Same-day service availability with flexible scheduling options
Top Rated Insulation Company in Hays County, TX
Transform your property’s energy efficiency with Stellrr Insulation & Spray Foam, Hays County‘s trusted insulation specialists. Our expert team delivers premium spray foam, cellulose, and traditional insulation services designed to reduce energy costs, enhance comfort, and protect your investment. Whether you’re a homeowner in San Marcos looking to lower utility bills or a business owner in Kyle seeking commercial insulation solutions, we provide customized services that deliver measurable results.
Ready to save on energy costs? Call (512) 710-2839 for your free consultation today.
Trustindex verifies that the original source of the review is Google. I want to thank Wayne and Angel for their quick response in helping us out. We were doing a construction project on our student center in San Marcos Tx. and found out that we needed to have a dumpster on site before we could proceed. I made a call to Wayne with dumpstersaurus dumpsters and explained my situation. He was quick to respond and had me a dumpster at the construction site the same day saving us from having the project shut down. Not only did he get it there the same day but the price was very fair and service was very friendly. In today’s business world it was very refreshing to have a company that was trustworthy, quick to respond with same day friendly service, and a very fair price, If you are needing a dumpster I highly recommend dumptersarus dumpsters. Thank you dumpstersaurs dumpsters. Roland M. Roland Merz2025-08-06Trustindex verifies that the original source of the review is Google. Pickle and the entire team did an amazing job from start to finish. From bidding to implementation, they really did the best job. Today our house is cooler than ever! Thanks Stellr! John Farley2025-07-24Trustindex verifies that the original source of the review is Google. Stellr Insulation was fast and efficient. We needed to have a job done quickly and they were very accommodating and even were able to move our appointment up a day. We especially appreciated Pickle as he always kept us informed throughout the process! Ashley Kolar2025-07-02Trustindex verifies that the original source of the review is Google. Very efficient, really friendly service, highly recommend all around Michael Cleveland Osborne2025-06-20Trustindex verifies that the original source of the review is Google. Choosing this company for our attic insulation was a great decision. They got the job done quickly and efficiently, and their team was super organized and professional. Everyone was courteous, and they left the space spotless when they finished. We're really happy with the results, our home feels more comfortable and energy-efficient already. Highly recommend them to anyone looking for quality insulation work! Nathaniel Granger2025-06-12Trustindex verifies that the original source of the review is Google. I had a great experience with Stellrr because the team is awesome. Pickle was so helpful and nice to work with. Frank and Jorge did the insulation work and it went super smoothly. The owner, Wayne, is awesome too - thanks for your extra help, Wayne! Camella Bridges2025-04-27Trustindex verifies that the original source of the review is Google. This is an amazing company! I highly recommend. Stellr has been great to work with. Everyone we were in contact with has been super friendly, polite, and professional. They take the time to explain all of the options for your attic and pricing is straightforward. Sheldon worked with us and he was always so helpful and professional. The two gentleman that came to do the insulation were very hardworking, courteous, and finished ahead of schedule. One of the men even helped bring in a heavy delivery for me- even though he had a huge day of work ahead for him. (I forgot his name, but Stellr knows- because I let them know how impressed I was with his help). The owner Wayne and his wife are wonderful to work with and made sure everything went smoothly. Give these guys a call. Truly excellent company. Laila2025-04-08Trustindex verifies that the original source of the review is Google. I told Stellrr that I would post a review when I had data to back it up. 18 months later, I do: In summer of 2024, we never turned off our A/C. And we saved $1160.71 (58%) vs 2023. This is a likely underestimate of annual savings, since Stellrr installed the foam in May of 2023. I've uploaded a timeline of our gas and electricity bills as we've made multiple improvements--not just spray foam. The gap between what we pay with these improvements and what we would've paid without them will grow bigger forever: energy will never get cheaper. So, here's my empirical take mixed with a bit of common sense: Stellrr's foam insulation provides good value, but without it, other energy-saving improvements will provide half