1. Attic Efficiency

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    Walnut Creek, CA

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    Insulation removal

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    Amir N.

    I was impressed from the beginning, Daniel came and gave us very fair deal with the most value, He kept the times he promised, did a great job and left our house clean and tidy, highly recommended!

    Eli H.

    I was looking for a company to clean my attic and take care of the insulation, Daniel from attic efficiency came and gave me a very professional service. Daniel took his time explaining me all the options I have, gave me a great price so I decided to go with him. His crew was fantastic and the job was smooth and clean. I highly recommend attic Efficiency! Ask for Daniel .

    Deepak R.

    Very hard working team to ensure what they promised is delivered at the pre-agreed price! Start to finish was managed well even during extreme cold weather conditions.

    Tamir E.

    I got Daniel from attic Efficiency, the team cam to replace our attic insulation and the job done perfectly, the house stayed cleaned after the job , we are very happy from attic efficiency.

    Sarah M.

    We did our attic insulation with attic efficiency a month ago and we was very impressed , they did a very good job , we will defiantly recommend them to our neighbors.

    Insulation

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    2 years ago

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    1 year ago

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    Tiffany G.

    Was pleasure

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    1 year ago

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    3 years ago

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    3 years ago

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    Tiffany G.

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    2 years ago

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    Tiffany G.

    Thanks a lot Alfred , it was a pleasure

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    4 years ago

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    4 years ago

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    4 years ago

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    4 years ago

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    2 years ago

    Great service, the guys was very professional and left the house clean , we really happy from Daniel .

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    4 years ago

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    4 years ago

    I'm a general contractor and I did 2 projects with attic efficiency, highly recommend

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    4 years ago

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    Tiffany G.

    Thanks Elizabeth, looking forward for the next project.

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    3 years ago

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    You might also consider

    Attic Green - -Rodents Control/ Proofing/ Prevent Rodents returning in future. 
- Attic/ crawl space and

    Attic Green

    (86 reviews)

    John's team was top notch. punctual, quality, and they photographed everything so I always knew…read morewhat was going on. we needed attic insulation and crawlspace vspor barrier and insulation and both areas are extremely tight. I'm amazed at the quality of work, pricing, and amount of time they were able to achieve what they did. Attic Green was the first company I found that offered both attic and crawl space service, and John came out next day after I called to offer a free bid. A competitor only did crawlspace, and asked me to go down and take pictures for him!!! Attic Green for the W!!!!

    This is a bitter and sweet post. First Uriel was responsive to my request to inspect our home for a…read morerodent issue. However his technician came out, inspected the crawl space ONLY and quoted us 9K to rodent proof, not including Insulation and clean up. He also indicated that rodents were nesting in the crawl space and we had an infestation. My home is 2100 sq ft. Also I reached out to this company as I THOUGHT we had used their services when we initially bought the house in 2020. Our home was rodent proofed, insulation replaced and cleaned under the house and all areas sealed for $1500. Attic Green's technician was very complimentary of our home which we appreciated. However, I believe his quote was indicative of thinking we had 9K to blow on a service we already had and was familiar with. I then contacted Uriel and we discussed the quote. We had a great conversation and understood they didn't do the initial work, although I had a quote of $1700 in 2020. I reached out to the initial contractor and was quoted $2000. He indicated no infestation, no insulation needed to be replaced and he took a picture of where the open spaces were where rodents were coming in which was on top of our garage, not the crawl space. To those reading this review make sure you request multiple estimates before going with this company. This was an opportunity to gouge a customer and I was extremely offended by their quote.

    Mr Attic - Rodent Proofing & Insulation Services

    Mr Attic - Rodent Proofing & Insulation Services

    (118 reviews)

    Highly recommend Mr. Attic - Rodent Proofing & Insulation Services!…read more I contacted them for an estimate, and Sean was able to come out quickly to inspect both our attic and crawl space. What really impressed me was his honesty. After checking everything, he told us that the attic looked fine and that our crawl space was dry and in good condition. He specifically told us there was no need to spend money on work that wasn't necessary. Some contractors might recommend extra work just to make money, but Sean was completely honest and straightforward. He even came out and did the inspection for free, even though there ended up being no work for him to charge us for. It's not easy to find this kind of honesty and professionalism. Sean was quick, knowledgeable, and trustworthy. I really appreciate that he put the homeowner's best interest first instead of trying to make a sale. I will definitely call Mr. Attic again if I ever need attic, crawl space, insulation, or rodent-proofing work in the future. Thank you, Sean!

