Compare the highest-rated insulation professionals in Altadena, California. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, specialized contractor focusing primarily on attic services, including insulation, ventilation, and air sealing. They are known for their efficiency, clean work, and expertise in tackling the specific challenges of Southern California homes, such as heat gain and rodent-proofing. They are a go-to for energy efficiency upgrades.
This company takes a comprehensive, whole-home approach to energy efficiency. They are Building Performance Institute (BPI) certified and excel at conducting detailed energy audits to diagnose problems before proposing solutions. Their services are ideal for homeowners looking for a science-backed method to reduce utility bills and improve comfort.
As part of a national brand with a strong local franchise, Koala Insulation brings professionalism and a wide range of services. They emphasize using recycled and sustainable materials where possible and provide free estimates. Their expertise covers all areas of the home, from attics to crawl spaces, using various insulation types.
** The insulation market in Altadena is characterized by high demand driven by its housing stock, which consists largely of older homes (many built before modern energy codes) that are inefficient by today's standards. Homeowners are increasingly seeking upgrades to combat high summer cooling costs and improve year-round comfort. The competition is moderate, with a mix of specialized energy auditors/contractors and general insulation installers. The top-tier providers distinguish themselves through specialized certifications (BPI, ICC) and a focus on comprehensive air sealing alongside insulation. Typical pricing is on the higher end due to the Los Angeles area's cost of living and the specialized nature of the work. A basic attic blow-in insulation job can range from $1,500 to $4,000, while a full attic insulation removal and replacement with air sealing can cost $4,000 to $8,000 or more. Spray foam is a premium option, often starting at $2.50+ per board foot. Many homeowners in the area take advantage of rebates from programs like Energy Upgrade California and federal tax credits for energy efficiency, which the top providers are well-versed in navigating.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Altadena regulations and climate
Get answers to common questions about insulation services in Altadena, California.
For Altadena's hot, dry summers and mild but occasionally chilly winters, attic insulation is the most critical. Proper attic insulation (typically aiming for an R-Value of R-38 to R-60) acts as a thermal barrier against intense solar heat gain, which is the primary driver of cooling costs here. This also helps maintain comfort during our cooler nights and winter periods, making it the single most effective upgrade for local energy efficiency and comfort.
Yes, Altadena homeowners should primarily look to the LADWP (Los Angeles Department of Water and Power) Energy Savings Assistance Program and the California Energy Commission's TECH Clean California initiative, as Altadena is within LADWP's service area. These programs often provide significant rebates or even no-cost upgrades for income-qualified residents, and they prioritize solutions like attic insulation that directly address Southern California's cooling needs. Always verify your eligibility with the program providers directly.
The ideal time is during our mild fall (October-November) or spring (March-April). These periods typically offer comfortable temperatures for contractors to work effectively in your attic without the extreme heat of summer, which can be dangerous and reduce work quality. Scheduling during these shoulder seasons also ensures your home is optimized before the peak summer heat arrives, though professional installers work year-round.
Always choose a contractor licensed by the California Contractors State License Board (CSLB) with specific insulation classification. Verify their license status online and ask for proof of liability and workers' compensation insurance. For local relevance, seek out companies with extensive experience in Southern California homes, as they will understand specific challenges like historic properties, wildfire zone considerations for certain materials, and how to maximize efficiency for our climate.
Yes, this is a vital consideration for Altadena's many historic and mid-century homes. Insulation, pipe wrap, or vermiculite in homes built before the 1980s may contain asbestos. A reputable contractor will conduct an assessment and, if needed, a professional asbestos survey before disturbing any existing materials. They must follow strict California OSHA and South Coast Air Quality Management District (AQMD) regulations for safe handling, abatement, and disposal to protect your household.