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    Average homeowner rating
  • Verified reviews icon54
    Verified insulation services reviews

Find Insulation pros in Duarte

Avatar for Everguard Home Insulation Inc.

Everguard Home Insulation Inc.

4.92(
178
)
Approved Pro

Everguard Home Insulation Inc.

4.92(
178
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
66 years of experience

Everguard Insulation has been a family business since 1959. Today, over 65 years and three generations later, we're proud of our contribution to the community, economy and environment. We help people save money on their utility bills while also enjoying a more comfortable home in both summer and winter. We also take pride in helping the environment and doing our part towards energy conservation and making the planet a greener place for generations to come. Additional phone numbers 818.348.1460 & 310.274.5644 - Additional DBA - Home Insulation Products. Award winning.

"We were very with the entire process! They took time to cover everything and the first and second team of workers were polite and careful in the work they performed. Aldi the clean up afterwards was excellent as well. We were super happy and would highly recommend them to anyone thinking of replacing there insulation!!"

Leo C on May 2025

Everguard Insulation has been a family business since 1959. Today, over 65 years and three generations later, we're proud of our contribution to the community, economy and environment. We help people save money on their utility bills while also enjoying a more comfortable home in both summer and winter. We also take pride in helping the environment and doing our part towards energy conservation and making the planet a greener place for generations to come. Additional phone numbers 818.348.1460 & 310.274.5644 - Additional DBA - Home Insulation Products. Award winning.

"We were very with the entire process! They took time to cover everything and the first and second team of workers were polite and careful in the work they performed. Aldi the clean up afterwards was excellent as well. We were super happy and would highly recommend them to anyone thinking of replacing there insulation!!"

Leo C on May 2025


Avatar for Marathon Insulation

Marathon Insulation

5.00(
15
)
Approved Pro

Marathon Insulation

5.00(
15
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

Hi my name is Jonathan owner of Marathon Insulation. I started working for a reputable company 13 years ago, just this year I decided to start my own business. I have all the knowledge and hands on experience to answer any of your insulation questions.

"Great very pleased"

Betsy W on December 2023

Hi my name is Jonathan owner of Marathon Insulation. I started working for a reputable company 13 years ago, just this year I decided to start my own business. I have all the knowledge and hands on experience to answer any of your insulation questions.

"Great very pleased"

Betsy W on December 2023


Avatar for Trig Builders Inc.

Trig Builders Inc.

4.96(
138
)

Trig Builders Inc.

4.96(
138
)
Customers say: Quick response
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers

We at Trig Builders offer all inclusive remodeling and construction services for residential and commercial customers. With over a decade of vast project experience all over Los Angeles and Ventura county, we can help you with your remodeling and build your next dream home! We are general contractors, but we also provide the following services: roofing, room additions, kitchen remodeling, bathroom remodeling, windows and doors and so much more.

"Buyer beware!!! I have never had such a nightmare with this company. Save your money and your sanity. They installed a patio cover for me. It leaked immediately. This was two years ago. For the past two years, they have been out at least 7 or 8 times claiming to "fix" the leaks. The leaks were not normal patio leaks by the way. The leaking has cause 3 of the 4 lights installed in the patio to fail. Every time they come, it's never fixed. The leaks keep getting worse. They never follow up with me, I always have to call them. They do not manage their sub contractors at all. This latest round started just before Christmas 2021, it's now been three months, four visits later. They took flashing off, said they were going to let it dry out and put it back. I didn't hear from them for two weeks, I noticed rain on the weather , I called Trig who had to send them back out to put the flashing back on. They sent some guy to do some more drastic sealing or something on my roof, they claimed it was done.....see attached photos of how they left my roof claiming it was done. Also, never followed back up with me on a light they need to replace which is still burned out and filled with water from rains. Save yourself the headache please!!! This still isn't resolved. I have filed a BBB compliant to try and help me resolve."

PERI G on March 2022

We at Trig Builders offer all inclusive remodeling and construction services for residential and commercial customers. With over a decade of vast project experience all over Los Angeles and Ventura county, we can help you with your remodeling and build your next dream home! We are general contractors, but we also provide the following services: roofing, room additions, kitchen remodeling, bathroom remodeling, windows and doors and so much more.