    They were almost 1/2 the price of the larger corp companies for the same job. They came out and…read moreblocked the squirrels from enter the over hang. They did however accidentally tapped 2 of them in side, so they came back out and created a small opening to let them go (for a fee, but still the total cost was less that the others) and then a few days later when all was clear, they closed up the opening (no fee for coming back to close the opening, very nice) to resolve the issue.

    Crawlspace Clean - Encapsulation Barrier

    Crawlspace Clean

    (181 reviews)

    We have a crawlspace in our house that needed some TLC. Sure it provides a way to route air ducts…read moreand water pipes along with raising the house on pillars. However, crawlspaces can get moldy and wet from lack of care. If you ever encounter rodents, there is a good chance they came via the crawlspace. After all, we do hear noises at night at times, which is creepy. Jacob visited and gave a comprehensive review and estimate. We basically went for a full package of rodent control, cleaning, and installing a new vapor shield to keep it dry. The while job took maybe 2.5 days with a crew of 3 workers each day. Outstanding quality work. First phase was sealing up the homes around the house and crawlspace, and laying traps. The attic was inspected too. This was followed up with weekly followups to ensure no more rodents. This scope was subcontracted to Golden State Critter Control. Highly recommend working with Greg. The next two phases involve cleaning and eventually reinstallation of the vapor shield. Compared to what we had before, it was day and night! I also appreciated the crew alerting me to a leaky drain pipe. I later worked with a plumber to replace a cracked 3"D drain pipe that connected upstairs to downstairs. It was fixed in about 3 hours with two plumbers. Definitely recommend Crawlspace Clean for rodent control and crawlspace cleaning. 5 stars.

    I rarely write negative reviews, but I feel compelled to share my experience with Crawl Space Clean…read moreto save others from the same costly mistake. The main issues boil down to three things: excessive pricing, sub-par workmanship, and a very short warranty period. About a year ago, I discovered a bad rodent infestation. Looking for a quick solution, I made the mistake of hiring Crawl Space Clean without getting multiple bids. I spent over $14,000 on rodent-proofing and subfloor insulation replacement, only for the rodents to return. When I called them back, I was informed that my one-year warranty had already expired. They charged me extra just to patch entry holes they had missed during the initial job. During that same visit, they claimed I now needed a vapor barrier, quoting me an astronomical $16,000--though they offered a high-pressure "$500 discount" if I signed the contract that very day. Feeling suspicious, I finally did what I should have done at the start and called three other highly rated contractors for estimates. Every single one of them came back with quotes under $7,600 (less than half of Crawl Space Clean's price), and all of them included a 3-year rodent warranty. Furthermore, the contractor I ultimately hired to install the vapor barrier pointed out that the subfloor insulation previously installed by Crawl Space Clean had inadequate support and was already sagging. Learn from my expensive lesson: always get multiple bids, and avoid this company.

    Honest Rodent Proofing - Honest Guarantee

    Honest Rodent Proofing

    (264 reviews)

    We were hearing noises in our attic for quite some time but thought it was squirrels, but turns out…read morewe had rats. They chewed on our crawl space ducts to the point that the insulation was seeping through the vents. Our first inspection was by Sam and was pleased on how he explained the issues we were having and confirmed that we had rodents. He inspected our attics and sent another crew to check the crawl space and confirmed we also had tunneling. After sending us an estimate of the costs, we decided to check with another provider to get a competitive pricing. After reviewing we decided to go with Honest Rodent Proofing, they were clear and detailed in their statement of work and very approachable to discuss our issues. On the service day, unfortunately we had an issue where the estimate was incorrect and they missed the correct sq ft of the house. Sam was able to provide a discount and we were happy to proceed. The crew is a great team, and wanted to thank Fernando, Mario, Josh and others I didn't get their names. They were able to explain what they were doing and why. They cleared all the old insulation in the attic and replaced with new ones. They added traps which luckily caught one of the chaps the next day. They also added additional traps and will be checking in the next coming weeks. We value their service and have recommended them to our Neighbours too.

