
Serving Oak Park, 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 Oak Park, 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 Oak Park, 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 April 26, 2026

Serving Oak Park, 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 Oak Park, CA and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"After talking with several attic clean out and insulation, wall insulation companies, I decided to go with Marathon Insulation. Johnathan was very helpful and professional, gave the best choices for my issues, without trying to upsell like some of the others. After getting the attic and walls insulated (with attic clean out) I can already feel the heat stay in the rooms much longer and the walls much less cold to the touch before. I highly recommend Marathon Insulation! They were always on time, delivered as promised, and cleaned up after."





+23

Serving Oak Park, 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 Oak Park, 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 Oak Park, 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 Oak Park, 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 Oak Park, 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 Oak Park, 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 Oak Park, CA and surrounding areas
In business since 1999
Free estimates
Emergency services offered
"Zohar at Best builders group and his crew did a wonderful by remodeling our 3 bathrooms. We couldn’t be more pleased and satisfied with the overall experience we had with them and with the office staff that were involved at our project. Zohar is indeed a great person with a special character that made this involvement great and stress free. We know that if we will ever plan on doing another remodeling project, Zohar and his crew will be the only people we will hire for that. Many thanks."





+260

Serving Oak Park, CA and surrounding areas
In business since 2016
Free estimates
Emergency services offered
"DNA Heating & Cooling, Inc. Very professional. I highly recommend Andrew and his team. DNA Heating & Cooling was the answer to my 4 month long saga. They showed up on time - got it done quickly with a minimum of fuss and filth. Everyone was professional and genuinely nice."





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

The cost of blown-in insulation in Los Angeles, CA varies depending on the type of insulation, labor, prep work, and more. Learn more about the cost factors in this guide.

New insulation makes your home more comfortable and boosts energy efficiency. Use this guide to budget for insulation installation costs in Los Angeles, CA.

Attic insulation removal costs in Los Angeles, CA, vary based on multiple factors, including why you're removing it and how easy it is to complete the task.

How much does insulation save on energy bills? It depends on where you live and the type of insulation you install.

Poor insulation in your house means a less comfortable living space and higher energy bills. Use this guide to diagnose issues with your 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.