"Buyer beware!!! I have never had such a nightmare with this company. Save your money and your sanity. They installed a patio cover for me. It leaked immediately. This was two years ago. For the past two years, they have been out at least 7 or 8 times claiming to "fix" the leaks. The leaks were not normal patio leaks by the way. The leaking has cause 3 of the 4 lights installed in the patio to fail. Every time they come, it's never fixed. The leaks keep getting worse. They never follow up with me, I always have to call them. They do not manage their sub contractors at all. This latest round started just before Christmas 2021, it's now been three months, four visits later. They took flashing off, said they were going to let it dry out and put it back. I didn't hear from them for two weeks, I noticed rain on the weather , I called Trig who had to send them back out to put the flashing back on. They sent some guy to do some more drastic sealing or something on my roof, they claimed it was done.....see attached photos of how they left my roof claiming it was done. Also, never followed back up with me on a light they need to replace which is still burned out and filled with water from rains. Save yourself the headache please!!! This still isn't resolved. I have filed a BBB compliant to try and help me resolve."

PERI G on March 2022


"Professional Builders & Remodeling is a great company! I hired them for the first time but certainly not the last. I went with them on my kitchen remodel and they did a perfect job! They were always on time, professional, honest, and they made the whole remodeling process easy and simple. The kitchen turned out great, it's very beautiful and I love it!"

Jack M on July 2023

License - #B-800769.

"Professional Builders & Remodeling is a great company! I hired them for the first time but certainly not the last. I went with them on my kitchen remodel and they did a perfect job! They were always on time, professional, honest, and they made the whole remodeling process easy and simple. The kitchen turned out great, it's very beautiful and I love it!"

Jack M on July 2023


Avatar for Golden Line Construction Inc

Golden Line Construction Inc

5.00(
15
)

Golden Line Construction Inc

5.00(
15
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Golden Line Construction offers a fully inclusive client-focused construction management experience. We specialize in a Lexury custom home building and Home design, New construction, Room additions, Full home remodeling, kitchen & Bathroom remodel & Architectural design. We serve our customers in Calabasas, Thousand Oaks, Woodland Hills, Encino, Sherman Oaks, Studio City, Bel Air, Brentwood, Santa Monica, Venice, Playa Del Rey, Mar Vista, Culver City, Century City, Beverly Hills, Cheviot Hills and all surrounding areas

"I had never used my old basement and I decided to start use it but It needed remodeling. My neighbor recommended me Golden Line construction and after I saw their work on his house I hired them. They arrived on scheduled time and all employees were friendly, professional and helpful. There were some issues but working crew resolved everything easily. My basement looks amazing, better than I expected. Highly recommended contractor!"

James C on November 2019

Golden Line Construction offers a fully inclusive client-focused construction management experience. We specialize in a Lexury custom home building and Home design, New construction, Room additions, Full home remodeling, kitchen & Bathroom remodel & Architectural design. We serve our customers in Calabasas, Thousand Oaks, Woodland Hills, Encino, Sherman Oaks, Studio City, Bel Air, Brentwood, Santa Monica, Venice, Playa Del Rey, Mar Vista, Culver City, Century City, Beverly Hills, Cheviot Hills and all surrounding areas

"I had never used my old basement and I decided to start use it but It needed remodeling. My neighbor recommended me Golden Line construction and after I saw their work on his house I hired them. They arrived on scheduled time and all employees were friendly, professional and helpful. There were some issues but working crew resolved everything easily. My basement looks amazing, better than I expected. Highly recommended contractor!"

James C on November 2019


Avatar for SES Builders inc

SES Builders inc

4.96(
91
)

SES Builders inc

4.96(
91
)
Customers say: Terrific value
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

SES Builders Inc. is a General Contractor with over 10 years of extensive experience in New Construction, Room Additions, Custom Home, Roofing, Renovations, Kitchen / Bathroom Remodels, Garage Conversions (ADU), Outdoor Kitchen & entertainment areas, Interior & Exterior Paint, Pools, Landscape / Hardscape, help with Architectural plans / designs, Open floor plan renovations & more! Our team is highly trained, licensed with the California State License board, Insured & bonded to bring our clients peace of mind and complete satisfaction. Personalized client support, Professionalism, and Quality Workmanship are just some of the many qualities our team brings to our client's! Call now to schedule your FREE consultation, one of our friendly representatives will be more than happy to assist you!

