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    Average homeowner rating
  • Verified reviews icon55
    Verified insulation services reviews

Find Insulation pros in San Martin

Avatar for Attic Pros

Attic Pros

4.82(
85
)
Approved Pro

Attic Pros

4.82(
85
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
16 years of experience

Attic Pros is your go-to attic insulation installation and rodent removal contractor in San Francisco Bay Area. We offer a wide range of services for rodent removal, attic cleaning, insulation replacement, and crawl space cleaning to meet all your needs. Our team is dedicated to providing you with the best possible customer service. Contact us today for a free estimate!

"All done nicely"

Mandeep R on February 2025

Attic Pros is your go-to attic insulation installation and rodent removal contractor in San Francisco Bay Area. We offer a wide range of services for rodent removal, attic cleaning, insulation replacement, and crawl space cleaning to meet all your needs. Our team is dedicated to providing you with the best possible customer service. Contact us today for a free estimate!

"All done nicely"

Mandeep R on February 2025


Avatar for American Attics

American Attics

5.00(
3
)
Approved Pro

American Attics

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
Free onsite estimate

The business specializes in providing insulation solutions aimed at optimizing energy efficiency for residential properties. We offer a range of insulation products and services tailored to different types of homes and climates, helping homeowners reduce energy consumption and lower utility bills while enhancing comfort and sustainability.

"The work was performed to my satisfaction. The Sam and the crew arrived on time and explained what was going to happen. The crew prepared the house to minimize any dust and went to work. The job was completed in two days. There were a couple of issues during the job, which were addressed in a timely manner. Overall, I am very happy with the work and would recommend American Attics."

Jeff L on June 2024

The business specializes in providing insulation solutions aimed at optimizing energy efficiency for residential properties. We offer a range of insulation products and services tailored to different types of homes and climates, helping homeowners reduce energy consumption and lower utility bills while enhancing comfort and sustainability.

"The work was performed to my satisfaction. The Sam and the crew arrived on time and explained what was going to happen. The crew prepared the house to minimize any dust and went to work. The job was completed in two days. There were a couple of issues during the job, which were addressed in a timely manner. Overall, I am very happy with the work and would recommend American Attics."

Jeff L on June 2024


Avatar for Los Gatos Roofing

Los Gatos Roofing

4.89(
211
)

Los Gatos Roofing

4.89(
211
)
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

Excellence in Roofing is more than just a tag line at Los Gatos Roofing; it is a way of doing business. With a long and storied history of service in the Bay Area, the Los Gatos Roofing family demands a strong commitment to customer service and the highest quality standards of craftsmanship. Additional address - PO Box 1726, Los Gatos, CA 95031. Additional phone number - (408) 395-9091. Additional contact names - Gary Radonich, Cameron Radonich, Randy Brown.

"This was a small job, but I was treated well. Their price was good, they were professional and prompt. I could not ask for more."

Andrew L on July 2022

Excellence in Roofing is more than just a tag line at Los Gatos Roofing; it is a way of doing business. With a long and storied history of service in the Bay Area, the Los Gatos Roofing family demands a strong commitment to customer service and the highest quality standards of craftsmanship. Additional address - PO Box 1726, Los Gatos, CA 95031. Additional phone number - (408) 395-9091. Additional contact names - Gary Radonich, Cameron Radonich, Randy Brown.

"This was a small job, but I was treated well. Their price was good, they were professional and prompt. I could not ask for more."

Andrew L on July 2022


Avatar for Guardian Protection

Guardian Protection

4.74(
2,120
)

Guardian Protection

4.74(
2,120
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Protecting homes and businesses since 1950, Guardian Protection is one of the nation's largest and most highly regarded security companies. We provide smart technology, 24/7 professional monitoring, and peace of mind to hundreds of thousands of customers. Our products are installed by experts, monitored by real people, and truly make a difference. We do what we do because of one simple truth: life is better when it's safe.

"We hired Guardian to install our security system at our Washington, DC, business. The service and quality of the work was horrible. We had cameras and an alarm system installed; it was a relatively large system. They outsource most of the work to various vendors. They could not manage their vendors; what was supposed to take a week took two months. The sales rep did not return calls, and you could never get anyone in management on the phone. Random people would show up at unannounced times. The few things that an actual Guardian employee did were they made a huge mess of our newly remodeled office and were rude to our staff. We have offices in five markets across the US and have high security at each; we have never had such a poor experience."

