Compare the highest-rated insulation professionals in Mountain View, California. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, specialist contractor focusing primarily on attic services, including insulation, air sealing, and ventilation. They are well-known for their meticulous clean-up process and expertise in creating energy-efficient attic spaces, which is critical for Bay Area homes. They often handle projects related to PG&E rebate programs.
Eco House specializes in comprehensive home performance and energy efficiency upgrades. They take a whole-house approach, often starting with an energy audit to identify the most cost-effective improvements, which include insulation, air sealing, and HVAC duct sealing. Their methodology is data-driven and aligns well with local rebate programs.
A dedicated insulation contractor offering a wide range of services for both residential and commercial properties. They are known for their work with various insulation materials, including fiberglass batts, blown-in cellulose, and spray foam. They have strong experience in wall insulation for both new construction and retrofit projects.
** The insulation market in Mountain View and the greater South Bay Area is characterized by high-quality, technically proficient contractors. The competition is strong, but it is a market dominated by established players rather than a high volume of new entrants. The driving factors are the region's high electricity costs, environmental consciousness, and older housing stock that requires upgrades to meet modern comfort and efficiency standards. * **Average Quality:** The quality is generally very high, with leading contractors employing BPI (Building Performance Institute) certified analysts and adhering to strict installation standards to qualify for energy rebates from providers like PG&E and BayREN. * **Competition Level:** Moderate to High. While there are many contractors, the top tier is a smaller group of companies that have built their reputation on technical expertise and reliability. * **Typical Pricing:** Pricing is at a premium compared to national averages, reflecting the high cost of living and business operations in the Bay Area. A typical attic insulation project with air sealing can range from $3,500 to $8,000+, depending on the scope, square footage, and materials used (e.g., spray foam being significantly more expensive than blown cellulose). Homeowners should expect detailed quotes that break down labor, materials, and potential rebate calculations.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Mountain View regulations and climate
Get answers to common questions about insulation services in Mountain View, California.
Mountain View's mild Mediterranean climate means your primary goals are keeping cool air in during our warm, dry summers and retaining heat during our cool, damp winters. Optimal insulation focuses heavily on attic spaces to prevent radiant heat gain in summer, and ensuring proper wall and floor insulation to combat winter chill. Given our low humidity, vapor barriers are less critical than in other regions, but proper air sealing is essential to prevent drafts and improve overall efficiency year-round.
Costs in Mountain View are influenced by Bay Area labor rates and material choices, typically ranging from $1,500 to $4,500 for a standard attic project. Whole-house retrofits (walls, attic, floors) can range from $8,000 to $15,000+, depending on home size, access difficulty, and insulation material (e.g., blown-in cellulose, fiberglass batts, or spray foam). It's crucial to get itemized quotes from local providers, as prices can vary significantly. Remember, California and local utility rebates (like from Peninsula Clean Energy) can substantially offset these costs.
Yes, insulation work in Mountain View often requires a building permit from the City's Community Development Department, especially when it's part of a larger renovation or involves altering the building envelope. Contractors must also comply with California's strict Title 24 energy codes, which set minimum insulation R-value requirements for your climate zone (Zone 3). A reputable local installer will handle this permitting process and ensure all materials meet state fire safety and air quality standards.
The ideal time is during our dry season, typically from late spring through early fall (May to October). This allows for optimal conditions for attic work, which can be uncomfortably hot for workers in peak summer and prone to moisture issues in winter. Scheduling during these drier months also ensures your home is fully prepared before the cooler, wetter winter sets in. However, professional contractors work year-round, so don't delay essential upgrades.
Always verify the contractor is licensed (California CSLB), insured, and has specific experience with Bay Area homes, including older properties common in Mountain View. Look for companies certified by manufacturers (like Owens Corning) or programs like BPI (Building Performance Institute). Get at least three detailed, written quotes, check reviews on local platforms like Nextdoor, and ask for references from recent projects. A trustworthy contractor will also perform a pre-installation energy assessment and clearly explain available rebates from Peninsula Clean Energy or PG&E.