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5 Best Insulation Services in Round Rock (2026)

Ranked by real Google ratings and review volume · How we chose

Brad Smith
By Brad Smith, Home Services Expert · ✓ Updated · 6 min read

We compared 20 insulation services in Round Rock on Google Maps · 5 listed · How we rank

Attic insulation that has thinned, settled or been disturbed is a common reason to call. The insulation services in Round Rock below are mostly based in Georgetown, Hutto, Pflugerville and Leander, hold more than 350 Google reviews between them, and are rated from 4.5 to 5.0. Spray foam, blown-in attic work and air sealing are different jobs, so match the company to the work.

Short answer: Koala Insulation of Georgetown carries the most Google reviews (5.0 stars from more than 200) and lists attic, spray foam, batt, air sealing and crawl space work. USA Insulation of Austin in Pflugerville holds a 4.9 across more than 60, and JCD Spray Foam Insulation in Leander holds a 5.0 across more than 15. Only H&R Spray Foam has a review naming a Round Rock job, so ask each company whether it serves your street.
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Insulation Companies Side by Side

# Business Rating Reviews Best for
1 Koala Insulation of Georgetown 5.0 ★ 201 Attic insulation and spray foam View ›
2 USA Insulation of Austin 4.9 ★ 65 Attic upgrades and radiant barrier View ›
3 H & R Spray Foam Insulation LLC 4.9 ★ 49 Spray foam in metal buildings View ›
4 Hill Country Insulation 4.5 ★ 28 Efficiency audits and air sealing View ›
5 JCD Spray Foam Insulation 5.0 ★ 17 Spray foam for homes and outbuildings View ›
5 Best Insulation Services in Round Rock (2026)

Each insulation company in detail

Koala Insulation of Georgetown logo
#1 Overall🕑 Open 6 days/wk↩ Responds to reviews

Koala Insulation of Georgetown

5.0201 Google reviews

Koala Insulation of Georgetown lists a Hutto address on Google, while its website is a Georgetown page. The site lists spray foam, blown-in attic insulation, insulation removal, batt installation, solar attic fans, air sealing, crawl space encapsulation and commercial insulation. Reviewers describe attic insulation repair in a condo, an attic fan with gap sealing, and closed cell foam.

What people praise

  • One reviewer said the crew repaired and cleaned up a condo attic as scheduled
  • A customer had an attic fan installed and gaps sealed between the attic and the walls
  • Another said closed cell foam went in cleanly and the house cooled with less AC use
  • A customer who tried a spray foam kit first said Koala came out quickly and left the area clean

Worth knowing

  • Based in Hutto with a Georgetown service page, so confirm it covers Round Rock before booking
Reputation scorecardrank in Round Rock
Rating5 / 5
Review volume201 · 98th
Confidencehigh
Recency5 months ago
Info completenesssite · phone · hours
Rating breakdown100% 5-star
✓ VerifiedSource: Google

Our take: A 5.0 on the largest pool of ratings on the page, with a broad services menu. The reviews cover attics, foam and ventilation work. Confirm travel to your address and the exact product being quoted.

Website+1737-400-5955 Directions

3333 Co Rd 119 Unit 66, Hutto, TX 78634

USA Insulation of Austin logo
#2🕑 Open 6 days/wk↩ Responds to reviews

USA Insulation of Austin

4.965 Google reviews

USA Insulation of Austin works from Panther Loop in Pflugerville, and its website is an Austin page for home, attic and wall insulation. The site mentions injection foam and re-insulation, and reviewers describe blown-in attic insulation, radiant barrier repair, solar fans and a spray foam job on a barn.

What people praise

  • One reviewer had an attic brought up to R-49 and a radiant barrier repaired
  • A customer with a second floor hotter than the first said comfort changed after attic and injection foam work
  • Several reviewers mention a detailed inspection by the owner before work started
  • Crews are described as arriving on time and cleaning up

Worth knowing

  • The site lists an Austin service page, so check it covers Round Rock
Reputation scorecardrank in Round Rock
Rating4.9 / 5
Review volume65 · 93rd
Confidenceearly
Recency8 months ago
Info completenesssite · phone · hours
Rating breakdown92% 5-star
✓ VerifiedSource: Google

Our take: A 4.9 from more than 60 ratings, with reviews that focus on attic airflow and comfort. A good fit if the house runs hot upstairs.

Website+1512-855-4747 Directions

1501 Panther Loop Bldg 5A, Pflugerville, TX 78660

H & R Spray Foam Insulation LLC logo
#3🕑 Open 6 days/wk↩ Responds to reviews

H & R Spray Foam Insulation LLC

4.949 Google reviews

H & R Spray Foam Insulation LLC lists a phone number and hours on Google but no street address and no readable website text. Its reviews describe closed cell and open cell spray foam in attics and ceilings, removal of old insulation under a pier and beam house, and two metal buildings.

What people praise

  • One reviewer said a metal building in Round Rock was sprayed with the site protected from overspray
  • A customer had old insulation removed and closed cell foam installed under the house and in the attic
  • Reviewers describe clear advice on R-values and tidy daily cleanup

Worth knowing

  • No street address or site text on Google, so confirm services and coverage by phone
  • One reviewer left a low rating, so ask for the scope and timeline in writing
Reputation scorecardrank in Round Rock
Rating4.9 / 5
Review volume49 · 88th
Confidenceearly
Recencyabout a year ago
Info completenesssite · phone · hours
Rating breakdown98% 5-star
✓ VerifiedSource: Google

Our take: A 4.9 across more than 45 ratings and the only business here whose reviews name a Round Rock job. Reviews lean toward spray foam, so ask about batts or blown-in if that is what you want.

