
Serving Castaic, CA and surrounding areas
Approved
In business since 1959
Free estimates
Emergency services offered
"Everguard was great! Insulation job completed as scheduled and they were timely and professional."





+7

*The Angi rating for Insulation Service companies in Castaic, CA 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 Castaic, CA 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 September 18, 2025

Serving Castaic, CA and surrounding areas
Approved
In business since 1959
Free estimates
Emergency services offered
"Everguard was great! Insulation job completed as scheduled and they were timely and professional."





+7

Serving Castaic, CA and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"The professionalism and quality that the Insulation Labs team demonstrated from beginning to end should serve as a Master Class for any other service oriented company. Scheduling the estimate was effortless with clear, helpful and efficient communication from Diana, their first line of contact. Abraham arrived to do the estimate visit with kind patience and knowledge. He took the time to help us figure out how best to approach the insulation and was more than willing to answer all of our many questions. When we received the estimate we were appreciative of how easy it was to read and understand what the plan was. We knew exactly what to expect and how much it would cost. Today was the day of the insulation. Chris, Tzoc, and Moises spent a long full day doing the entire job. Throughout they were kind, professional, and did an outstanding, neat job. At all times, they cared for our space as if it were their's. We are so glad we chose Insulation Lab. There is no question we would recommend them to anybody."





+138

Serving Castaic, CA and surrounding areas
Free estimates
Credit card accepted
"It was clear and evident they have a lot of experience with home insulation. Very transparent with pricing and the installation process. High level of integrity and take the time to answer all questions. Just wasn't ready for insulation installation right now but when I am will use this company in a heartbeat."





+27

Serving Castaic, CA and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"I’m extremely satisfied with their service! We hired them to do the clearing and installing for the new insulation in my attic a few months ago. It was very easy to set up an appointment over the phone. Adam, the owner, was very helpful every step of the way. They worked super fast to help install the insulation and disposed of the previous one. Great job and thank you guys!"





+204

Serving Castaic, CA and surrounding areas
In business since 2000
Free estimates
Emergency services offered
"We had no problem or issue with this company. They came and did exactly what they said and promised. The service was fast too. We were able to schedule them for the same week and the work was completed after 2 days of work. According to the technician that worked at our house, it was better to use the opportunity when the attic empty from the old insulation and to replace the ducts as well. For the price that we were able to got, we decided to do that too.
so overall, we are in the stage that we will use this company in the future and we will refer them to people that we know and might need the same kind of work to be done.
"





+58

Serving Castaic, CA and surrounding areas
In business since 1998
Free estimates
Emergency services offered
"The team worked eight hours straight in the heat. Cool air at last. A pleasure to have a contractor who knows what to do and does it. Showed up on time, cleaned up the work site. I highly recommend this contractor."





+15

Serving Castaic, CA and surrounding areas
In business since 1993
Free estimates
Emergency services offered
"Due to a water leak, we had fairly extensive damage in an area of our Master Bath wall. The job was difficult due to the area itself which was irregular in shape and in contact with the tub (caulking and paint damage), cabinet edge, window shelf, supporting woodwork and casement, and the tile backsplash along the adjacent countertop. Ciro examined the wall during our initial discussion and provided a formal estimate by email within two days. Upon approval, we scheduled a time for the work to be done and it was completed that morning. The texturing perfectly matches the surrounding area and it is extremely difficult to see where any repair has been made. We painted the repaired area, and couldn't be happier with the result."





+28
Serving Castaic, CA and surrounding areas
In business since 1977
Free estimates
Emergency services offered
"I can't edit previous review so posting new one: I am revising my previous review. After posting my first review, Danny in Customer Service at Home Comfort USA contacted me. Danny very patiently listened to my situation and frustration and told me he would look into it, but wouldn’t “leave me hanging” and would call back. He did call back and fast-tracked a HVAC technician, Jad, to come out, who was great and called in a higher-level technician two days later. Then the higher-level technician came out a couple of days after that and found we did need a leaking core replaced and said Danny would call me. Danny did call me and went above and beyond to get the part replaced under the manufacturer’s warranty. Two days after that, Home Comfort USA came out, replaced the core, tested our HVAC, and mitigated the labor. We are now VERY happy customers with Home Comfort USA and very grateful for Danny’s great customer service and intervention. I am writing this review on a day in the mid-90s with our HVAC system keeping us VERY comfortable. Thank you."





Serving Castaic, CA and surrounding areas
In business since 1999
Free estimates
Emergency services offered
"I am very satisfied with Best builders group. My main contact person was Zohar Regev who was very skilled and with great communication skills from the start of the work. Zohar originally set me up with his architect that worked with me to plan the room addition. The addition was an extra room and extended the back of the house. The architect took care of basically everything from start to end. The total price for the work was a bit higher than my budget but it was absolutely worth it. All the materials and final products for the work were high grade and the workmanship too. Zohar and his working crews worked each day including some weekends in order to get stay behind schedule. In the communication aspect of it, Zohar always kept me informed of the progress and what should I expect the following days/week. All my family and neighbors that visited my house, keep complement me about this work. Thank you Best builders group."





+260

Serving Castaic, CA and surrounding areas
In business since 2016
Free estimates
Emergency services offered
"I was in need of a replacement system, but was really afraid of having people in my home during Covid. From the first phone call I was put at ease as I was informed that DNA will show up with masks, gloves and booties. I scheduled an appointment, and was told I would receive a phone call and/or text message 30 mins prior to arrival. Well, Andrew did not disappoint, he made sure to keep his distance and even offered to sit in the patio to go over some options. Once we sat down he educated us on some air filtration products. We were able to chose the system that fit our budget, and I fell in love with the Lennox pure air filtration. We decided to move forward and later that week we had the system installed. When I say they went above and beyond protecting our home from dust and debris thats an understatement. The had plastic on walls, drop cloths on floors, wore their mask, and gloves throughout the whole job. Once they left I didn’t have to clean anything up. Its has been a few months since the install and I can totally tell the difference of our air quality. I have recommended them to everyone."





+27
From average costs to expert advice, get all the answers you need to get your job done.

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