    Didnt get them to do the work but just by getting a quote, they were great. Told me outright how…read moremuch, didnt mess around and try to overcharge or upsell.

    Insulation Solutions - Fiberglass BlownIn insulation installation in attic

    Insulation Solutions

    (134 reviews)

    Did a complete Attic clean up and R44 blow in insulation & in wall insulation for an old 1959…read morehouse. I would say, they did an excellent job - Starting with Jeremy, who accommodated my schedule for preliminary inspect and gave me a on the spot quote. Elder and the guys did an excellent job in covering up the entire house and finished the job in 2 days. My house had no insulation in the walls- to very less in the attic. After the insulation my Heat as well as Cold is retained inside the house. Heat turns on once in a 24 Hr cycle vs multiple times in an hour previously. If you are thinking of in wall insulation, it's totally worth it. The quote was the most competitive and they were very flexible. I am still closing out the multiple holes in the wall, will take time as i prefer to do it myself- I had plans to paint anyway .

    Good solid insulation company with actual employees from the company doing the work, and not just…read morehiring outside contractors. Everyone was extremely experienced and the work was completed on my home quickly and efficiently, with everything having protective plastic sheeting all the way from my front door to the work areas. The sales rep that came out to do the initial inspection and to give a quote, was very experienced and answered all my questions. We agreed on a course of action, and I later discovered I needed additional work, and he worked with me on getting that added. The workers arrived even earlier than expected on the day they were working on our house. They clearly had all the appropriate material and machines and equipment to do the job correctly. I feel very good about everything that was done and I would definitely recommend them. Everything was left clean and there was nothing I had to do to clean up behind them. The reason I am not giving five stars (only 4 stars) is because of the paperwork having multiple errors, and they took weeks to get me the pictures of the before and after shots of the work they did. I asked them to correct some errors I found in the paperwork, and even found more errors and had to ask them a second time to correct the invoice for my records. I also questioned whether the correct insulation was put into a certain wall, because the paperwork was incorrect. It took a physical callback from a different person to physically check, and he didn't really seem to understand clearly what the problem was. I showed him pictures of the insulation rating that I took for that wall, and he was about ready to go and purchase the insulation and redo the specific wall I was questioning. But then he just called the installers and they told him they put the correct R-Rating on that wall and then he left. He clearly was not trained well enough, and I still don't know if the correct insulation was put on that wall. All the hassle of the paperwork correction and reinspection of the work was not necessary if they paid attention to details better. But other than the paperwork and questioning a specific wall, the actual work was professionally done and these guys clearly are a good professional organization. Just keep an eye on the paperwork and go over all the lines of work in the contract before you sign it. Don't rush and sign what they give you. Read every line on the contract to look for errors. As far as the value for the service and work, they were right in the price range I was expecting. Don't hesitate to use them.

    Attic Pros - Attic Cleaning

    Attic Pros

    (1.2k reviews)

    East Oakland

    We had rodents dancing above our heads at night in our low head-room attic. We called Attic Pros…read morewho did a cursory "inspection" and recommended complete replacement of attic insulation, replacement of most A/C duct work in the crawl space below the house, sanitizing, and sealing up "all" entry points for critters. It was very expensive but we went with them mainly because the "inspector" (a salesman through and through) had excellent English and promised to personally manage the project. He answered one subsequent question and then disappeared, never to be heard from again. The estimated 3-day job took 3 weeks, with schedules shifting daily, different crews, minimal work days, redundant and often incorrect communication via text and email, and no explanations of what was going on. The crews were friendly but spoke minimal English. It was difficult to understand what was done, not yet done, or not intended to be done. Once they left, the critters remained. Staff came back 3 or 4 times to seal additional openings ... to the wrong area (crawl space rather than attic). The most recent visit by Jorge was very good. He had good English so his explanations were understandable and helpful. He found and fixed two more openings - these at roof level - and recommended a spray that can repel rodents from returning. I bought and used that (why don't they do that themselves?) and the first night at least was the first "quiet" night in months.

    Tom is very professional. He explained the details of attic cleaning they do, showed the photos and…read morewhat all cleaning service needed, and followed up with itemised quote. Very quick in responding to queries over the phone and text.

    Attic Efficiency - insulationinstallation - Updated October 2026

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