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    Services - Attic Masters

    Insulation inspection

    Insulation removal

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    Recommended Reviews - Attic Masters

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    Reviews With Photos

    Insulation and attic fan.

    Attic Masters insulated our attic yesterday. Our home is 70 years old, and still had the original sawdust insulation installed. Attic Masters' crew came and removed all the old insulation along with assorted debris from the past decades, sanitized the space, air sealed all the cracks, did some rodent-proofing, and installed new insulation. We got several quotes when planning this work, and chose this company because the gentleman that came to do the estimate did such a good job explaining the work they would do, giving us options where it made sense to do so (insulate above the attic? What type of insulation?) and being transparent about the whole process. We were not disappointed, the work was beautifully and quickly done. Would highly recommend their work.

    Adam TOTALLY flaked on me...
    J J.

    I made an appointment for an estimate to get my attic insulated with these people a week ago (June 25) via the Yelp app online. "Adam" communicated with me that they would be here between 10AM and 12PM on July 2nd. I had to shuffle some appointments I had in the morning around to accommodate for this time. Well, fast forward to today (July 2nd)...I've been sitting on my butt all morning to wait for the estimator to show up. When 12:15PM rolled around, a total classic no-show. I called their office and "Adam" (I presume the same Adam I was talking with through Yelp?) acknowledged my appointment and said someone would be calling me right back... So about 20 minutes later, someone named "Reuben" called me and said, "the office made a mistake...I might be able to make it around 2.." I told him "no" as I have to be in San Francisco for an appointment at 2:30..he sounded like a broken record and kept repeating that the "office made a mistake.." I told him to just forget it, that I was going to go with another company that genuinely respected their customers and their time..(do they think people just sit around all day, that other people's time is not important?!) If you're going to flake on an estimate for a potential job, chances are high that you'll flake on the actual work, too!

    After old insulation removed. Lots of droppings.
    Andrew W.

    When the day got cold, little critters started to build their homes in my attic. Following the reviews here, we contacted AtticMaster for an inspection. Roy was our inspector and later led the clean-up team. He is professional and easy to work with. He came for a free inspection the next day and actually came back the second time since we forgot to ask for the garage attic inspection at first. The pricing was reasonable and the scheduling was easy and quick. On the day of clean-up, Roy brought a four-men team including himself. The team moved fast and finished the work in 7 hours. Throughout the day, Roy texted me with progress update and photos. Overall the work was satisfactory. I am glad to have AtticMaster to clean out our attic. A good company with hard-working and professional people. I highly recommend them.

    Rat droppings and sparse insulation (before Attic Masters)
    Darren W.

    I was in need for insulation services for my home, and searched on Yelp for local companies. I found Attic Masters, and wrote an online inquiry from their website link provided from Yelp. Within 15 minutes, I received a phone call from a live person to ask about my insulation needs. I was able to receive an estimate online, had some communication for fine-tuning the estimate, and scheduled an appointment. When the attic professionals arrived (Roy, and two other team members), they were very careful about preparing the entry way to my attics (I have two). I appreciated that they were very clean in their work, and respected my home. I originally wanted to have insulation only, but also opted to have the attic cleaned, decontaminated, and varmint-proofed prior. It seemed to make sense to have a fresh, new space before adding new R38. The cleaning work done by Attic Masters was amazing. They found a lot of debris, unwanted material, rat droppings, and more. I have posted before and after images to better describe how meticulous their work is. Not only was I unaware of the disgusting condition in my attic, I now have a greater peace of mind knowing that above my head is a sanitary space. When the cleaning was done, I was able to take a look for myself - the attic literally looks brand new! I would highly recommend this service to anyone, and especially for homes that were built many years ago like mine. The installation of the R38 was a great choice. I have added images as well for those interested in doing this. You can see that they carefully packed the R38 edge to edge. There are no areas where there is not coverage. Currently in December our energy bill is over $400. I am confident this will drop significantly now. Overall, I am very pleased with the service, staff, and work performed. The end to end experience with Attic Masters was very professional. If you are in the market for attic cleaning, decontamination, or insulation upgrades, I highly recommend them.

    A photo of my finished attic with R-30 battens ans radiant barrier.
    William M.

    I have used Yelp for years, but this is my first review and it could not be more deserving. The attic in my 1971-built house had little or no remaining blown-in insulation. When a new roof was installed a few months ago, the attic became so hot in the afternoons that the AC ran continuously until almost midnight. So that is where Attic Masters came into the picture to replace the old insulation with new R-30 battens. They also added a radiant barrier and replaced the return HVAC ducts with new insulated ones. The Attic Masters lead, Reuben, and his team of 4 installers did a fantastic job. They worked long days in my hot attic and their workmanship was outstanding. Moreover, they were the most polite professional team ever. They finished in three days and kept me informed of their progress along the way. I highly recommend Attic Masters for any insulation or HVAC duct work.

