Top 10 Best Insulation
We list insulation contractors offering energy-efficient solutions like spray foam and attic insulation. Experts are selected for experience, material quality, and proven results.
Los Gatos Roofing
Faulstich Court, San Jose, California- Gutter addition
- Roofing
- Gutter replacement
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Roofing Service · Construction Company More Detail
USA Spray Me Spray Foam Insulation Contractor
Avenue H, San Francisco, California- Insulation installation
- Insulation removal
USA Spray Me offers a huge range of services for insulation and waterproofing. Using materials from leading suppliers and using proven technology we a More Detail
Atlas Insulation Los Angeles County
Leeward Avenue, Los Angeles, California- Blown-in insulation
- spray foam
- commercial insulation
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Atlas Insulation Los Angeles County change your mind with their uncontested insulation services! More Detail
Miramar SD Insulation Inc.
Silverton Avenue, San Diego, California- Attic Insulation
- Fiberglass Insulation
- Attic Insulation Removal
- See More
Get every insulation project on your list done with excellency and utmost safety through the help of Miramar SD Insulation services. More Detail
Select Home Improvements San Diego
Trade Street, San Diego, California- Tex.Cote / CoolWall
- Exterior Siding
- Eco-Friendly Construction
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We are here to help you with your home improvement needs. We love our work and we loving helping you More Detail
Insulation Commandos of Southern California
Erwin Street, Los Angeles, California- Walls Insulation
- Whole Home Insulation
- Indoor Air Quality Services
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Dedicated to excellence and your peace of mind. As the top-rated insulation company in the USA.Our services include: Blown in Cellulose & Fiberglass A More Detail
All Type Insulation Services, Inc.
Wright Place, San Diego, California- Concrete Block Insulation
- Batt and Roll Insulation
- Foam Board or Rigid Foam
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All TYPE INSULATION SERVICES is an experienced insulation company specializing in residential and commercial properties throughout Southern California More Detail
Gambit Insulation
Ventura Boulevard, Los Angeles, California- Fiberglass blown
- Crawl Space
- Insulation removal
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Gambit insulation is a family owned professional insulation company with more than 25 years of experience (since 1998) in the construction business. W More Detail
Carlos Insulation Inc.
Tartarian Court, San Jose, California- Attic/Roof Insulation
- Spray Foam
- HVAC
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Carlos Insulation has over 14 years of experience providing expert insulation, air-conditioning, and heating services to Brentwood, CA. We're committe More Detail
McHale's Environmental Insulation, Inc.
Solano Way, San Francisco, California- Fiberglass
- Insulation Removal
- Cotton Insulation
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Tom and Shelly McHale established the company in 1978 and pride themselves on delivering affordable, energy-efficient residential and commercial insul More Detail
Frequently Asked Questions
Insulation reduces heat loss in winter and heat gain in summer, making your home more energy-efficient and comfortable. It also lowers energy bills and improves indoor air quality.
It depends on the area:
- Fiberglass batts – Common for walls and attics.
- Spray foam – Provides airtight sealing for attics and basements.
- Blown-in insulation – Great for hard-to-reach areas.
- Rigid foam boards – Ideal for exterior walls and basements.
Most insulation lasts 20–100 years, but it may need replacement sooner if it gets damaged by moisture, pests, or settling.
Signs include uneven temperatures, high energy bills, drafts, and cold walls or floors. A professional energy audit can determine if your home needs more insulation.
Costs vary based on insulation type and home size, ranging from $1,500 to $5,000. The savings in reduced energy costs make it a great long-term investment.