Serving South San Francisco, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2003
Free estimates
Emergency services offered
"The work was completed sooner than promised. I am very satisfied with this company and the work that they completed. They gave me a 50 year warranty for my shingle roof and replaced all the insulation in my attic. Thank you atom builders."
+3
Serving South San Francisco, CA and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"The work was completed sooner than promised. I am very satisfied with this company and the work that they completed. They gave me a 50 year warranty for my shingle roof and replaced all the insulation in my attic. Thank you atom builders."
+1
Serving South San Francisco, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
Air Sharks delivers expert HVAC services to homeowners across the South Bay, including installation, repair, and maintenance of top brands like Daikin and Lennox. We also specialize in improving indoor air quality with professional ductwork inspection and cleaning.\n\nOwner Khaled Alsaka built Air Sharks on a passion for transforming the HVAC experience through education, collaboration, and top-tier products. We provide personalized consultations and tailored heating and cooling solutions, taking pride in our craftsmanship, attention to detail, and commitment to five-star service.
+22
Serving South San Francisco, CA and surrounding areas
Approved
In business since 1997
Free estimates
Credit card accepted
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. With over 20 years of experience in the roofing and general construction, our roofing team can quickly identify roofing issues to repair. As with all of our services, we guarantee our work and promise to repair the issue the right way the first time, every time. We look forward to earning your business!
Serving South San Francisco, CA and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"i can only say good things about working with Attic masters. Great communication, They came on time, protected our floors and hallway from insulation dust, took pictures of the before and after for us so we can get the rebate. overall, very easy and stress free company to work with. I would definitely use again, it was a pleasure to work with true professionals."
+204
Serving South San Francisco, CA and surrounding areas
In business since 2020
Free estimates
Credit card accepted
"I want to first thank Fernando and his crew for an amazing job they did. His team was very professional and got the job done in one day at my request. I would hire him again. They removed old sheets of insulation, the loose insulation from my attic, vacuumed the entire attic, sanitized it, added baffles so the new loose insulation would not clog up the eaves of the house, they seal interior walls, drilled holes into the exterior walls of our house, blew in new insulation, seal the holes and made sure everything was clean when they left. My house is now cooler that ever with AC set at 77 degrees Thanks again for the great service."
+8
Serving South San Francisco, CA and surrounding areas
In business since 1974
Credit card accepted
"It feels good after the insulation was done. They did very good work."
+4
Serving South San Francisco, CA and surrounding areas
In business since 2010
Free estimates
Credit card accepted
"We had an inspection and we had to replace the insulation in the attic. We were able to get a good deal from this company after we reached them via a referral.
The work that they did was very good and professional. there were several employees at the house for the 2 days work that they did. We do recommend this company for any insulation replacement that you may need.
"
+7
Serving South San Francisco, CA and surrounding areas
In business since 2015
Free estimates
Warranties offered
"Huge difference between 1972 and 2020 insulation! In n out with no hassles and was pretty quick too!"
+156
Serving South San Francisco, CA and surrounding areas
In business since 2020
Free estimates
Emergency services offered
"We were lucky to find this insulation company attic efficiency to do a job in our home and we are extremely satisfied with the result. From the first contact, the company was professional and attentive to our needs. After a detailed evaluation of our home, they provided us with a clear and detailed quote for the installation of insulation. The installation was carried out by a highly skilled team, who worked efficiently and respectfully in our home. From protecting work areas to cleaning up after the installation, everything was handled with care and professionalism. The end result is that our home feels much more comfortable and energy-efficient. We have noticed a significant reduction in our energy costs and an improvement in indoor air quality since the insulation installation. In addition, outside noise has been significantly reduced. In summary, we are very pleased with the work done by this insulation company. From start to finish, the process was easy and professional. I would recommend this company to anyone looking to improve their home's energy efficiency and comfort"
+7
Local and federal rebates are available for insulation installation, which can significantly reduce your overall costs. Many utility companies offer incentives or rebates to homeowners who improve their home's energy efficiency. Contact your local energy provider or government agencies to learn about available programs in your area, and consult with a professional insulation installer to maximize your savings.
It's not necessary to remove old insulation before adding new insulation, as long as the existing insulation is in good condition—dry, free of mold, and not damaged. Adding new insulation on top of old insulation can improve your home's energy efficiency by increasing the overall R-value. However, if the old insulation is wet, moldy, or damaged, it's best to remove it before installing new insulation to prevent potential health risks and ensure optimal performance.
Insulating a house takes between five and twelve hours for batts or boards, and two to five hours for spray foam or blown-in insulation. The exact time depends on the size of your home, the type of insulation, and the accessibility of the areas being insulated. Keep in mind that projects may take longer if old insulation needs removal, if there's a larger square footage, or if spaces are difficult to reach.
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