The Best Insulation Contractors in Chatsworth, CA

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

#1

Green Energy Experts

4.8
(200 reviews)
Verified

A highly-rated, full-service insulation and energy efficiency contractor. They are known for their expertise in advanced solutions like spray foam and cellulose, and for guiding homeowners through available rebate programs. Their strong focus on comprehensive home performance (air sealing + insulation) makes them a top choice for energy-conscious homeowners.

20130 Plummer St, Chatsworth, CA 91311

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Energy efficiency audits

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

The Insulation Doc

4.7
(150 reviews)
Verified

This company positions itself as a specialist in diagnosing and solving home insulation and air sealing problems. They receive consistent praise for their detailed assessments, professionalism, and effective solutions for difficult spaces like crawl spaces and existing walls. They are a prime example of a quality local contractor serving the wider valley area.

9525 Owensmouth Ave Suite 216, Chatsworth, CA 91311

Specialties & Features

Insulation removal and replacement
Blown-in insulation
Crawl space insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Pacific Green Home Insulation

4.6
(80 reviews)
Verified

A reputable contractor with a strong presence in the San Fernando Valley, known for both residential and commercial insulation projects. They offer a wide range of materials and are particularly noted for their work in attic insulation and air sealing, helping to improve home comfort and reduce energy bills.

20439 Plummer St, Chatsworth, CA 91311

Specialties & Features

Attic insulation installation
Air sealing services
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Chatsworth

** The insulation market in Chatsworth is competitive and characterized by a mix of high-quality, specialized local contractors and larger regional companies. The quality of service is generally high, driven by California's strict Title 24 energy codes and homeowner demand for efficiency in the region's hot summers and mild winters. Competition is robust, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing is on the higher end of the national average due to the high cost of living and business operations in California. However, this is often offset by long-term energy savings and access to state and utility rebate programs (like those from SoCalGas and LADWP), which most reputable contractors are well-versed in. Homeowners can expect to pay anywhere from $1,500 to $4,500+ for a standard attic insulation project, with spray foam installations being significantly more expensive but offering superior performance. The presence of multiple established providers in and directly around Chatsworth ensures that residents have access to expert service without needing to look far.

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 Chatsworth regulations and climate

Frequently Asked Questions About Insulation in Chatsworth

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

1What are the most important insulation upgrades for my Chatsworth home given our local climate?

For Chatsworth's hot, dry summers and mild but occasionally chilly winters, the priority is attic insulation to prevent significant heat gain. We recommend upgrading to high-performance materials like blown-in cellulose or fiberglass to achieve an R-Value of R-38 to R-60, which is the current California Title 24 energy code recommendation. Properly sealing air leaks around recessed lights, attic hatches, and ductwork is equally critical to keep cool air in during summer and improve overall efficiency.

2How much does attic insulation installation typically cost in Chatsworth?

Costs vary based on material, square footage, and existing conditions, but for a standard 1,500 sq ft attic, a full blow-in insulation upgrade in Chatsworth typically ranges from $1,800 to $3,500. Regional factors like California's high material standards and labor costs influence pricing. It's important to get itemized quotes that include air sealing, as this is a required step for optimal performance and may qualify you for rebates from SoCalGas or the LADWP.

3Are there specific permits or regulations for insulation work in Chatsworth I should know about?

Yes, insulation work in Chatsworth often requires a permit from the Los Angeles Department of Building and Safety (LADBS), especially if it's part of a larger renovation. More critically, all work must comply with California's strict Title 24 energy codes, which mandate specific R-Values and air sealing measures. A reputable local contractor will handle this permitting process and ensure compliance, which is essential for passing any future home inspections.

4What is the best time of year to schedule insulation installation in Chatsworth?

The ideal time is during our mild spring (March-May) or fall (October-November) seasons. Attic temperatures can be extreme and dangerous in the summer, making installation difficult and less comfortable for workers. Scheduling in the off-peak seasons also often leads to better contractor availability and potential scheduling flexibility. However, quality contractors work year-round with proper safety protocols.

5How do I choose a reliable insulation contractor in the Chatsworth area?

Always verify the contractor holds a valid California CSLB license (specifically for insulation or a general B license) and carries ample insurance. Ask for local references in the San Fernando Valley and check reviews specific to their insulation work. Choose a provider who conducts a thorough energy audit or inspection, provides a detailed written quote including proposed R-Values, and clearly explains available rebates from local utilities like LADWP.