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Find Batt, rolled or reflective insulation install or upgrade pros in San Diego

Avatar for Attic Shield
Attic Shield
4.9(
19
)

Serving San Diego, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Small jobs welcome

"I was impressed I was with the work completed by Attic Shield. From start to finish, the experience was smooth and professional. Even though the company is relatively new, they clearly know their stuff. Justin led the crew and was incredibly courteous, communicative, and knowledgeable throughout the process. They walked me through each step, kept me updated, and made the whole thing stress-free. I appreciated receiving clear before-and-after photos, which gave me full confidence in the quality of their work. Everything was done efficiently and with great attention to detail. This team may be new, but they operate like seasoned pros. They?re organized, take pride in what they do, and they do great work."
Batts Insulation
Final Install
Final Installation
Air Sealing
Cleaning

+17

Response time8 hrs
Response rate89%
4 neighbors recently requested a quote
Attic Advisor
4.9(
14
)

Serving San Diego, CA and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Rafael and the Attic Advisor team were great! Rafael came out to do the free inspection and give us a quote. He was on time, friendly and very knowledgeable about the issues in our attic and what could be done to resolve them. The assessment and estimate were very in-depth, and the price was very reasonable and fair (compared to quotes I got from other companies for the same work). Even before committing to the project, Rafael was very responsive and would take time answer any question I had about the project. The project in my attic called for removing the old insulation, sanitizing, sealing to keep critters and rodents out, replacing old air ducts and installing new insulation. On the day of the project, the Attic Advisor crew was on time, hard working and extremely professional. They were very efficient and thorough, with even the smallest parts of the job, and if I had any questions during the process, they were very polite and happy to answer. I appreciated Attic Advisor’s thorough and complete work. I would highly recommend."
Insulation clean up
Insulation clean up
Response time1 day
Response rate87%
23 neighbors recently requested a quote
Avatar for Ecotech Pro Inc
Ecotech Pro Inc
5.0(
17
)

Serving San Diego, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Yes. Billy said everyone was great on install date. Omar was helpful and communicated effectively. Team worked well together and were efficient. Team was respectful of our property and cleaned up after work done. All of the team members being available was excellent to get install in one day. We hopefully will enjoy the benefits of the insulation and all went as anticipated with install. Very glad we had it done. Leo was excellent with pre install quote and arranging for install. We got a few quotes . We paid highest quote to have the work done quickly which met our needs. Thank you for the excellent service"
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
New Attic blow-in insulation.
Heating and Air Conditioning Project

+55

Response time1 day
31 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Attic Professional
Attic Professional
5.0(
8
)

Serving San Diego, CA and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

"Offered exactly what I needed. Didnâ t try to upsell items I didnâ t need or want. Extremely fair rate. Iâ ll recommend them to everyone I know with a need."
Response time1 day
12 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for California Attic & Build Corp.
California Attic & Build Corp.
5.0(
13
)

Serving San Diego, CA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"California Attic & Build was fantastic! The team was professional on time and left everything spotless. They explained the process clearly and showed before and after photos. My home already feels more comfortable. Highly recommended for insulation, cleanup, and rodent proofing!"
My jobs
My jobs
My jobs
My jobs
Response time1 day
Response rate94%
106 neighbors recently requested a quote
Avatar for Guardian Insulation, Inc.
Guardian Insulation, Inc.
4.7(
63
)

Serving San Diego, CA and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"They removed blown in insulation cleaned up rat feces sanitized attic then reinstalled insulation. They arrived on time did an excellent job and cleaned up."
Blown Cellulose
Installing Cellulsoe Insulation
Air Sealing Attic Penetrations
Exterior Wall Insulation
Exterior Wall Insulation Patching

+1

Response time1 day
Response rate93%
Recommended by96%of homeowners
Avatar for Attic Construction, Inc.
Attic Construction, Inc.
4.3(
82
)

Serving San Diego, CA and surrounding areas

In business since 2013

Free estimates

Credit card accepted

"Tyler asked questions and listened to our answers to help us choose the insulation options that made sense for our home. The 3 workers prepared the area to protect our floors and doorways from any damage before they started work. Everyone was professional. Even though they put in a long day everything was cleaned up thoroughly before they left."
Before, Middle, After
Before
Removing Debris and Batt Insulation
During Vacuuming
During Vacuuming

+9

Response time4 hrs
Response rate85%
Recommended by90%of homeowners
Avatar for Phoenix Insulation Inc.
Phoenix Insulation Inc.
5.0(
4
)

Serving San Diego, CA and surrounding areas

In business since 2012

Free estimates

Emergency services offered

"Hired this company for a spray foam project. They were super affordable and best of all super knowledgeable in the spray foam industry I was over the fence about applying polyurethane foam to my house because of all the bad stories you read online. Thanks to these guys we were able to make a wide selection on materials. Pictures attached . Spray foam Thank you Phoenix insulation"
Response time1 day
Response rate88%
2 neighbors recently requested a quote
Avatar for Mega Power Electric, Inc
Mega Power Electric, Inc
5.0(
191
)

Serving San Diego, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Excellent Service from planning through Execution and installation to final fine tuning. The folks communicated well and explained every detail of the step. Got permit and inspection done. It was seamless. Thanks. R."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+32

Recommended by100%of homeowners
Showing 1-10 of 37
FAQs for batt, rolled or reflective insulation install or upgrade projects in San Diego, CA

Batt insulation excels in vertical installations because it remains firmly in place and delivers consistent thermal performance. Blown-in insulation performs exceptionally in spaces such as attics, efficiently filling gaps in irregular areas. 

Employing both insulation types according to their strengths enhances your home’s overall energy efficiency and comfort by providing a tailored solution for every space.

Start by measuring the square footage of the space, then match that area with the insulation thickness you need to hit your target R-value. Add a buffer for waste and odd-shaped spots so every cavity is covered. 

Once you have a rough count, run it past a local insulation pro—their on-site advice will fine-tune the numbers and help you avoid costly miscalculations.

Old insulation that is dry, intact, and mold-free does not require removal before adding new insulation; stacking new insulation over it maintains effective thermal performance and boosts energy efficiency. 

If the insulation is damp, moldy, or deteriorated, removal is necessary to eliminate health risks and ensure maximum effectiveness of the new layer. A professional insulation contractor will assess your situation and recommend the most effective solution.

Installing insulation in an average-sized home using batts or boards requires five to 12 hours. Using spray foam or blown-in insulation requires two to five hours. These timeframes are determined by the area’s size, accessibility, and whether old insulation must be removed. 

Complex projects and hard-to-reach spaces demand extra time. Hiring an experienced insulation professional ensures that the installation is completed efficiently and correctly.

Insulation is measured by R-value, which defines how effectively it resists heat flow. A higher R-value provides superior thermal resistance, ensuring your home remains warm in winter and cool in summer. 

Choosing the correct R-value is essential for maximizing energy efficiency and comfort, and it directly impacts long-term utility savings. Professional guidance determines the optimal R-value for your specific climate.

The San Diego, CA homeowners’ guide to batt, rolled or reflective insulation installs or upgrades

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