Compare the highest-rated insulation professionals in Hawthorne, California. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly specialized contractor focusing primarily on attic services, including insulation, ventilation, and air sealing. They are well-regarded for their thorough energy efficiency approach and knowledge of local rebate programs.
This company takes a diagnostic, whole-home approach to insulation and energy efficiency. They are known for their detailed energy audits and expertise in both spray foam and blown-in insulation solutions.
Part of a national brand with a strong local franchise, Koala offers a wide range of insulation services using various materials. They are recognized for their professionalism, clear communication, and expertise in insulating challenging spaces like crawl spaces and basements.
The insulation market in Hawthorne, and the broader South Bay area, is competitive and of generally high quality. The housing stock includes a mix of older homes (built pre-1980) that often require significant insulation upgrades and newer constructions seeking high-performance materials. This drives demand for comprehensive services like air sealing and energy audits alongside standard installation. **Average Quality:** The top-tier contractors are highly professional, often holding Building Performance Institute (BPI) certifications and being familiar with programs like Energy Upgrade California. **Competition Level:** High. Homeowners have a solid selection of local specialists and regional franchises to choose from, which helps maintain strong service standards and competitive pricing. **Typical Pricing:** Costs are in line with the greater Los Angeles area. As a rough guide: * **Blown-in Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (roof):** $4,500 - $12,000+ * **Wall Insulation:** $2,000 - $6,000 * **Energy Audit:** $300 - $600 Pricing is highly dependent on home size, existing conditions, insulation material (R-value), and the complexity of the job. Many providers offer free estimates, and several can assist homeowners in accessing rebates from local utility companies.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Hawthorne regulations and climate
Get answers to common questions about insulation services in Hawthorne, California.
For a standard 1,500 sq. ft. home in Hawthorne, attic insulation costs typically range from $1,500 to $3,500, depending on the material (like blown-in cellulose or fiberglass) and the required R-Value. Homeowners should check for rebates from the LADWP (Los Angeles Department of Water and Power) and statewide programs like Energy Upgrade California, which can significantly offset costs for upgrading to energy-efficient insulation that meets Title 24 requirements.
The ideal time is during our mild, dry seasons—late spring (May-June) or early fall (September-October). This avoids the summer heat, which can make attic work extremely uncomfortable, and the occasional winter rains. Scheduling during these periods is easier and ensures your home is properly sealed before peak cooling or heating seasons, maximizing comfort and energy savings year-round.
Yes, Hawthorne's mild but variable coastal climate requires effective insulation for both summer cooling and occasional cooler nights. For attics, the California Title 24 energy code recommends an R-Value of R-38 to R-49. Blown-in cellulose is a popular, effective choice as it provides good thermal performance and sound dampening, which is beneficial given the proximity to LAX and local urban noise.
Always verify the contractor is licensed (check their CSLB license number), insured, and has specific experience with Hawthorne and South Bay homes, which often have unique attic spaces and construction. Look for contractors who perform a thorough energy audit and are knowledgeable about local building codes and LADWP rebate paperwork. Reading verified local reviews on platforms like Nextdoor or Yelp can also provide valuable insights.
While insulation is crucial, draftiness in Hawthorne homes is often due to air leaks around windows, doors, and ductwork—common in older homes. A comprehensive approach should include air sealing (like caulking and weatherstripping) alongside insulation. Given our sea breeze, proper air sealing is essential to prevent cool, moist air infiltration, which can undermine insulation performance and lead to moisture issues.