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    Good price. The guy coming over is polite and patient. Nice follow up. Would recommend.

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    Ask the Community - Attic Masters

    Review Highlights - Attic Masters

    “Ruben came to my house to estimate and he explained what would be done in details with photos from their work.”

    Mentioned in 19 reviews

    Read more highlights

    You might also consider

    Universal Insulation

    Universal Insulation

    (151 reviews)

    Many thanks to the Universal Insulation team for doing such a great job on my attic from start to…read morefinish. We purchased our home many years ago and didn't realize how much of a mess the attic truly was until Universal Insulation completed an assessment in preparation for a possible heat pump installation next year. We're so grateful to have found a company we could trust to do things the right way. During my correspondence with Marko, Marko arranged for an assessment to be conducted by Nicholas. From the initial assessment, Nicholas was incredibly patient in addressing all our concerns and questions -- especially since we are very "hands on" homeowners. Once the contract was signed, Ann promptly scheduled us for the next available appointment and provided clear, detailed instructions on how to prepare before their arrival. The meticulous process began with removing the old insulation and debris, vacuuming the attic floor, and sanitizing the space. The next step was ensuring the attic was structurally sound and ready for new insulation. Because of the care and attention to detail that Marko, Miguel, and Nicholas put into every part of the job, we ended up with a dry, well insulated, properly ventilated, and easily accessible attic. If you're looking for an excellent insulation company, I highly recommend the team at Universal Insulation, Inc. -- they are truly competent professionals who take pride in doing things the right way.

    Highly recommend these folks! Arrived when they said they would! Easy to talk to, answered all my…read morequestions, "got on" with the job. Finished the job in less time than originally quoted, excellent clean-up. Quite reasonably priced, especially for Santa Clara County, also included a credit for quoted work that didn't needed to be done.

    Attic Bros - Working hard and early to ensure that all the materials are prepped and packed with love for our special clients! 408-990-6418

    Attic Bros

    (519 reviews)

    We had our attic cleaned out and new insulation and ductwork done. Very professional from start to…read morefinish. Michael Barrie was excellent in scoping out the work and explaining how things would proceed. Liv and Catherine were very friendly dealing with the scheduling and paperwork. Jose Montiel led a very professional team and completed the job. We are very pleased with the result!

    My initial interaction with Jordan was great! He was very communicative and professional before,…read moreduring, and after the service. I appreciated that he took the time to carefully examine the crawl space, which clearly had some rodents and rabbits calling it home. Jordan walked me through each recommendation clearly without overselling the services included in the package I purchased. On the day of the service, Nick and his crew did a fantastic job. I was working from home and was able to work without any noise issues. The team worked quietly, efficiently, and with great attention to detail. I also appreciated Nick checking in with me throughout the day to ensure I understood the process and the estimated completion time. After the job was complete, our crawl space was in tip-top shape, with preventative measures in place and follow-ups planned. This is a manual process--there are no machines doing the work--and it often takes place in very tight, contaminated spaces. Our crawl space had never been properly cleaned or protected since we purchased our home. Every step requires experienced individuals to properly treat, remove, and clean impacted areas. I strongly encourage anyone considering a company like Attic Bros to understand the quality and experience they provide. Experience and context matter in every industry, and this team clearly has both. We are very happy with the results and have peace of mind knowing that areas of our home that do not normally receive much attention now have the proper protection for years to come.

    Bay Services - Clean air and new furry friends.

    Bay Services

    (695 reviews)

    Turkish workers Vusal & Khayal arrived at 11:30 am within the given 11 am - 1 pm arrival window…read more They also pre-notified me when they were on their way to my location. Both gentlemen were 5-star courteous and professional. Removal/disconnection/disassembly of my 30+ year old twin stack washer/dryer appliance was not required for vent access. After field inspection of the condo rooftop site and unit appliance location because my dryer vent was a short location from the vent exhaust location (less than 12 LF upward) cleaning from the vent exhaust location was easy and was completed within 15 minutes. Vusal tested the dryer airflow after the cleaning and measured at 6.5 m/s (1280 ft/min). After the vent cleaning, Vusal also cleaned up all the areas where the decades old loose dryer lint that had been extracted/expelled. Afterwards Vusal also was able to recover & retrieve my mini-vacuum extension that had previously fallen down into the vent screen shaft inside the dryer vent system. Workers left project site by about 12:25 pm. For this day and this specific project they get an easy 5-star rating. Paid by check for the quoted amount and I believe all is good. I will now go do a load of laundry to confirm everything works well. Thanks Bay Services for fantastic stress-free services. BTW thanks Paula for the great referral! Kenny G.

    The team did a fantastic job with our air duct cleaning! It's wild to think about how much dust and…read moredebris builds up when they aren't maintained. The price is also great!

    Attic Masters - insulationinstallation - Updated September 2026

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