William M on December 2024

Protecting homes and businesses since 1950, Guardian Protection is one of the nation's largest and most highly regarded security companies. We provide smart technology, 24/7 professional monitoring, and peace of mind to hundreds of thousands of customers. Our products are installed by experts, monitored by real people, and truly make a difference. We do what we do because of one simple truth: life is better when it's safe.

"We hired Guardian to install our security system at our Washington, DC, business. The service and quality of the work was horrible. We had cameras and an alarm system installed; it was a relatively large system. They outsource most of the work to various vendors. They could not manage their vendors; what was supposed to take a week took two months. The sales rep did not return calls, and you could never get anyone in management on the phone. Random people would show up at unannounced times. The few things that an actual Guardian employee did were they made a huge mess of our newly remodeled office and were rude to our staff. We have offices in five markets across the US and have high security at each; we have never had such a poor experience."

William M on December 2024


Avatar for Attic Masters insulation Services

Attic Masters insulation Services

4.87(
97
)

Attic Masters insulation Services

4.87(
97
)
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

Attic Masters Insulation Services specializes in providing high-quality insulation solutions for residential properties. Our services include insulation removal, installation, and attic cleaning, focusing on energy efficiency and comfort. With a commitment to eco-friendly materials and practices, we ensure environmentally responsible solutions that enhance indoor air quality. Our experienced team assesses your specific needs and offers customized insulation options tailored to your home. We pride ourselves on delivering reliable service, customer satisfaction, and maintaining a clean work environment. Choose Attic Masters to improve your home’s energy efficiency and comfort while reducing energy costs for a healthier living space.

"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."

Victor H on October 2021

Attic Masters Insulation Services specializes in providing high-quality insulation solutions for residential properties. Our services include insulation removal, installation, and attic cleaning, focusing on energy efficiency and comfort. With a commitment to eco-friendly materials and practices, we ensure environmentally responsible solutions that enhance indoor air quality. Our experienced team assesses your specific needs and offers customized insulation options tailored to your home. We pride ourselves on delivering reliable service, customer satisfaction, and maintaining a clean work environment. Choose Attic Masters to improve your home’s energy efficiency and comfort while reducing energy costs for a healthier living space.

"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."

Victor H on October 2021


"They came out, gave free estimate and we got on scheduled. Really great and pricing was good."

Victoria S on September 2019

We have been in business since 1994 with over 30 years of experience offering premier drywall and painting services. We have won the Super Service Award consecutively from 2011 to 2016.

"They came out, gave free estimate and we got on scheduled. Really great and pricing was good."

Victoria S on September 2019


Avatar for California Construction Center

California Construction Center

4.77(
198
)

California Construction Center

4.77(
198
)
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Servicing the Bay Area area since 2005, California Construction Center, Inc is a licensed, bonded and insured general construction company. We have been remodeling properties for residential, commercial and industrial properties. "CCC" is a prestigious company who strives on professionalism and strong client satisfaction results. Our reputable ways allows for us to make and keep professional relationships, as we are in the mind set that the best business appreciation we can get is a referral. Family owned and operated "CCC" has spent many years creating a name for itself as both valued business and as a place where our clients can be treated with the up most dignity and respect. For we value their ideas and strive to give them input without jeopardizing their visions and ideas in the process, in the most respectable fashion possible. "CCC" displays extreme expertise and knowledge in all their business ventures. "CCC". We have aimed to be better than most with the ideals that growth is essential for success. We are proud to share that of many competing companies , "CCC "Was chosen out of 100 top contractors in the Southern California area to be on the hit "TV" show "Flip This House". We would love if your could take a moment to watch the TV show clip from http://www.youtube.com/watch?v=ekxrninanou where you can observe the owners Jonathan and Oz demonstrating their ongoing knowledge and expertise in this extensive field, both Design and Construction. Also click the following testimonial link http://www.youtube.com/watch?feature=player_embedded&v=_eslfll1xiq to view the testimonial video showing our previous clients who have had First hand experiences with "CCC". We value your time and input and strive to do business with both new and old clients, in order to continue to remain the reputable company we strive ourselves as having been this long.

