Compare the highest-rated insulation professionals in Los Angeles, California. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated specialist focusing primarily on attic services, including insulation, cleaning, and rodent proofing. They are known for their thorough energy efficiency solutions, including air sealing and insulation upgrades, and have a strong reputation for professionalism and quality workmanship.
Specializes in creating energy-efficient homes through advanced insulation solutions and comprehensive energy audits. They are experts in leveraging local and federal rebates and are certified for a wide range of insulation types, including spray foam and blown-in cellulose.
Part of a national brand with a strong local franchise, Koala offers a wide array of insulation services for residential and commercial properties. They emphasize education, providing free evaluations, and using recycled and eco-friendly materials where possible. Their services are comprehensive, covering from attics to crawl spaces.
** The insulation market in Los Angeles is highly competitive and service-oriented, driven by the region's focus on energy efficiency, wildfire smoke mitigation, and compliance with California's strict Title 24 energy codes. The average quality of service providers is high, with a clear distinction between general handymen and specialized, certified insulation contractors. Reputable companies typically hold relevant certifications (like BPI) and are well-versed in accessing rebates from programs like Energy Upgrade California and LADWP. Competition is fierce, leading to robust online review profiles and significant investment in customer service. Pricing varies significantly based on the project scope and material. For a standard attic insulation job using blown-in cellulose, homeowners can expect to pay between **$1,500 and $4,000**. Spray foam insulation is a premium option, with costs ranging from **$3,500 to $7,500+** for an average attic, due to its superior air-sealing properties and higher material and labor costs. Most top-tier companies offer free, detailed estimates and energy audits to accurately assess needs and potential savings.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Los Angeles regulations and climate
Get answers to common questions about insulation services in Los Angeles, California.
For a standard 1,500 sq ft attic in LA, adding or upgrading insulation typically costs between $1,500 and $3,500, depending on material (like blown-in cellulose or fiberglass batts) and existing conditions. California and local utility companies, like LADWP, often offer significant rebates and incentives for insulation upgrades that improve energy efficiency. It's crucial to get a detailed, written estimate and ask your contractor about available rebates to lower your final cost.
For our hot-dry climate, radiant barrier insulation is highly effective for attics, as it reflects radiant heat from the sun, significantly reducing cooling costs. For wall cavities and other areas, dense-pack cellulose or spray foam provides excellent thermal resistance and air sealing. A professional assessment is key, as the "best" type often involves a combination of materials tailored to your home's specific construction and sun exposure.
While insulation can be installed year-round, the ideal times are during our milder spring (March-May) and fall (September-November) seasons. This avoids the intense summer heat in the attic, which can be dangerous for workers, and the potential for winter rain delays. Scheduling during these off-peak periods can also lead to better contractor availability and potentially faster project completion.
Yes, Los Angeles follows the California Title 24 Building Energy Efficiency Standards, which set strict requirements for insulation R-values (the measure of thermal resistance) based on your home's zone. Furthermore, if your home was built before 1980, you must have any existing vermiculite insulation tested for asbestos, and all insulation work must comply with LA City or County building permit requirements, which a reputable contractor will handle.
Always verify the contractor holds a valid California CSLB license (specifically for insulation or a general B license) and carries both liability and workers' compensation insurance. Ask for local references in similar neighborhoods and check reviews on platforms like the BBB or Yelp. A trustworthy provider will offer a thorough energy audit or inspection, explain your options clearly, and provide a detailed written contract outlining materials, R-values, costs, and timelines.