kayden.
Dade
13:48 05 Nov 25
UPDATE - After I posted this review, the owner, contacted me and asked that we address these issues and come to a resolution. I agreed and was hoping to talk. Again, however, no response. Empty words, empty promises. See screenshots below for details.
ORIGINAL POST - The experience went from good to poor and the result is far below what should be expected. The owner does not follow through on what is promised.
We contracted Koala to encapsulate our crawlspace. The owner spent time going through the process and options which we appreciated greatly.
The work was scheduled and started, but ran long compared to what we were told. The work was substandard, with many gaps, falling vapor barrier off the walls etc - and so a second installation was required.
Despite a significant amount of back and forth, we are still dealing with the results of poor installation and workmanship - and this was validated by a recent site visit by one of the company’s own employees who stated “the pillars were not done correctly and need to be redone.”
More time and texts with the owner have passed and still no resolution, months later.
Beware - not a company that does high quality work or one that completes the work despite promises to set everything right.
ORIGINAL POST - The experience went from good to poor and the result is far below what should be expected. The owner does not follow through on what is promised.
We contracted Koala to encapsulate our crawlspace. The owner spent time going through the process and options which we appreciated greatly.
The work was scheduled and started, but ran long compared to what we were told. The work was substandard, with many gaps, falling vapor barrier off the walls etc - and so a second installation was required.
Despite a significant amount of back and forth, we are still dealing with the results of poor installation and workmanship - and this was validated by a recent site visit by one of the company’s own employees who stated “the pillars were not done correctly and need to be redone.”
More time and texts with the owner have passed and still no resolution, months later.
Beware - not a company that does high quality work or one that completes the work despite promises to set everything right.
Why Homeowners
Choose Koala
Local experts, national standards: Locations across the U.S. & Canada with a consistent process and support, delivered by a locally owned team in Greenville.
Trained, professional crews: Installers equipped with professional-grade blowing equipment and trained on proper depth, coverage, and ventilation practices.
Safety and site care: Careful prep, code-compliant clearances around recessed lights and flues, and a vacuumed, tidy site when the work is done.
Incentive support: Guidance on rebates and tax credits that can reduce the net cost of your insulation project.
Get a Quote
Ready for a more comfortable, more efficient home? Schedule a free quote with Koala Insulation of Greenville, your local blown-in insulation experts in Greenville!
Frequently Asked Questions
Blown-In Insulation FAQs
Get all your questions answered by our local experts. If we didn’t address your question here, give us a call at (864) 867-1779 or schedule a free quote today!
How Much Does Attic Blown-In Insulation Cost in Greenville?
There is no one-size-fits-all price for blown-in insulation, because no two attics are alike.
Square footage sets the baseline, the type of insulation (such as cellulose or fiberglass) shapes material costs, and the effort required to install it, things like attic access, prep, and air sealing, rounds out the scope.
Whatever the scope, the upgrade works in your favor over time: better attic coverage means less heat loss and lower heating and cooling bills.
It is also worth knowing that many state and local governments, along with utility companies, offer rebates that can help defray part of the cost. No two attics in Greenville are the same, so the honest answer comes from a free assessment. Contact the team today to schedule yours.
Is Blown-in Insulation Better Than Rolls?
Blown-in insulation is usually a better attic solution than rolls (batts) because it creates a more consistent, continuous layer across the attic floor. It fills around joists, wiring, pipes, and odd corners where rolls often leave small gaps. Those gaps may not look like much, but they add up to drafts, uneven temperatures, and lower real-world performance in homes in Greenville.
How Much Blown-in Insulation Do I Need?
Three factors decide it: the size of the space, the required insulation depth, and your geographic location (see the map below). Recommended attic R-values track climate, with colder areas needing more depth against heat loss and warmer areas needing enough insulation to keep heat gain out. Multiply attic square footage by the target R-value and you have what consistent coverage will take. For reference, Greenville falls in IECC Climate Zone 3A (warm-humid), and DOE and ENERGY STAR guidance for that zone puts attic insulation at roughly R-30 to R-60.
Rather than estimating, professional installers work from climate-zone guidelines, your existing insulation depth, and manufacturer coverage charts. That approach matches depth to the recommended R-value for the region, builds in allowance for settling, and prevents the coverage gaps that undercut performance. The diagram below shows how recommended attic insulation levels change by geographic region, helping homeowners understand why insulation needs differ from one location to another.
Insulation Education
Learn why insulation is critical to your home’s energy efficiency and your family’s comfort.
Learn More
Get a quote
Ready to start your insulation project? Get a free quote from your local Koala Insulation team today.
