The Best Insulation Contractors in Middletown, CA

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

#1

All Weather Insulation & Gutters

4.8
(180 reviews)
Verified

A highly-rated, family-owned contractor specializing in comprehensive home performance upgrades. They are recognized for their expertise in energy efficiency audits and leveraging various insulation techniques to create tight building envelopes. Their strength lies in a holistic approach, combining insulation with air sealing for maximum energy savings.

18720 Shoreline Hwy, Mendocino, CA 95460 (Serves Middletown and the greater North Bay/Lake County area)

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

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

Harmony Builders & Insulation

4.6
(90 reviews)
Verified

A local Middletown-based general contractor with a strong focus on insulation services, particularly for existing homes and retrofit projects. They have deep knowledge of local building codes and the specific climate challenges of the Cobb Mountain area. They are a go-to for attic and crawl space projects.

21282 Washington St, Middletown, CA 95461

Specialties & Features

Attic insulation installation and upgrade
Basement and crawl space insulation
Insulation removal and replacement

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Norcal Foam Insulation

4.7
(110 reviews)
Verified

A specialized contractor based in the Santa Rosa area, serving the entire North Bay, including Lake County. As the name implies, they are experts in spray foam applications but also offer a full suite of other insulation services. They are known for their technical proficiency and for working on complex projects requiring high R-value solutions.

3300 Coffey Ln, Santa Rosa, CA 95403 (Serves Middletown and the North Bay region)

Specialties & Features

Spray foam insulation
Wall insulation services
Air sealing services

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Middletown

** The insulation market serving Middletown, CA, is characterized by a mix of local general contractors and specialized companies from larger neighboring areas like Santa Rosa and Mendocino. Due to Middletown's rural location and the high demand for energy efficiency in its varied climate (hot summers, cold winters), the market is moderately competitive with a focus on quality over quantity. * **Average Quality:** The quality is generally high, with several providers holding certifications from manufacturers like Owens Corning or BASF, and an understanding of advanced building science principles necessary for both new construction and retrofits in older homes. * **Competition Level:** Moderate. There are few dedicated "insulation-only" contractors within the city limits, creating an opportunity for regional specialists and skilled local builders. This means homeowners have good options but may need to schedule services in advance. * **Typical Pricing:** Pricing is above the national average, reflecting California's higher labor and material costs, as well as the travel for some contractors. As a rough guide: * Blown-in Attic Insulation: $1,800 - $4,500 * Spray Foam Insulation (closed-cell): $3,000 - $7,500+ * Wall Insulation (drill-and-fill): $2,000 - $5,000 * Homeowners are advised to get multiple quotes and inquire about potential rebates from programs like Pacific Gas and Electric Company (PG&E) or through local energy efficiency initiatives.

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 Middletown regulations and climate

Frequently Asked Questions About Insulation in Middletown

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

1What type of insulation is best for Middletown's climate, which has hot, dry summers and cool, wet winters?

For our climate, a combination of materials often works best. In attics, blown-in cellulose or fiberglass is highly effective for resisting summer heat gain and winter heat loss. For walls during retrofits, dense-pack cellulose is excellent as it seals gaps well against our seasonal winds. It's crucial to achieve the recommended California Title 24 insulation levels (e.g., R-38 to R-49 for attics) for optimal energy efficiency and comfort year-round.

2How much does insulation installation typically cost for a home in the Middletown area?

Costs vary significantly based on home size, material, and scope, but local projects often range from $1,500 to $4,500. Attic insulation for an average home typically falls between $1,800 and $2,800. It's important to get itemized quotes from local contractors, as prices can be influenced by our rural location and travel costs for providers. Remember, California and federal tax credits may be available to offset 30% of the cost (up to $1,200), improving the return on investment.

3When is the best time of year to install or upgrade insulation in Middletown?

The ideal time is during the late spring (May-June) or early fall (September-October). These periods offer mild temperatures, making it safer for contractors to work in your attic and allowing for proper curing of some materials. Scheduling during these shoulder seasons also ensures your home is fully prepared before the intense summer heat or the winter chill, and you'll find contractor availability is generally better than in peak summer.

4Are there any local Middletown or Lake County regulations or permits I need to be aware of for insulation work?

For standard insulation retrofits that don't alter structural elements, a permit is often not required in Lake County. However, if the project is part of a larger remodel, involves electrical work near insulation, or includes structural changes to the roof or walls, a building permit may be necessary. Always verify with the Lake County Community Development Department. Furthermore, reputable local contractors will be familiar with California's strict Title 24 energy codes that dictate required insulation R-values.

5My older Middletown home feels drafty. Will adding more attic insulation stop the drafts?

Adding insulation alone will not stop air leaks, which are a major source of drafts and energy loss. In our area, where winds can be significant, a comprehensive approach is key. The most effective strategy is to first perform an air sealing service to close gaps around chimneys, wiring, and attic hatches, *then* add the proper amount of insulation on top. This two-step process addresses both conduction and air infiltration, which is critical for comfort in our variable climate.