The Best Insulation Contractors in Kelseyville, CA

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

#1

Air Solutions Heating & Air Conditioning

4.8
(150 reviews)
Verified

A highly reputable, locally-owned and operated HVAC and insulation company based in nearby Lakeport. While their core business is HVAC, they have a dedicated insulation division that specializes in comprehensive home performance upgrades. They are well-known for their professionalism, expertise in energy efficiency, and ability to handle the entire building envelope, including air sealing and insulation.

55 Giselman St, Lakeport, CA 95453 (Serves Kelseyville)

Specialties & Features

Attic insulation installation and upgrade
Blown-in insulation
Air sealing services

Business Information

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

Nor-Cal Foam & Coating

4.7
(80 reviews)
Verified

A specialized contractor focused primarily on spray foam insulation, serving the North Bay and Northern California regions, including Lake County. They are the go-to experts for high-performance spray foam applications for both residential and commercial properties. Their expertise is critical for projects requiring maximum air sealing and R-value.

4407 Bodega Ave, Petaluma, CA 94952 (Serves the North Bay, including Kelseyville)

Specialties & Features

Spray foam insulation
Crawl space insulation
Energy efficiency audits

Business Information

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

T&T Construction & Insulation

4.5
(60 reviews)
Verified

A local general contractor that offers a wide range of services, with a strong focus on insulation and energy efficiency upgrades for existing homes and new construction. They are a practical choice for Kelseyville residents needing insulation as part of a larger remodel or as a standalone project, offering services like removal and replacement.

55 3rd St, Lakeport, CA 95453 (Serves Kelseyville)

Specialties & Features

Insulation removal and replacement
Wall insulation services
Basement and crawl space insulation

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Kelseyville

** The insulation market in Kelseyville, and Lake County broadly, is characterized by a small number of dedicated local specialists and a reliance on regional contractors from areas like Sonoma County for more specialized services like spray foam. Due to the rural nature and the prevalence of older housing stock, there is a significant need for insulation upgrades to improve comfort and reduce energy costs, especially with the region's hot summers and cool, damp winters. * **Average Quality:** The quality from the top local providers is very good, with a strong focus on practical, durable solutions suited to the local climate. Homeowners may need to contact Sonoma County-based firms for the most advanced, high-performance systems. * **Competition Level:** Competition is moderate. There are a few key local players and several general handymen, but the field of licensed, insured, and highly-reviewed specialists is concentrated. This can sometimes lead to longer wait times during peak seasons. * **Typical Pricing:** Pricing is generally in line with or slightly above California averages due to the rural location and travel requirements for some materials and expertise. As a rough guide, attic insulation projects can range from $1,500 to $4,500, while whole-home wall insulation or spray foam applications can range from $5,000 to $15,000+, highly dependent on the home's size, existing conditions, and materials chosen. Homeowners are advised to seek multiple quotes and inquire about potential rebates from programs like Energy Star or through their local utility provider.

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 Kelseyville regulations and climate

Frequently Asked Questions About Insulation in Kelseyville

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

1What type of insulation is best for Kelseyville's climate, considering our hot, dry summers and cool, wet winters?

For Kelseyville's Mediterranean climate, a combination of air sealing and high-performance insulation like blown-in cellulose or fiberglass is highly effective. Cellulose is particularly good for its density, which helps with both temperature regulation and sound dampening. Proper attic insulation is critical here to combat summer heat gain and winter heat loss, directly impacting your comfort and energy bills year-round.

2Are there specific local permits or regulations in Lake County I need to be aware of before adding or replacing insulation?

For standard insulation retrofits in existing homes, a permit is often not required in Lake County, but it's always mandatory to check with the Lake County Community Development Department, as rules can vary. However, if your project involves altering the structure (like adding new walls or changing ventilation), a permit will likely be needed. Always hire a contractor who is familiar with and will comply with the California Title 24 energy code requirements.

3What is the typical cost range for insulating an attic in a Kelseyville home, and are there any rebates available?

For a typical Kelseyville home, attic insulation costs can range from $1,500 to $4,000+, depending on the square footage, existing conditions, and material chosen. Crucially, homeowners should explore rebates from the statewide TECH Clean California program and through their utility provider, Pacific Gas and Electric (PG&E), which often offer significant incentives for insulation upgrades that improve energy efficiency.

4When is the best time of year to schedule insulation work in Kelseyville?

The ideal times are during the milder seasons of spring (April-May) and fall (September-October). This avoids the intense summer heat in the attic, which can be dangerous for workers and can cause some materials to settle improperly if installed at high temperatures. Scheduling in these shoulder seasons ensures the work is completed before the winter chill or summer heat fully set in.

5How do I choose a reliable insulation contractor serving the Kelseyville area?

Prioritize contractors who are licensed (check their CSLB license number), insured, and have verifiable local references. Ask specifically about their experience with older homes common in the area and their knowledge of wildfire zone considerations for venting and non-combustible materials. A reputable provider will offer a detailed, written estimate and a thorough inspection before recommending a solution.