4.7 
146 *The Angi rating for Insulation Service companies in Castroville, 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 Castroville, 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 October 20, 2025
Serving Castroville, 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 Castroville, TX and surrounding areas
Approved
Super Service Award Winner
In business since 2012
Free estimates
Warranties offered
"I recommend Geo-Insulation for any insulation need! They have the best prices, they use high quality insulation and do a very professional job. They showed up on time and completed the job as promised. They are very customer oriented and go above and beyond to meet expectations! They are the best!!"
Serving Castroville, TX and surrounding areas
Approved
Super Service Award Winner
In business since 1995
Free estimates
Warranties offered
"Their worker did an excellent job in installing the eSheild. They cleaned up after the finished the job. Highly would recommend this company. Texas Pro insulators."
+3
Serving Castroville, TX and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
"Honest, upfront, no sales gimmicks or games. Best price, timely, very happy with the whole process"
+2
Serving Castroville, TX and surrounding areas
Approved
In business since 2018
Free estimates
Customers say: Quick response
"Exceptional company and outstanding product and service! Allen gave us a great estimate to put spray foam in the attic over our garage and along the walls into our home - outstanding work - professional timely and cleaned up nicely after their work - exceptional. Thanks John K"
+15
Serving Castroville, 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
Serving Castroville, TX and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"They provided an additional product at no cost"
Serving Castroville, TX and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"I do not know if Clean Air Pro is the Best in the Houston Area but I do know it is the best value for service of the 3 others I interviewed.....I also know that Ben is a personable and competent professional and a credit to the company."
+29
Serving Castroville, TX and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Credit card accepted
"Thank you for your trust! At Local Air Duct Pros we specialize in professional air duct cleaning, dryer vent cleaning, chimney sweep, and attic insulation. Our licensed and insured team is committed to providing top-quality service at fair prices. We appreciate your support and look forward to serving you again!"
Serving Castroville, TX and surrounding areas
Approved
In business since 2001
Free estimates
Small jobs welcome
"Great job! Worked hard even in the horrible hot weather. Highly recommend ."
+12
From average costs to expert advice, get all the answers you need to get your job done.
New insulation can make your home more comfortable and boost energy efficiency. Use this insulation cost guide to get an accurate estimate for the installation.
Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.
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.
What is insulation? This behind-the-scenes home fixture will maintain comfortable temperatures in your home no matter the season. It’ll lower energy bills, to boot.
Use this DIY checklist for insulation repair to make your living space more comfortable and reduce your heating and cooling bills in the process.
There are 10 types of insulation you can use for your home. Read this guide to discover which insulation types could be best for the job.
