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

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