Top Rated Insulation Contractors Serving San Jose, CA

A: Verified Service Champions Customer, 1 of 7955
"They are very reliable, service is well done, and we have never had any problems. We know the quality of the service we will get when we work with them. They are punctual, they care about their work, they do a good job, and we have never had any problems with our heating and HVAC system with them." - Nicholas Y.
All Survey Responses for Service Champions
Verified Bay Valley Insulation Customer, 1 of 45
"They were very professional, seemed to know what they were doing and worked hard. It was a hot day, so I am sure it was hot up there. They did a good job. They explained what I didn't need. I appreciated that they were sensible and knowledgeable." - Glennda C.
All Survey Responses for Bay Valley Insulation
Verified All Bay Insulation & HVAC Customer, 1 of 45
"They are reliable. I refer a lot of clients to them. They stand behind their work. They came out to fix something they did 2 years ago. Good quality, stay on their timeline, and are really good" - Eli K.
All Survey Responses for All Bay Insulation & HVAC
Verified Insul-Techs Inc Customer, 1 of 120
"Great customer service, everybody has been very respectful. They are efficient, and if you need them right away, you can call them and they will be out promptly. He is not one to hound you for money and he will send you an invoice when you are ready. They are very efficient and they know what they are doing. I have never had a failed inspection because of them." - Sammi D.
All Survey Responses for Insul-Techs Inc
Verified San Jose Heating & Cooling Customer, 1 of 17
"Really nice, good service, good prices, and they came at the right time when I asked. Some companies will only come out in the morning or afternoon, but they came when I asked. I am happy. Their timing" - Ronnie M.
All Survey Responses for San Jose Heating & Cooling
Verified Atticare Construction Customer, 1 of 543
"They do excellent work. Their employees were extremely polite, worked together efficiently, and cleaned up after all the work was done. They brought all of their own tools. I have never worked with another company we liked so much. They succeeded at what they promised me. We were happy working with them." - Susan C.
All Survey Responses for Atticare Construction
Verified Los Gatos Roofing Customer, 1 of 642
"We've had wonderful service over the years. I think it's a good company, and I'm happy to do business with them. The workers who actually did the work were very quick, very efficient, and very neat. They were in and out. It was great. Even when I thought I needed a new roof, they let me know how I could extend the life of my existing roof. " - Ann H.
All Survey Responses for Los Gatos Roofing

A: Diamond Certified insulation contractors use top-quality brands like Icynene, Duro-Last Roofing, Greenfiber, Applegate Insulation and Fi-Foil Company.

A: Insulation contractors typically offer a variety of ceiling insulation options, such as fiberglass, cellulose, rock wool, and spray foam insulation. Fiberglass insulation is the most common and cost-effective option, offering excellent thermal performance and sound absorption. Cellulose insulation is made from recycled paper products and is known for its fire and pest-resistant properties. Rock wool insulation is another popular option, providing strong acoustic insulation and fire resistance. Spray foam insulation provides superior air sealing and insulation performance, but it is more expensive than the other types.

A: Yes, Diamond Certified insulation contractors in San Jose can work with Owens Corning products and similar items to provide ceiling insulation.

A: Spray Foam Insulation
Spray Foam Insulation
Energy-Efficient Insulation
Thermal Insulation
Basement Insulation