4.5 
314 *The Angi rating for Insulation Service companies in Castle Hills, TX is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
*The HomeAdvisor rating for Insulation Service companies in Castle Hills, TX is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
Last update on November 04, 2025
Serving Castle Hills, TX and surrounding areas
Approved
In business since 2011
Free estimates
Warranties offered
"Insulated above garage. Arrived at the scheduled time. Cleaned after completed work. Would recommend and would use them again"
+5
Serving Castle Hills, TX and surrounding areas
Approved
In business since 2013
Credit card accepted
Offers commercial services
"Came out on Thursday, quote on Friday, blew in insulation on Saturday. Great experience."
Serving Castle Hills, TX and surrounding areas
Approved
In business since 2022
Free estimates
Warranties offered
"Great service, very knowledgeable, and solved our issue insulation issue with a warm room."
Serving Castle Hills, 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."
Serving Castle Hills, 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."
+3
Serving Castle Hills, TX and surrounding areas
Approved
In business since 2018
Free estimates
Customers say: Quick response
"Very pleased with the customer service and the quality of work done by AHC Spray Solutions. The owner, Clint, was on time for his initial appointment and was efficient in evaluating the job and providing an immediate estimate to complete the work. The workers showed up to do the job on time and did the prep and post-job cleanup very well. I am pleased with the work and recommend AHC Spray Solutions to anyone needing spray foam insulation work. If I need another spray foam insulation job, I will call AHC."
+15
Serving Castle Hills, TX and surrounding areas
Approved
In business since 2009
Free estimates
Credit card accepted
"Excellent attention to detail. Also does A/C install and repair work. Will have them do all of my preventative maintenance, as well as install insulation over my garage ceiling."
Serving Castle Hills, TX and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
Serving Castle Hills, TX and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"They did an excellent job. The before and after pictures really showed me what they did. They replaced the ducts that were damaged for less than what my a/c company was going to charge and replaced my insulation and did a lot more work as well. I am very pleased with them."
+29
Serving Castle Hills, TX and surrounding areas
Approved
In business since 1994
Emergency services offered
Warranties offered
Founded in 1994, Sigma Air began as a small, family-led venture in San Antonio, Texas. Over the years, it has grown into one of the most respected HVAC providers across the state, specializing in residential, multifamily, and commercial HVAC solutions. For decades, Sigma Air has led the way in HVAC excellence. Now, we're bringing that same quality and commitment to homeowners across Greater San Antonio. Whether you are dealing with a broken AC, looking to upgrade your system, or need fast emergency help, we've got your home covered. Let's Bring Comfort Home! Just bring us a written quote from a reputable, licensed company within the last 30 days, and we'll beat it! *Cannot be combined with other offers*. Simply click the button below to schedule an appointment, and one of our staff members will reach out to show you how to save money!
From average costs to expert advice, get all the answers you need to get your job done.
Your home's ceiling insulation cost will depend on several factors, including the project size, the type of insulation you use, and the R-value.
Crawl space insulation costs vary by size, insulation type, and material. Read this guide to learn how much your crawl space insulation could cost.
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Learn how to decide if your home needs dryer vent insulation to protect your vent from drafts and moisture that can make your energy usage less efficient. Poorly ventilated dryer vents also increase mold risks!
Removing old insulation may be necessary for upgrading your insulation. Keep reading to see if you should remove old insulation before adding new insulation.
If your home’s temperature is uncomfortable or your energy bill is spiking, you should check your insulation. We'll help you find out if you should replace it.