Website+1512-523-6648 Directions
Hill Country Insulation logo
#4🕑 Open 5 days/wk↩ Responds to reviews

Hill Country Insulation

4.528 Google reviews

Hill Country Insulation operates from Algreg Street in Pflugerville. Its site lists home efficiency audits, blower door and duct testing, fiberglass and spray foam, radiant barriers, air sealing, insulation removal and gutter services, and says the company has operated since 2008. Google also tags it as a roofing contractor and a gutter cleaning service.

What people praise

  • One reviewer said the company called back within minutes and the rate beat other quotes
  • A customer praised the counter salesman as courteous and knowledgeable
  • Another described a quick job at a good price

Worth knowing

  • Only some reviews are about insulation, and one is for a gutter installation
  • One reviewer said insulation got onto belongings after a job at an apartment complex, and the business replied offering to pay for cleaning
Reputation scorecardrank in Round Rock
Rating4.5 / 5
Review volume28 · 83rd
Confidenceearly
Recency2 months ago
Info completenesssite · phone · hours
Rating breakdown86% 5-star
✓ VerifiedSource: Google

Our take: A 4.5, the lowest rating on the page, from fewer than 30 ratings. The site shows the widest testing menu, so it suits an audit-first approach. Ask how the crew protects belongings.

Website Book now+1512-515-7707 Directions

20105 Algreg St, Pflugerville, TX 78660

JCD Spray Foam Insulation logo
#5🕑 Open 6 days/wk

JCD Spray Foam Insulation

5.017 Google reviews

JCD Spray Foam Insulation is a Leander company on Lakewood Trail. Its site lists spray foam for homes, sheds and shipping containers, fire rated foam, weatherization and energy upgrades, and says it uses Graco equipment. Reviewers describe an insulated garage wall with new drywall and paint, and two outbuildings.

What people praise

  • One reviewer said the crew removed drywall, sprayed foam, then hung and painted new drywall
  • A customer who sprayed two buildings said the owner explained choices without pressure
  • Reviewers mention a written estimate, covered surfaces and clean job sites

Worth knowing

  • Based in Leander and focused on spray foam, so ask about other insulation types and Round Rock coverage
Reputation scorecardrank in Round Rock
Rating5 / 5
Review volume17 · 73rd
Confidenceearly
Recency2 years ago
Info completenesssite · phone · hours
Rating breakdown100% 5-star
✓ VerifiedSource: Google

Our take: A 5.0, from the smallest group of ratings on the page. Strong for spray foam in sheds, garages and outbuildings. Confirm availability for Round Rock.

Website+1512-522-2690 Directions

129 Lakewood Trail, Leander, TX 78641

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How to read the scores

The scorecards use public Google data on the date shown. Rating is the live star average. Review volume shows how many people have rated each business, compared with other insulation companies near Round Rock. Confidence weighs the rating by that volume, so a 4.9 from dozens of ratings counts for more than a 5.0 from a handful. Recency shows how recently reviews have arrived.

What drives insulation pricing near Round Rock

Insulation quotes depend on the area covered, the material (blown-in, batts, open or closed cell foam), the R-value you want, and whether old insulation must be removed first. Attic ventilation, a radiant barrier or air sealing add to the scope. Prices vary by job, so ask for a written estimate that names the material, thickness and cleanup.

Insulation help around Round Rock

Koala Insulation works from Hutto, USA Insulation and Hill Country Insulation from Pflugerville, and JCD Spray Foam from Leander. H & R Spray Foam lists no address. Describe your attic and any hot rooms when you call. Searching for insulation near me? Ask each company how soon it can come out to inspect.

Questions for an insulation contractor

  • Which material is quoted, at what thickness or R-value?
  • Does the price include removing old insulation?
  • Will the crew check attic ventilation and air sealing?
  • How do you protect belongings and clean up?
  • Do you serve my address in Round Rock?

Frequently asked questions

Which of these companies has a review naming a Round Rock job?

H & R Spray Foam Insulation LLC has a review from a customer whose metal building in Round Rock was sprayed. The others are based in Hutto, Pflugerville or Leander, so confirm coverage with each one.

Who does spray foam?

JCD Spray Foam Insulation and H & R Spray Foam focus on it. Koala’s site and Hill Country’s site also list spray foam, and a USA Insulation reviewer had a barn sprayed.

Who handles attic insulation and airflow?

USA Insulation of Austin reviewers describe blown-in attic insulation, radiant barrier repair and solar fans. Koala’s site lists blown-in attic work, solar attic fans and air sealing, and Hill Country’s lists audits and attic ventilation.

Can old insulation be removed first?

Koala’s site and Hill Country’s site both list insulation removal, and an H & R reviewer had old insulation removed before foam went in. Ask for removal as its own line in the estimate.

Before you book

Koala Insulation of Georgetown has the deepest review base and a wide services menu, USA Insulation suits attic airflow upgrades, and JCD Spray Foam and H & R Spray Foam suit foam jobs. Whoever you call, confirm Round Rock coverage and the material in writing.

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