"excellent work"

Justin J J on July 2025

Servicing the Bay Area area since 2005, California Construction Center, Inc is a licensed, bonded and insured general construction company. We have been remodeling properties for residential, commercial and industrial properties. "CCC" is a prestigious company who strives on professionalism and strong client satisfaction results. Our reputable ways allows for us to make and keep professional relationships, as we are in the mind set that the best business appreciation we can get is a referral. Family owned and operated "CCC" has spent many years creating a name for itself as both valued business and as a place where our clients can be treated with the up most dignity and respect. For we value their ideas and strive to give them input without jeopardizing their visions and ideas in the process, in the most respectable fashion possible. "CCC" displays extreme expertise and knowledge in all their business ventures. "CCC". We have aimed to be better than most with the ideals that growth is essential for success. We are proud to share that of many competing companies , "CCC "Was chosen out of 100 top contractors in the Southern California area to be on the hit "TV" show "Flip This House". We would love if your could take a moment to watch the TV show clip from http://www.youtube.com/watch?v=ekxrninanou where you can observe the owners Jonathan and Oz demonstrating their ongoing knowledge and expertise in this extensive field, both Design and Construction. Also click the following testimonial link http://www.youtube.com/watch?feature=player_embedded&v=_eslfll1xiq to view the testimonial video showing our previous clients who have had First hand experiences with "CCC". We value your time and input and strive to do business with both new and old clients, in order to continue to remain the reputable company we strive ourselves as having been this long.

"excellent work"

Justin J J on July 2025


"Workers were efficient, clean, and pleasant. They described their work and then did it. The following work was performed: 1.Remove registers , clean and sanitize. 2.Clean out duct with Rotobrush to remove loose dust, fluff, particles, etc. 3.Wipe down the inside walls of the vent area with warm water and disinfectant mix."

Janet B on May 2018

Evergreen is a professional Air duct & Dryer vent cleaning company. We have been in the industry for 10 years and specialize in HVAC Unit cleaning & services.

"Workers were efficient, clean, and pleasant. They described their work and then did it. The following work was performed: 1.Remove registers , clean and sanitize. 2.Clean out duct with Rotobrush to remove loose dust, fluff, particles, etc. 3.Wipe down the inside walls of the vent area with warm water and disinfectant mix."

Janet B on May 2018


Avatar for Sandium

Sandium

4.91(
65
)

Sandium

4.91(
65
)
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Sandium is the Award Winning South Bay HVAC expert, and we offer you a fresh approach to home performance. Sandium evaluates your house as a whole, identifying your home’s unique characteristics that work side-by-side with your equipment to make your home comfortable. Learn about Sandium's whole-house approach and the road to healthier air and lower bills.

"I get why Sandium has great reviews. They're install services are great and since 99% of systems probably work reliably for years that's the extet of dealing with them. But their after service support has been awful and if you're stuck with a system that fails prematurely then good luck. We paid $40k+ for a brand new Samsung heat pump system and all new ductwork last year. One of our attic air handlers died on Dec 11 taking out our bedroom zone and leaving us with nothing but space heaters for our bedrooms during our first winter with the brand new system. Took till early Jan to finally get it fixed which left us with space heaters over the holidays. Seems crazy to me when we paid a very significant premium for sandium over other competitors truly believing they were the best. Once the temporary fix was in the technician realized that the bearing failed because the cabinet was deformed. That could only have happened in original transit. They ordered a new air handler which took 3+ months to arrive. Now I'm being told this can't be installed till June or July because they're too busy. Given the system is likely to fail when under load this means there's a pretty good chance I'll lose cooling during a heat wave before they can get the new unit in. I'm by no means excited to get this new unit in as it'll be very disruptive and require removing our existing closet built ins but it has to be done. This whole situation is incredibly unacceptable. To take 6-7 months to fix a brand new system is crazy to me. I've really tried to be patient on this and it pains me to leave this review but hopefully anyone who reads this can see how unacceptable this situation is. I'm not even going to get into the back and forth with Samsung and the supply company since I made the check out to sandium and so they should be responsible for the system. When you hire an hvac company, turn around time for fixing things matters. I totally get that things can go wrong but the response to things going wrong matters. Sandium is too busy with new work to bother with that. It's not like fixing this is a favor to me. It's getting my system into the condition it should have been in on day 1."

Daniel F on April 2021

Sandium is the Award Winning South Bay HVAC expert, and we offer you a fresh approach to home performance. Sandium evaluates your house as a whole, identifying your home’s unique characteristics that work side-by-side with your equipment to make your home comfortable. Learn about Sandium's whole-house approach and the road to healthier air and lower bills.

