Top-rated insulation pros.

Get matched with top insulation pros in Glen Ellen, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Insulation pros in Glen Ellen

Avatar for Redwood Insulation
Redwood Insulation
4.9(
16
)

Serving Glen Ellen, CA and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"Matt was very good about keeping all appointments and very friendly. His work on the insulation was nice and neat and very effective. Good adhesion in all surfaces, and he even made a special trip back on our small job to finish insulating several windows. Matt gave the best service and best product of all the contractors I’ve had to hire in the last year. We may ask him to come back and insulate the rest of the garage!"
Response time2 days
11 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Eagle Shield
Eagle Shield
4.3(
18
)

Serving Glen Ellen, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"I love this company! Garrett came to my home and assessed how efficient our current insulation, etc was. He was very informative and friendly — explained what we needed and how they could help. At the time, I decided to hold off and he never pushed the sale. When I was ready, he was quick to accommodate my schedule. His team: Angel, Luis, Tommy and TJ were great! They arrived early, were professional, courteous, kind, very helpful with my questions and were above and beyond to help fix things that I wasn’t even aware of. They also were more than happy to help with small problems that I had no idea how to fix. They worked quickly and cleaned up afterwards. You could tell they cared about their work which makes me feel confident that the job was done right. They were also fun to have around — my Great Dane loved them too! Garrett and Dave checked in with me during and afterwards to make sure things were going well and if I had any questions. I highly recommend Eagle Shield."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

Response time7 hrs
9 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Attic Pros
Attic Pros
4.9(
233
)

Serving Glen Ellen, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Small jobs welcome

"Melesio and his team did an excellent job removing old insulation/cleaning, rodent proofing/sealing, and installing new insulation all in one day."
Blow-In Attic Insulation
San Jose, CA Attic Insulation Installation
Danville, CA Vapor Barrier Installation
Mill Valley, CA Crawlspace Cleaning
Benicia, CA Attic Cleaning & Insulation

+3137

Response time12 hrs
Response rate94%
150 neighbors recently requested a quote
Avatar for Coast Building Products
Coast Building Products
4.5(
14
)

Serving Glen Ellen, CA and surrounding areas

Approved (Corporate)

In business since 1950

Free estimates

Credit card accepted

"Cruz helped us understand our options and visited twice to finalize the scope of work. Insulation team was punctual and provided expert craftsmanship. Glad I chose Coast."
Spary foam rooof line
Batt installatoin
Applying Spray Fiam
Response time8 hrs
Response rate100%
29 neighbors recently requested a quote
Avatar for Tri County Insulation
Tri County Insulation
4.6(
19
)
Insulation - Install or Upgrade

Serving Glen Ellen, CA and surrounding areas

In business since 1974

Credit card accepted

"The sales rep, Bryan, went above and beyond to answer all my zillion questions and concerns. He was responsive, knowledgeable and shared his expertise in not only insulation, but all in LED canned lights and dimmers. He was amazing and I would only ask for him again. I plan to refer others to him also in the near future. The installers were good too, letting me climb the ladder and look at the work, cleaning out the old insulation and advising me they found no termites or rodent droppings. I wish they would have vacuumed the bedroom where they brought in a lot of dirt on the carpet, and also used the shop vac in the garage afterwards, as I had to clean up afterwards, which took me an extra hour. However, overall, I was pleased."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Recommended by94%of homeowners
Avatar for Apperson Energy Management
Apperson Energy Management
4.7(
56
)

Serving Glen Ellen, CA and surrounding areas

In business since 1983

Free estimates

Warranties offered

"Sergio the estimator arrived on time was exceptionally thorough. I was only looking for attic insulation, but Sergio asked if I had insulation in my walls. I assumed I did, he checked I did not, as I have an older home. Jon was wonderful answering my questions and calls. Luis and Jose arrived on time they did a fabulous job insulating my attic and walls and were very neat and clean I needed some help clearing some shelves in the garage for wall insulation and Jon sent his son Connor help me. I highly recommend them"
Recommended by100%of homeowners
Avatar for Attic Masters
Attic Masters
4.7(
33
)
Insulation - Install or Upgrade

Serving Glen Ellen, CA and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"We had an infestation problem at the attic that required us to replace the insulation. Marcus from Attic Masters came over to check and to try and save anything from the insulation. According to him, it was worth it to just replace the whole attic insulation and to solve this problem once and for all. Marcus did his best to give us the best price he could and we decided to go ahead and do it.
Marcus worked at our house for 2 days in which he removed all the old one on the first day and the following day he placed the new insulation and the problem was over. The work that he did was professional and clean. All the old insulation was removed in bags and there was no dust or dirt in the house. 


"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+7

Recommended by95%of homeowners
Avatar for C E L Insulation
C E L Insulation
4.0(
25
)

Serving Glen Ellen, CA and surrounding areas

In business since 2011

Free estimates

Offers commercial services

"We are so pleased with the work done by Cesar and his team. The work proceeded quickly and with great attention to detail. Everyone was professional and provided answers to all our questions. Cesar was hands-on. You could tell they enjoyed their work. And the price quote was more than satisfactory for our complex project. We recommend CEL Insulation for any project of this kind."
Response time2 days
Response rate86%
Recommended by80%of homeowners
Showing 1-10 of 34

FAQs for insulation service projects in Glen Ellen, CA

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The Glen Ellen, CA homeowners’ guide to insulation services

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

  • carpenter repairing the roof of a house

    Use this guide to budget for roof repair costs based on factors such as roof condition, materials, size, repair type and severity, and more.

  • fascia and soffits being replaced on roof of house

    Need fascia and soffit repairs? Hiring a pro ensures proper installation, protects against pests, and prevents structural damage. Learn about common warning signs, material options, and how fascia and soffits safeguard your home from moisture.

  • new roof installed on house
    •

    Our comprehensive cost guide will help you explore the costs associated with roof replacement, including roof pitch, shape, design, square footage, and more.

  • Two hvac systems

    Learn who to call for HVAC inspection. Discover which pro to hire, what to expect from an HVAC inspection, and average costs for your home.