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Find Insulation pros in San Antonio

Avatar for Geo-Insulation
Geo-Insulation
5.0(
19
)

Serving San Antonio, TX and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Warranties offered

"Tom did a great job. He came out to my house and provided me with a free detailed quote. The quote included price, how much insulation he recommended adding, the type of insulation he was adding, information about his company and items to look for in an insulation company (in case you decide on someone else). His price was very good and the quality was excellent."
Response time2 days
Response rate100%
23 neighbors recently requested a quote
Avatar for South Texas Insulation
South Texas Insulation
4.8(
14
)

Serving San Antonio, TX and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Good company for my insulation job. They were on time and on schedule. Careful while working on attic to avoid damage to ceiling. Clean, during and after work completed."
R38 Mid Floor for sound
Party Walls R11 batt
R38 Ceiling Batt and Bibs walls blown
Response time2 days
9 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Texas Pro Insulators, LLC
Texas Pro Insulators, LLC
4.4(
58
)

Serving San Antonio, TX and surrounding areas

Approved

Super Service Award Winner

In business since 1995

Free estimates

Warranties offered

"Nick is very knowledgeable and informative about home insulation and has came up with a way to solve the problem when it comes to insulation. Highly recommend going with Texas Pro Insulators."
Certified Installation
Certified Installers
E-Shield reflective insulation
E-Shield plus Blown in
E-Shield plus Blown in

+3

Response time2 days
6 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for AHC Spray Solutions
AHC Spray Solutions
5.0(
18
)

Serving San Antonio, TX and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"AHC kept me informed of when the work would be done. Weather caused some delays in getting to my project, which I fully understand. AHC kept in touch with me giving me updates and I greatly appreciated that they did so. AHC s spray work was done very well. There was no mess or over spray to clean up. I did the required prep work such as filling in places where the insulation spray could escape. Also, it is important for you to cover areas that you do not want the spray to cover. AHC did a great job follwing the plan. I am very happy with their work and would definitely recommend them."
Open Cell Foam
Open Cell Foam
Open Cell Foam
Open Cell Foam
2" Closed Cell Foam Sub-floor

+15

Response time1 day
Recommended by100%of homeowners
Hawx Insulation-San Antonio
4.1(
361
)

Serving San Antonio, TX and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

At Hawx Pest Control, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. Hawx Premium Pest Control will treat your pests, mosquitos, and more- then keep them away for good. If pests come back between treatments so will we, at no additional cost to you. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. \n

Recommended by75%of homeowners
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FAQs for insulation service projects in San Antonio, TX

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The San Antonio, TX homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.

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