"I get why Sandium has great reviews. They're install services are great and since 99% of systems probably work reliably for years that's the extet of dealing with them. But their after service support has been awful and if you're stuck with a system that fails prematurely then good luck. We paid $40k+ for a brand new Samsung heat pump system and all new ductwork last year. One of our attic air handlers died on Dec 11 taking out our bedroom zone and leaving us with nothing but space heaters for our bedrooms during our first winter with the brand new system. Took till early Jan to finally get it fixed which left us with space heaters over the holidays. Seems crazy to me when we paid a very significant premium for sandium over other competitors truly believing they were the best. Once the temporary fix was in the technician realized that the bearing failed because the cabinet was deformed. That could only have happened in original transit. They ordered a new air handler which took 3+ months to arrive. Now I'm being told this can't be installed till June or July because they're too busy. Given the system is likely to fail when under load this means there's a pretty good chance I'll lose cooling during a heat wave before they can get the new unit in. I'm by no means excited to get this new unit in as it'll be very disruptive and require removing our existing closet built ins but it has to be done. This whole situation is incredibly unacceptable. To take 6-7 months to fix a brand new system is crazy to me. I've really tried to be patient on this and it pains me to leave this review but hopefully anyone who reads this can see how unacceptable this situation is. I'm not even going to get into the back and forth with Samsung and the supply company since I made the check out to sandium and so they should be responsible for the system. When you hire an hvac company, turn around time for fixing things matters. I totally get that things can go wrong but the response to things going wrong matters. Sandium is too busy with new work to bother with that. It's not like fixing this is a favor to me. It's getting my system into the condition it should have been in on day 1."

Daniel F on April 2021


Avatar for Carpenter Construction

Carpenter Construction

4.94(
36
)

Carpenter Construction

4.94(
36
)
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

With 49 years experience, Carpenter Construction has the knowledge and skills to assist you with your home improvement projects. We can help design the Deck or Arbor you've always dreamed of. Composite Decks and Redwood Arbors at competitive prices. We build anything from your basic Shade Arbor, Covered Patio, to Custom Designed Arbors. We can also help you with your Interior Remodeling projects from start to finish. Communication with our customers helps ensure that you get exactly what you envisioned and serving you with honesty and integrity it all adds up to a winning combination that guarantees great results. “By winning the trust and confidence of our customers we build lasting relationships.” Our reward comes from when our customers refer us to family and friends with full confidence that they will receive the same personal touch and quality service.

With 49 years experience, Carpenter Construction has the knowledge and skills to assist you with your home improvement projects. We can help design the Deck or Arbor you've always dreamed of. Composite Decks and Redwood Arbors at competitive prices. We build anything from your basic Shade Arbor, Covered Patio, to Custom Designed Arbors. We can also help you with your Interior Remodeling projects from start to finish. Communication with our customers helps ensure that you get exactly what you envisioned and serving you with honesty and integrity it all adds up to a winning combination that guarantees great results. “By winning the trust and confidence of our customers we build lasting relationships.” Our reward comes from when our customers refer us to family and friends with full confidence that they will receive the same personal touch and quality service.

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Insulation questions, answered by experts

Yes. Bathroom insulation requires a vapor barrier. As a matter of fact, bathrooms and kitchens are the two areas of the home that should always get a vapor barrier because of the excess moisture. If you don’t have a vapor barrier in place in these rooms, the moisture will build up and eventually lead to mold and bacteria, not to mention the destruction of the insulation.

Roof vents help cool a house because as they allow hot air to escape, the temperature regulates inside the attic. If vents are defective or there are not as many as there should be, the attic becomes hot and stuffy. Without roof vents, air conditioning has to work harder to maintain a consistent temperature in the attic.

While adding insulation can be beneficial, there is too much of a good thing. Too much insulation can seal your house to the point where it can't release moisture that enters it—essentially trapping water vapor inside. Warm, humid climates are extra susceptible to mold from moisture issues, but homes in colder climates can experience condensation from an air-tight home when freezing temperatures thaw.

Periodic checks for moisture or pest issues ensure consistent performance.

If the outside temperature drops below 20 degrees Fahrenheit, it will take around six hours for your pipes to freeze—and they might even burst. That’s why keeping your mobile home’s temperature around 50 to 60 degrees Fahrenheit is necessary, even if you’re leaving it vacant for the winter. In addition, having ample skirting around the mobile home's underbelly will help keep pipes insulated during the winter. 

The San Martin, CA homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.

What do you need done? We’ll find top pros.
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