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Top-Rated Blown in insulation install or upgrade pros in Redwood-estates - Updated Nov 2026

Avatar for Vortex Insulation, Inc.
Vortex Insulation, Inc.
4.8(
31
)
Blown-In Insulation - Install or Upgrade

Serving Redwood-estates, CA and surrounding areas

Approved

In business since 2017

Free estimates

Offers commercial services

"Working with Vortex was a great experience. The crew was totally professional and very experienced and did an excellent job spraying closed cell insulation in the new addition to our house. When they were done the job site was left totally spotless. Their prices are very reasonable/competitive. We are very pleased with the work they did and how easy it was to work with them. We will certainly use them again in the future."
Blow in cellulose insulation into the garage walls
Spray foam insulation into the garage ceiling.
Old blow-in fiberglass insulation removal in the a
Response time1 day
76 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Nor-Cal Insulation, Inc.
Nor-Cal Insulation, Inc.
4.5(
15
)
Blown-In Insulation - Install or Upgrade

Serving Redwood-estates, CA and surrounding areas

Approved

In business since 2009

Free estimates

Small jobs welcome

"Needed to insulate my house before closing escrow, called for a quote on a Monday and they were insulating the very next day. The owner Luis Knows his stuff, very knowledgeable. Would recommend. 👍🏼👍🏼"
Insulation / Spray Foam
Mineral Wool Insulation
Attic Fiberglass Batts
Subfloor Fiberglass Batts W/ Netting
Open Cell Spray Foam / Fiberglass Batts

+5

Response time1 day
Response rate93%
17 neighbors recently requested a quote
Avatar for AtticElite Insulation Solutions
AtticElite Insulation Solutions
4.6(
27
)
Blown-In Insulation - Install or Upgrade

Serving Redwood-estates, CA and surrounding areas

Approved

In business since 1999

Free estimates

Warranties offered

"I obtained 3 bids via Home Advisor and 3 different companies showed up to quote it. As price went, Attic Elite was the middle of 3 bids, but I was the most impressed with the professionalism of the Attic Elite rep of the 3 who showed up. And Attic Elite provided the written bid electronically within a few minutes of leaving my home. I waited almost a week from another vendor and 2 days for the other one. Neither of the other 2 offered vacuuming, disinfecting, and deodorizing of my attic space. Neither of the others offered patching of holes for rodent infestation. I feel I got way more value from Attic Elite as compared with either the higher or lower other bids. As far as the work went, it was better than expected. They did insulation batts in the lower crawl space. Insulation batts in the ceiling and blown in to all of our (mostly stucco) exterior walls. After those hole patches in the stucco were done by Attic Elite, it was hardly noticeable other than needing paint. Here's what was beyond what I expected. My attic was full of 50+ boxes of stored items. I didn't need to remove them. They took care of it and neatly stacked them in my garage! Theyfoam sealed everywhere that vertical sheetrock met horizontal and anywhere there were gaps of any kind. That's something I wouldn't have thought of. They replaced damaged vent screens that had holes and foam sealed around them. They cleaned up after themselves like they were never there. From initial quote visit to when they were done, they were polite, professional, clean and thorough. No high pressure sale. They were done in less than 2 days. They had a standard price list and it was what it was, and they showed pictures of how they do what they do at the time they quote it. And provided pictures of every area as they completed each portion. As to what I had done, I'm really happy with it. Sure I didn't like spending the money, but my heater was running constantly before in the winter and the ac running all summer. We could always feel a breeze in the house if it was the least bit cold outside. Our hvac was always running resulting in high gas and electric bills. By the end of day 1, the ceiling and crawl space insulation was in and we already felt a huge difference and the heater wasn't running nearly as much. After the blown in walls were done on day 2, our heater was almost never running. Mind you, it was done in February and really cold outside. Since the install, we're leaving the heater mostly in the off position. What a huge difference. I'm not one to write reviews. But I wanted to take the time to write this one. I've already recommended Attic Elite to my neighbor and won't hesitate to recommend them in the future. Outstanding job. Worth the money. Highly professional. You can't ask for more than that."
Get $500 Off Rodent Proofing
Get $500 off crawl space cleanup.
Get $500 off rodent proofing.
Spray Foam Insulation
Before Attic Clean Up

+77

Response time2 days
10 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for Insulation Alliance
Insulation Alliance
5.0(
2
)
Blown-In Insulation - Install or Upgrade

Serving Redwood-estates, CA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"When Insulation Alliance came, they were very professional. They laid down plastic everywhere in the hallway and the bedroom. They cleaned out the whole attic. They took out the old insulation and put in the new Insulation which was R 44. They cleaned up everything and everything was clean when they left. They also sanitized the attic. You will not be disappointed that you hired."
Attic Cleaning
Attic, Crawl Space and Basement Decontamination
ATTIC, WALL, CRAWL SPACE INSULATION
THERMAL INSPECTION
REMOVING INSULATION

+86

12 neighbors recently requested a quote
Recommended by50%of homeowners
Bay Valley Insulation Inc
4.7(
46
)
Blown-In Insulation - Install or Upgrade

Serving Redwood-estates, CA and surrounding areas

In business since 1988

Free estimates

Warranties offered

"We needed retrofit wall insulation and after checking around all the listings through AngiesList, Yelp, and others, we found that only Bay Valley and SDI does retrofit wall insulation work. We went with Bay Valley because the price was reasonable and they responded quickly and promptly (can't say this about SDI*). Joel was our estimator and he came out promptly at the time and date indicated. He was thorough and thoughtful on how he approached the job, not overselling or recommending things we didn't need. We live in an older house and he appreciated the home and looked for the most non-invasive method to take care of our un-insulated exterior walls. Bay Valley's approach is to come in from the exterior walls with the typical 2-hole process (high/low) to blow in the cellulose insulation. They sent two guys in and despite a couple snags in the job, they finished the job in one full day. Afterwards, they plugged the holes, textured and primed, and the next day came in to paint (our-supplied) paint. I was really amazed how well and seamless it all looked afterwards. They did a good job cleaning and even moved the cabinets in the garage back where they originally were. The real result? The mornings have been a little bit warmer than last week, but so far the heater has barely turned on over the past couple days. The house already feels warmed and less temperature fluctuations. We already got brand-new attic insulation last Fall, but the wall insulation really did the trick. A definite recommend to anyone who needs a good team to do insulation in their home. * dealing with SDI was a nightmare, unfortunately. With *several* calls about being in the ER, then lots of other excuses, it just didn't seem like they wanted to do the job or something. I originally made the request in August and this morning on Nov 10, I got a phone call inquiring if we still needed insulation done. sigh."
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1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Attic Masters insulation Services
Attic Masters insulation Services
4.8(
111
)
Blown-In Insulation - Install or Upgrade

Serving Redwood-estates, 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."
HVAC Duct Replacement
Insulation Installation & Attic Cleaning
Air Sealing & Rodent Proofing
New Construction
Vapor Barrier Install

+204

Recommended by94%of homeowners
Avatar for Attic Masters
Attic Masters
4.7(
33
)
Blown-In Insulation - Install or Upgrade

Serving Redwood-estates, CA and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Ron and the crew that came worked very hard installing the radiant barrier. They were polite professional and at the end of the day they cleaned up any debris that fell from the attic. My husband and I were very satisfied with all aspects of the job done by Attic Masters. Thankyou so much!"
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+7

Recommended by95%of homeowners
Avatar for Tri County Insulation
Tri County Insulation
4.6(
19
)
Blown-In Insulation - Install or Upgrade

Serving Redwood-estates, 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."
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+4

Recommended by94%of homeowners
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