"SES is the best company you can think of when it comes to remodeling your house. I finished my project 6 months ago and the communication was great. Maiia from the office kept on following up with every question we had. We had the SES app that we communicated easier and saw pictures of our project throughout the process. We live half of the year in Russia and due to COVID we couldn't come back so it took a while until we were able to see how it came out. Job was done properly, they cleaned the house when they finished and it was a pleasure to do business with them."

Beverly S on October 2020

SES Builders Inc. is a General Contractor with over 10 years of extensive experience in New Construction, Room Additions, Custom Home, Roofing, Renovations, Kitchen / Bathroom Remodels, Garage Conversions (ADU), Outdoor Kitchen & entertainment areas, Interior & Exterior Paint, Pools, Landscape / Hardscape, help with Architectural plans / designs, Open floor plan renovations & more! Our team is highly trained, licensed with the California State License board, Insured & bonded to bring our clients peace of mind and complete satisfaction. Personalized client support, Professionalism, and Quality Workmanship are just some of the many qualities our team brings to our client's! Call now to schedule your FREE consultation, one of our friendly representatives will be more than happy to assist you!

"SES is the best company you can think of when it comes to remodeling your house. I finished my project 6 months ago and the communication was great. Maiia from the office kept on following up with every question we had. We had the SES app that we communicated easier and saw pictures of our project throughout the process. We live half of the year in Russia and due to COVID we couldn't come back so it took a while until we were able to see how it came out. Job was done properly, they cleaned the house when they finished and it was a pleasure to do business with them."

Beverly S on October 2020


"We hired Four Seasons Remodeling and Design to replace a large deck at our home, and the results exceeded our expectations. They removed the old deck, installed new caissons for proper support, and rebuilt everything from the ground up. The crew was knowledgeable, organized, and respectful of our property. The final product is sturdy, well-built, and looks fantastic. I would definitely use them again for future projects."

Mahima K on December 2025

General contractor and design specialized in interior and exterior work

"We hired Four Seasons Remodeling and Design to replace a large deck at our home, and the results exceeded our expectations. They removed the old deck, installed new caissons for proper support, and rebuilt everything from the ground up. The crew was knowledgeable, organized, and respectful of our property. The final product is sturdy, well-built, and looks fantastic. I would definitely use them again for future projects."

Mahima K on December 2025


Avatar for Fidelity Builders and Design

Fidelity Builders and Design

4.96(
74
)

Fidelity Builders and Design

4.96(
74
)
Customers say: Terrific value
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

We are fully insured and bonded Home remodeling company. We have been in business for more than 8 years now. We are serving all 3 counties: Los Angeles County Ventura County Orange County. We are not electrical specialist. We are general contractors specializing in room additions, kitchen and bathroom remodeling, much more.

"Tal Mechaly was extremely useful when we hired him and his people to design and rebuild our new kitchen and laundry room. Tal helped us select the new stunning marble slab for the new island that he implemented in the design and the gorgeous chandelier above it because the island that he designed for us included table as well. Tal Mechaly was amazing at selecting all the paint colors combinations and with his design… he was able to pull it all together as one piece of art kitchen. Tal Mechaly was very easygoing person to work with, with excellent creativity skills and his thinking outside of the box ability was beyond believes."

Gilbert V on September 2018

We are fully insured and bonded Home remodeling company. We have been in business for more than 8 years now. We are serving all 3 counties: Los Angeles County Ventura County Orange County. We are not electrical specialist. We are general contractors specializing in room additions, kitchen and bathroom remodeling, much more.

