The Best Insulation Contractors in Clearlake, CA

Compare the highest-rated insulation professionals in Clearlake, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Nor-Cal Insulation

4.8
(150 reviews)
Verified

A leading regional insulation contractor serving the North Coast and Northern California, including Lake County. They are known for their comprehensive service range, from energy audits to advanced spray foam installations, and have a strong reputation for professionalism and quality workmanship.

925 S State St, Ukiah, CA 95482 (Primary location serving the region, including Clearlake)

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Energy Guard Solutions

4.7
(90 reviews)
Verified

A specialized contractor focused on improving home energy efficiency through advanced insulation and air sealing techniques. They are particularly noted for their work in attic insulation upgrades and crawl space encapsulation, helping homeowners in Clearlake reduce energy costs.

4550 Hwy 116 S, Sebastopol, CA 95472 (Serves the broader North Bay and Clear Lake area)

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Crawl space insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Attic Masters Insulation

4.6
(200 reviews)
Verified

A well-established company with a strong presence in Northern California, known for its expertise in attic services and insulation removal/replacement. They handle a wide variety of insulation materials and are proficient in navigating local building codes and potential rebate programs.

3095 Beyer Blvd, San Diego, CA 92154 (Primary office, with service teams covering Northern California, including Clearlake)

Specialties & Features

Insulation removal and replacement
Attic insulation
Wall insulation services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Clearlake

The insulation market in Clearlake, CA, is characterized by a high demand for energy efficiency upgrades due to the area's climate, which features hot, dry summers and cool, wet winters. Many homes in the region are older and were built with minimal or outdated insulation, creating a significant need for retrofits and upgrades. While there are a few local handymen or general contractors, the market for specialized, high-quality insulation services is primarily served by established regional companies from nearby hubs like Ukiah, Santa Rosa, and Sebastopol. These providers bring professional expertise, proper licensing, and knowledge of specific programs like those from Pacific Gas and Electric (PG&E) that may offer rebates. Competition is moderate, with the top-tier providers being highly sought after. Typical pricing is competitive with state averages, with projects like attic insulation ranging from $1,500 to $4,000, depending on the square footage and material (e.g., fiberglass batts vs. blown-in cellulose vs. spray foam). Homeowners are advised to get multiple quotes and verify contractor licenses with the CSLB before proceeding.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Clearlake regulations and climate

Frequently Asked Questions About Insulation in Clearlake

Get answers to common questions about insulation services in Clearlake, California.

1What are the most important insulation considerations for Clearlake's climate?

Clearlake experiences hot, dry summers and cool, wet winters, making year-round comfort a priority. The key is installing insulation with a high R-value (the measure of thermal resistance), particularly in attics, to keep summer heat out and winter warmth in. Given the wildfire risk in Lake County, it's also wise to discuss fire-resistant insulation materials, like mineral wool, with your contractor for added safety.

2How much does insulation installation typically cost for a home in Clearlake?

Costs vary based on home size, material (fiberglass batts, blown-in cellulose, or spray foam), and the areas being insulated (attic, walls, crawlspace). For a typical Clearlake home, attic insulation can range from $1,500 to $4,500. It's crucial to get multiple itemized quotes, and remember, California and utility providers (like PG&E) often offer rebates and incentives for insulation upgrades that can significantly offset your final cost.

3When is the best time of year to install insulation in Clearlake?

The ideal times are during Clearlake's mild spring (April-May) and fall (September-October). Scheduling during these shoulder seasons avoids the extreme summer heat, which can make attic work unbearable for crews, and the winter rains, which can delay projects. Planning ahead for these periods also ensures better contractor availability.

4How do I choose a reliable insulation contractor in the Clearlake area?

Always verify the contractor holds an active California Contractors State License Board (CSLB) license, specifically in the insulation classification. For local reliability, ask for references from recent jobs in Lake County and ensure they are familiar with Title 24, California's strict energy code requirements. A reputable provider will also conduct a thorough energy assessment before giving a quote.

5My older Clearlake home gets very dusty; could my insulation be a problem?

Yes, in older homes, deteriorating insulation like old, settled fiberglass or vermiculite (which may contain asbestos) can contribute to indoor air quality issues and poor thermal performance. A professional assessment can identify if your insulation has degraded, become damp from winter rains, or poses a health hazard, and recommend safe removal and replacement with modern, effective materials.