The Best Insulation Contractors in San Jacinto, CA

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

#1

Attic Crew

4.8
(280 reviews)
Verified

Attic Crew is a highly-rated, specialized contractor focusing primarily on attic services, including insulation and air sealing. They are known for their thoroughness, use of quality materials like Owens Corning, and their strong emphasis on improving home energy efficiency. They serve the entire Inland Empire, including San Jacinto.

28465 Old Highway 80, Beaumont, CA 92223 (This is their main office location, they serve San Jacinto)

Specialties & Features

Attic insulation installation and upgrade
Insulation removal and replacement
Air sealing services

Business Information

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

USI Insulation – Riverside

4.7
(150 reviews)
Verified

USI is a national insulation provider with a strong local branch in Riverside. They offer a full suite of insulation services and are particularly noted for their energy efficiency expertise and knowledge of available rebates. Their large corporate backing provides access to extensive training and a wide range of materials.

6650 Brockton Avenue, Riverside, CA 92506 (This is their local branch that serves San Jacinto)

Specialties & Features

Spray foam insulation
Blown-in insulation installation
Energy efficiency audits

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#3

Koala Insulation of Riverside

4.9
(90 reviews)
Verified

Koala Insulation is a well-regarded, eco-conscious contractor that emphasizes proper insulation techniques and using recycled materials where possible. They provide free estimates and are praised for their detailed explanations and customer service. They are a newer but rapidly growing presence in the Riverside/San Jacinto area.

6870 Indiana Ave Suite 130, Riverside, CA 92506 (They serve the San Jacinto area)

Specialties & Features

Blown-in insulation installation
Basement and crawl space insulation
Insulation removal and replacement

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in San Jacinto

** The insulation market in San Jacinto is typical of the Inland Empire region, characterized by a mix of older homes (which often have outdated or insufficient insulation) and new construction. The climate, with hot, dry summers and mild but sometimes chilly winters, creates a significant demand for effective attic and wall insulation to manage cooling costs and maintain comfort. **Competition Level:** The market is moderately competitive. While there are few, if any, large specialized insulation contractors physically headquartered within San Jacinto's city limits, the city is robustly served by established companies from neighboring hubs like Riverside, Hemet, and Beaumont. This gives homeowners a good selection of reputable providers. **Average Quality:** The quality of service available is generally high, with several providers holding key certifications (like from BPI or as Owens Corning Preferred Contractors) and being well-versed in California's strict Title 24 energy codes. The best contractors integrate air sealing with insulation, a critical combination for efficiency in this climate. **Typical Pricing:** Pricing is competitive but can vary significantly based on the project scope and material. * **Blown-in Cellulose/Fiberglass:** Typically ranges from **$1.50 to $3.00 per square foot** installed. * **Spray Foam Insulation:** A premium service, typically costing **$3.00 to $7.00+ per square foot** depending on type (open vs. closed cell) and thickness. * **Insulation Removal:** Often costs **$1.50 to $2.50 per square foot** before the cost of new insulation is added. Homeowners are encouraged to get multiple quotes and inquire about potential rebates from providers like SoCalGas or state energy efficiency programs, which many of the top contractors can help navigate.

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 San Jacinto regulations and climate

Frequently Asked Questions About Insulation in San Jacinto

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

1What is the typical cost range for adding or upgrading attic insulation in a San Jacinto home?

For a standard 1,500-2,000 sq ft home in San Jacinto, adding blown-in cellulose or fiberglass attic insulation to reach the recommended R-38 to R-49 level for our climate zone (California Zone 10) typically costs between $1,500 and $3,500. Final costs depend on the existing insulation depth, material choice, and attic accessibility. Many homeowners qualify for rebates through programs like Energy Upgrade California or local utility providers, which can significantly offset this investment.

2When is the best time of year to schedule insulation work in San Jacinto?

The ideal time is during our milder seasons, fall (September-November) and spring (March-May), to avoid the extreme summer heat that makes attic work hazardous for crews and the occasional winter chill. Scheduling during these periods is also easier as contractors are less overwhelmed by emergency HVAC calls common during peak summer. However, professional installers can work year-round, so addressing poor insulation before summer is a priority for energy savings.

3Are there specific local building codes or regulations for insulation in San Jacinto I should know about?

Yes, San Jacinto follows the 2022 California Title 24 Building Energy Efficiency Standards. For our inland, hot-dry climate zone, the code mandates specific minimum R-values for different parts of your home (e.g., attic, walls, floors). A reputable local contractor will be fully versed in these codes to ensure compliance. Additionally, if your home was built before 1980, you should have a professional check for existing asbestos-containing materials before any disturbance.

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

Always verify the contractor holds a valid California CSLB license (specifically for insulation, C-2 or B-General Building). Ask for proof of liability insurance and worker's compensation. Seek out local companies with strong reviews and ask for references from recent jobs in the San Jacinto or Hemet Valley area. A trustworthy provider will perform a thorough energy audit or inspection and provide a detailed written estimate, not just a vague quote over the phone.

5What is the most important type of insulation for our hot, dry San Jacinto climate?

Attic insulation is the single most critical and cost-effective upgrade due to the intense, direct sun heating your roof all summer. Proper attic insulation (R-38 to R-49) acts as a primary thermal barrier, keeping heat from radiating into your living spaces. For existing homes, air sealing gaps and ducts in the attic is equally important to prevent cool, conditioned air from escaping, which is a major energy waster in our region.