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Find Batt, rolled or reflective insulation install or upgrade pros in Altadena

Avatar for Insulation Labs
Insulation Labs
5.0(
459
)

Serving Altadena, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"Contacted them for a 2nd project and never received the quote that was supposed to be emailed to me. Even after I contacted Jacky Chow, I still didn't receive the quote."
Fresh Insulation & New Ducts
Completed installation of solar panels
Roofing Projects
Spray foam insulation Projects
Old Insulation & Debris

+121

Response time11 hrs
Response rate89%
26 neighbors recently requested a quote
Avatar for Elite Thermal
Elite Thermal
5.0(
18
)

Serving Altadena, CA and surrounding areas

Angi Approved

In business since 2021

Free estimates

Warranties offered

"Professional, punctual, clean, efficient, knowledgeable, friendly, very competent! Great product and we are very happy with the results. Thank you, Chad, Jesus, and Jesus!"
Recent Remove & Replace for Attic Insulation
Insulation/Thermal Photos
Insulation/Thermal Photos
Insulation/Thermal Photos
Insulation/Thermal Photos

+10

Response time2 days
Response rate97%
3 neighbors recently requested a quote
Avatar for Marathon Insulation
Marathon Insulation
5.0(
16
)

Serving Altadena, CA and surrounding areas

Angi Approved

In business since 2022

Free estimates

Credit card accepted

"Thank you Angis List and most importantly Marathon insulation I have an old home that I purchased Jonathan (consultation) came out took pictures and let me it hadn’t insulated in years. The price was very reasonable and once it was done I could feel a big difference in my home. Definitely recommend these guys and here is document of their work ☺️"
Exterior wall drill fill
Newly constructed pool house ready for insulation
Exterior wall drill fill
Pool house insulated with brand new batt insulation
Exterior wall drill fill

+23

Response time6 hrs
10 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Insulation Commandos of Southern California
Insulation Commandos of Southern California
4.4(
348
)

Serving Altadena, CA and surrounding areas

Angi Approved

In business since 2018

Free estimates

Emergency services offered

"I vetted several companies for this project and Insulation Commandos was by far the most thorough and professional. The installers and workmanship were top notch and the price was reasonable. Could not be happier. "
before and aftert insulation install
insulation remocal service
about us
Wrapped trucks
434 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for ELM Insulation & Sound Solutions
ELM Insulation & Sound Solutions
5.0(
10
)

Serving Altadena, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Can’t say enough how professional there team did. Benjamin worked with us for what was required and price which was great. They were very clean while installing and couldn’t be happier "
Wall insulation
Insulation
Insulation
Insulation
Air Sealing

+29

Response time6 hrs
Response rate94%
8 neighbors recently requested a quote
Avatar for E&E Construction Inc. | Insulation & Attic Specialist
E&E Construction Inc. | Insulation & Attic Specialist
5.0(
8
)

Serving Altadena, CA and surrounding areas

Angi Approved

In business since 2022

Free estimates

Emergency services offered

"E&E Insulation have been my insulation company for the past 5 years. Every project I have used them for and they always do a perfect job. They handle the inspection. They know what materials needed. Spray foam, fiberglass, anything needed. They have taken care of me. I have been building for a long time. And when you do honest work, you want to work with other people that do honest work like these gentlemen."
Attic Cleaning
Attic Cleaning
Attic Cleaning
Attic Cleaning
Attic Cleaning

+6

4 neighbors recently requested a quote
Avatar for Universal Builder Co. (Insulation) Los Angeles
Universal Builder Co. (Insulation) Los Angeles
New to Angi

Serving Altadena, CA and surrounding areas

Angi 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!

FAQs for batt, rolled or reflective insulation install or upgrade projects in Altadena, 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 Altadena, 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.