the value they could. It's a foundational improvement--something you do *first*. It's what a nerd's nerd would call "a force multiplier," meaning it makes other improvements vastly more effective by being there. And so you should get it early in your "healthy and efficient home" journey. Unpacking that a bit: from a straight-up balance sheet, we will not ROI on Stellrr, solar, HVAC, electric appliances, and the other improvements we've made. But not breathing all that particulate matter from the nearby interstate? All the gas stove fumes we won't be inhaling? Hell, it's not unlikely we ROI on not having to pay for extended medical care in 30 years. So, if you're into a better quality of life that--bare minimum--mostly pays for itself, I'd recommend doing things In this order: 1. FIRST: Update your ducting, minimally, and your ventilation fans. My only regret--these are hard to do with foam there. 2. Get Stellrr's spray foam. They'll do the best job. 3. Look into a mid-high efficiency heat pump. ($2k tax credit, at least!) Spring a bit extra for an energy-recovery ventilator, installed professionally. Get a UV bulb for that alpine air feeling. 4. Consider solar (30% tax credit til like 2033!)l; also, batteries. 5. If you got those batteries, enroll in Austin Energy's Time of Use program so that you can coast on battery power when electricity is expensive (3-7PM). We do just fine on 20kWh. Bonus: some outage protection! I wasn't the easiest customer--I had a point or two of frustration (communications) with the company during the install. Stellrr sells their product hard, but... like all things ahead of their time, they have to make a complex case that won't appeal to everyone because the value of having an airtight, well-insulated home simply isn't obvious to all. I'm glad I listened--they were right! Joshua Morris2024-12-28Trustindex verifies that the original source of the review is Google. i called to get a quote to top off my attic insulation they call this putting lipstick on a pig! lol had them come out for a diagnostic and they uncovered the real deal about what was going on. i hired them and it took several weeks to get on the schedule to do the work they did a really good job. very happy Taylor Morales2024-01-05Trustindex verifies that the original source of the review is Google. I like working with the Stellrr team on my crawlspace conversión. It was dirty and moldy. Now it is súper clean and I can store my stuff down there. A plus. Albian Barban2024-01-05
Our Services
Residential Insulation
Complete home insulation solutions tailored to Hays County's climate. Our residential services improve indoor comfort while significantly reducing heating and cooling expenses for homeowners throughout the region.
Open Cell Insulation
Flexible, cost-effective insulation perfect for interior walls and non-extreme temperature areas. Open cell spray foam provides excellent sound dampening and air sealing properties for enhanced home comfort.
Closed Cell Insulation
Premium insulation with superior R-value and moisture resistance. Ideal for exterior walls, basements, and areas requiring maximum thermal protection in Hays County's variable climate conditions.
Commercial building Insulation
Comprehensive commercial insulation services for businesses, warehouses, and industrial facilities. We help Hays County businesses maintain optimal temperatures while controlling operational costs.
Cellulose Insulation
Eco-friendly insulation made from recycled materials, providing excellent thermal performance and fire resistance. A sustainable choice for environmentally conscious property owners.
Attic Insulation
Professional attic insulation installation and upgrades that prevent heat loss and reduce energy waste. Our attic solutions address the primary source of energy inefficiency in most homes.
Insulation Removal
Safe, professional removal of old, damaged, or ineffective insulation. Our removal services prepare your space for upgraded insulation that meets current energy efficiency standards.
Crawlspace Insulation
Specialized crawl space solutions that prevent moisture issues, improve air quality, and enhance overall home efficiency. Essential for maintaining healthy indoor environments in Hays County homes.
Wall Insulation
Professional wall insulation for new construction and retrofit applications. Our wall insulation services eliminate thermal bridging and create consistent indoor temperatures year-round.
Commercial Spray Foam Insulation
Advanced spray foam solutions for commercial properties requiring superior insulation performance. Our commercial applications provide long-term energy savings and building envelope protection.
Residential Spray Foam Insulation
State-of-the-art residential spray foam installation that creates an airtight seal while providing exceptional R-values. The premium choice for maximum energy efficiency and comfort.
Our Unique Value Propositions