"Tal Mechaly was extremely useful when we hired him and his people to design and rebuild our new kitchen and laundry room. Tal helped us select the new stunning marble slab for the new island that he implemented in the design and the gorgeous chandelier above it because the island that he designed for us included table as well. Tal Mechaly was amazing at selecting all the paint colors combinations and with his design… he was able to pull it all together as one piece of art kitchen. Tal Mechaly was very easygoing person to work with, with excellent creativity skills and his thinking outside of the box ability was beyond believes."

Gilbert V on September 2018


Avatar for AAA Solar Construction

AAA Solar Construction

5.00(
14
)

AAA Solar Construction

5.00(
14
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

AAA Solar Construction is an experienced home improvement company specializing in a numerous amount of trades. We primarily service Orange County and its surrounding counties of Riverside & San Bernardino. We take pride in our ability to provide eco-friendly products. Our team of experts ensures quality and performance every step of the way and we are committed to providing you with the greatest return on your investment.

AAA Solar Construction is an experienced home improvement company specializing in a numerous amount of trades. We primarily service Orange County and its surrounding counties of Riverside & San Bernardino. We take pride in our ability to provide eco-friendly products. Our team of experts ensures quality and performance every step of the way and we are committed to providing you with the greatest return on your investment.


Avatar for Vargas Custom Plaster inc

Vargas Custom Plaster inc

4.98(
92
)

Vargas Custom Plaster inc

4.98(
92
)
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Vargas Plastering is a complete plastering company. We are licensed, bonded, and insured. Our license, bond, and insurance are in good standing and we have been awarded Angie's List prestigious Super Service Award for the last seven consecutive years (2014, 2015, 2016, 2017, 2018, 2019, 2020) and will strive to win another for 2021!

"Johnathan was very responsive and professional. Our wall has moisture issues and he was upfront about the pros and cons of various finishes. He ended up recommending a textured (less expensive) finish that will allow for repairs down the road and I really appreciated his honesty in this regard. His crew applied the stucco by hand and they did a beautiful job. They are true craftsman. I would definitely hire Jonathan again."

Renee F on May 2022

Vargas Plastering is a complete plastering company. We are licensed, bonded, and insured. Our license, bond, and insurance are in good standing and we have been awarded Angie's List prestigious Super Service Award for the last seven consecutive years (2014, 2015, 2016, 2017, 2018, 2019, 2020) and will strive to win another for 2021!

"Johnathan was very responsive and professional. Our wall has moisture issues and he was upfront about the pros and cons of various finishes. He ended up recommending a textured (less expensive) finish that will allow for repairs down the road and I really appreciated his honesty in this regard. His crew applied the stucco by hand and they did a beautiful job. They are true craftsman. I would definitely hire Jonathan again."

Renee F on May 2022

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Insulation questions, answered by experts

Interior walls don't require insulation. However, there are a couple of reasons you may consider adding it in some situations. Insulation in interior walls is excellent for sound-dampening between rooms and can help maintain a regulated temperature in insulated rooms by lowering the heat transfer between adjacent areas of the home.

When installing metal siding, a high-quality house wrap is considered the best protection against condensation and moisture infiltration. House wraps can increase a home's efficiency significantly. However, a house wrap is not a replacement for a vapor barrier because it can be permeable when moist air passes through siding. This is why it's essential to follow manufacturer instructions for insulating siding when installing new siding.

Each of the three types of wool insulation has particular disadvantages. While their R-value is higher, they all cost more than fiberglass versions. Installing mineral wool and sheep wool requires protective gear. Because of its vulnerability to insects, chemicals are used in its production. Hemp wool is more costly to install than other types because additional tools and labor are involved.

Insulating ducts prevent or significantly reduce condensation by reducing temperature differences between the duct surface and surrounding air. Proper insulation also minimizes sweating, improves energy efficiency, and prevents moisture damage. However, if humidity levels are unusually high or there are air leaks, additional measures like sealing ducts and using a dehumidifier may be needed.

When you insulate ductwork, you help protect the air moving through the system from external conditions and keep it sealed within the ducts. This makes your HVAC system more efficient since it doesn’t have to work as hard to heat or cool your home. Insulation can help lower your energy bills and prevent problems like condensation and mold formation inside your ducts.

The Duarte, CA homeowners’ guide to insulation services

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