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

Avatar for Insulation Commandos of Southern California
Insulation Commandos of Southern California
4.44(
348
)

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. "
463 neighbors recently requested a quote
Recommended by87%of homeowners
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Avatar for Attic Construction OC, Inc.
Attic Construction OC, Inc.
4.60(
74
)

Angi Approved

In business since 2013

Free estimates

Customers say: Quick response

"Amazing follow-up by by Darren Kretzer. I had Attic Construction treat my property last year. When I had a recurrence of issues (rodents) this year, I contacted Darren and he came out the same day and took the necessary time to identify and remediate the problem the same day. Excellent Service! I would not hesitate to refer them to all of my friends and family. There work exceeded all expectations."
70 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for Everguard Home Insulation Inc.
Everguard Home Insulation Inc.
4.92(
178
)

Angi Approved

In business since 1959

Free estimates

Emergency services offered

"We were very with the entire process! They took time to cover everything and the first and second team of workers were polite and careful in the work they performed. Aldi the clean up afterwards was excellent as well. We were super happy and would highly recommend them to anyone thinking of replacing there insulation!!"
8 neighbors recently requested a quote
Recommended by98%of homeowners
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Avatar for Insulation Labs
Insulation Labs
4.96(
459
)

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."
19 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for Insulation Nation, LLC
Insulation Nation, LLC
5.00(
1
)

Angi Approved

In business since 2023

Free estimates

Emergency services offered

"We had Insulation Nation (Dustin) come to our house to look at our attis insulation; our house was built in the late 70's and I had added more blown-in insulation many years ago. We decided on adding 8" of blown-in insulation to reduce our heating/cooling cost and to reduce the cycling of our HVAC system. They did a wonderful job of sealing any attic leaks, covers for our canned lighting fixtures, built a dam around our whole house fan, added baffles around our soffits, and added the insulation. Nicely done and a professional job. Would recommend using their service."
11 neighbors recently requested a quote
Recommended by100%of homeowners
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Lotus Builders
5.00(
4
)

In business since 2002

Free estimates

Warranties offered

Recommended by100%of homeowners
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FAQs for batt, rolled or reflective insulation install or upgrade projects in San Dimas, 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 Dimas, 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.

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