Local Expertise
Licensed and insured professionals with extensive Hays County experience

Transparent Pricing
Free energy assessments and transparent, upfront pricing

Quality Assurance
High-quality materials with manufacturer warranties and guarantees

Flexible Scheduling

Hays County Attractions We Proudly Serve
The crystal-clear San Marcos River offers year-round recreation with its consistent 70-degree temperature. This natural spring-fed river provides swimming, tubing, and wildlife viewing opportunities, making it a central attraction for both residents and visitors seeking outdoor adventure in the heart of Texas.
A fascinating underground cave system featuring guided tours through ancient limestone formations. Wonder World Cave showcases millions of years of geological history, complete with an observation tower offering panoramic views of the Texas Hill Country and educational experiences for all ages.
The charming town square of Wimberley features unique shops, art galleries, and restaurants nestled in the scenic Texas Hill Country. This picturesque downtown area hosts seasonal festivals and markets, creating a vibrant community gathering place that celebrates local culture and craftsmanship.
A pristine artesian spring and swimming hole surrounded by protected cypress trees and native vegetation. Jacob’s Well is renowned for its incredibly clear water and serves as both a natural swimming destination and an important ecological preserve supporting diverse wildlife species.
While Hays County sits inland, this popular restaurant brings Gulf Coast flavors to the Hill Country. Salt Traders represents the area’s growing culinary scene, offering fresh seafood and innovative coastal cuisine that attracts food enthusiasts from across Central Texas.
A major educational institution serving over 38,000 students in San Marcos. Texas State University contributes significantly to the local economy and cultural landscape, hosting sporting events, academic conferences, and community programs that enhance the region’s educational and recreational opportunities.
Why Choose Stellrr Insulation & Spray Foam
When you select Stellrr Insulation & Spray Foam for your Hays County property, you’re partnering with insulation professionals who understand the unique climate challenges and energy efficiency needs of Central Texas. Our team combines advanced insulation technologies with personalized service to deliver solutions that provide immediate comfort improvements and long-term energy savings.
We stand behind every installation with comprehensive warranties and ongoing support because your satisfaction drives our success. Our local expertise means we understand how Hays County’s seasonal temperature variations, humidity levels, and building requirements impact your insulation needs. From initial consultation through project completion, we ensure transparent communication, quality workmanship, and results that exceed expectations.
Don’t wait to start saving on energy costs. Contact us at (512) 710-2839 to schedule your free assessment and discover how proper insulation can transform your property’s efficiency and comfort.

Serving Areas
San Marcos City, Kyle City, Buda City, Dripping Springs City, Wimberley Town, Mountain City Town, Woodcreek Neighborhood/Community, Driftwood Neighborhood/Community, Uhland Town, Manchaca Neighborhood/Community, Creedmoor Town, Bear Creek Neighborhood/Community, Henly Neighborhood/Communit, Blanco River Village
Counties Served
Hays County, Travis County (partial), Caldwell County (partial), Comal County (partial)
Zip Codes Served
78666, 78667, 78668, 78640, 78642, 78610, 78620, 78619, 78676, 78652
Ready to Improve Your Property's Energy Efficiency?
Take the first step toward better comfort and lower energy bills. Stellrr Insulation & Spray Foam is ready to assess your insulation needs and provide solutions tailored to your Hays County property. Our experienced team delivers quality results that make a difference you can feel and savings you can measure.
Call (512) 710-2839 now for your complimentary consultation and quote.
Common Questions About Hays County Insulation Services
What type of insulation works best in Hays County’s climate?
Spray foam insulation, particularly closed-cell foam, performs exceptionally well in Hays County due to its superior air sealing properties and moisture resistance. The area’s hot summers and variable winters require insulation that maintains consistent performance across temperature extremes while preventing humidity issues common in Central Texas.
How much can proper insulation reduce my energy bills?
Most Hays County homeowners see 15-30% reductions in heating and cooling costs after professional insulation upgrades. The exact savings depend on your current insulation condition, home size, and energy usage patterns. Our free assessment provides personalized savings estimates based on your specific property.
Does spray foam insulation work well in older Hays County homes?
Yes, spray foam insulation is particularly effective for older homes in the Hays County area because it seals gaps and cracks that traditional insulation cannot address. Many historic homes in Wimberley and Dripping Springs benefit significantly from spray foam’s ability to improve energy efficiency without compromising structural integrity.
What’s the difference between open cell and closed cell insulation for Texas homes?
Closed cell spray foam offers higher R-values and moisture resistance, making it ideal for exterior walls and areas prone to humidity. Open cell foam provides excellent soundproofing and costs less, working well for interior walls and attics where moisture isn’t a primary concern. Our team recommends the best option based on your specific application and budget.
How long does insulation installation take for typical Hays County homes?
Most residential insulation projects in the San Marcos, Kyle, and Buda areas take 1-3 days depending on the scope of work. Whole-house spray foam applications typically require 2 days, while targeted upgrades like attic insulation can often be completed in a single day. We provide accurate timelines during your consultation and work efficiently to minimize disruption to your daily routine.