Complete Attic & Crawl Space Solutions
Attic, Crawl Space &
Wall Insulation Experts
We provide professional insulation removal, installation, air sealing, duct replacement, rodent proofing, sanitation, radiant barrier, and moisture barrier services for homes across California.
CSLB License #1154818

4.k Reviews
Attic Insulation | Crawl Space Insulation | Wall Insulation | Air Duct Installation | Rodent Proofing | Sanitation | Radiant Barrier | Moisture Barrier | Spray Foam
Delivering cleaner air, better energy efficiency
Cleaner Air. Lower Energy Bills. Better Home Comfort.

Licensed & Insured

Free Inspection Available
Complete attic, crawl space, wall insulation, spray foam insulation, air duct services, rodent proofing, radiant barrier, moisture barrier, air sealing and sanitation solutions.

Complete Insulation Solutions
We don’t believe in temporary fixes. Our team handles everything from inspection and problem identification to full-service execution.

Energy-Efficient Upgrades
Every solution we provide is designed to reduce energy loss & improve overall efficiency. By sealing air leaks, upgrading insulation, and optimizing airflow

Cleaner & Healthier Indoor Air
Your attic and crawl space directly affect the air you breathe. We remove contaminants, sanitize affected areas, and prevent future issues.

Built for Long-Term Performance
We use high-quality materials and proven techniques to ensure lasting results. Our work is code-compliant, reliable, and designed to stand the test of time.
Everything you need to improve energy efficiency, air quality
Professional Insulation, Air Duct, Attic & Crawl Space Services
Your attic and crawl space play a critical role in your home’s comfort, energy efficiency, and air quality. Our full-service solutions are designed to identify hidden issues, eliminate hazards, and optimize every component for maximum performance. From insulation upgrades to air duct systems and moisture control, we deliver results that last.
Insulation Removal & Installation
Old, damaged, or contaminated insulation can reduce efficiency and affect air quality.
Air Sealing & Energy Optimization
Air leaks are one of the biggest causes of energy loss. Our advanced air sealing solutions close gaps and cracks.
Rodent Proofing & Cleaning
Rodents can damage insulation, wiring, and contaminate your living space.
Air Duct Services
Your duct system directly impacts airflow and air quality. We offer professional air duct replacement.

Licensed & Insured

Free Inspection Available

Residential & Commercial Services

Energy-Efficient Solutions
Free Attic & Crawl Space Inspection
Upgrade your home’s comfort, reduce energy costs, & much more.

1-Year Workmanship Warranty
We stand behind our work with a 1-year workmanship warranty.

Customer Satisfaction Guaranteed
From inspection to cleanup, we focus on quality, cleanliness, and professional service.

Professional & On-Time Service
We respect your time and complete projects efficiently and professionally.
Real homes, Real improvements, Real results you can feel
See Our Recent Projects

4.k Reviews
Every project we take on is an opportunity to transform a home’s comfort, efficiency, and air quality. From removing contaminated insulation to installing high-performance systems, our team delivers clean, precise, and long-lasting results. Take a look at some of our recent projects and see the difference expert attic and crawl space solutions can make.
Customized insulation solutions for every home
Choose the Right Solution
for Your Home
Home Protection Package
Best for homes needing a professional inspection, basic air sealing, and energy-efficiency recommendations.
- Free attic & crawl space inspection
- Insulation condition assessment
- Basic attic air sealing
- Energy-efficiency recommendations
- Post-service cleanup
Energy Efficiency Upgrade
Designed to improve home comfort, airflow, and energy efficiency.
- Full attic & crawl space inspection
- Insulation removal, if needed
- New insulation installation
- Air sealing & energy optimization
- Duct inspection & minor sealing
- Sanitation, if required
Whole-Home Comfort Solution
A complete solution for attic, crawl space, duct, and indoor air quality improvements.
- Complete insulation assessment
- Full insulation removal & replacement
- Air duct inspection/replacement options
- Radiant barrier installation
- Rodent proofing & sanitation
- Moisture/vapor barrier solutions
- Advanced air sealing system
Every home is different. Final recommendations are provided after a professional inspection.
Cleaner Air. Better Comfort.
More Energy Efficiency.
From attic insulation and air sealing to crawl space solutions, air duct services, radiant barrier, rodent proofing, air sealing and sanitation, ThermaCore Insulation delivers energy-efficient solutions designed to improve comfort, indoor air quality, and long-term performance.
Licensed & Insured | CSLB Lic #1154818 | Serving Bay Area, Sacramento & Central Valley
Everything you need to know
Frequently Asked Questions
Have questions about insulation, energy efficiency, or attic upgrades? We’ve answered some of the most common questions homeowners ask before starting their project.
1. How do I know if my attic or crawl space insulation needs replacement?
Common signs include high energy bills, uneven temperatures throughout your home, drafts, moisture issues, pest infestations, mold growth, or insulation that appears damaged, compressed, or contaminated. If your home feels uncomfortable year-round, a professional inspection can determine whether replacement is needed.
2. How can insulation improve comfort and lower energy bills?
Proper insulation helps maintain consistent indoor temperatures by reducing heat loss in winter and keeping heat out during summer. This reduces the workload on your HVAC system, improves overall comfort, and can significantly lower monthly heating and cooling costs.
3. Do you provide free inspections?
Yes. We offer free inspections and assessments to evaluate your attic, crawl space, insulation, ductwork, and energy efficiency needs. Our team will recommend the most effective solutions based on your home’s condition.
4. How long does attic, crawl space, or duct work usually take?
Most residential insulation, crawl space, and ductwork projects can be completed within one day. Larger homes or projects requiring extensive cleanup, repairs, or replacement services may take longer. We will provide a clear timeline during your inspection.
5. Do you offer air duct replacement?
Yes. We provide professional air duct replacement and installation services. Replacing old, damaged, or inefficient ductwork can improve airflow, enhance indoor air quality, and help your HVAC system operate more efficiently.
6. Do you provide rodent proofing & sanitation?
Absolutely. We offer rodent proofing, insulation removal, cleanup, sanitization, and contamination treatment services. Our team helps eliminate entry points and restores affected areas to create a cleaner, healthier environment.
7. What is radiant barrier insulation?
Radiant barrier insulation is a reflective material typically installed in attics to reduce radiant heat transfer. It helps keep your home cooler during hot weather by reflecting heat away from living spaces, improving energy efficiency and indoor comfort.
8. Do you install crawl space moisture barriers?
Yes. We install high-quality crawl space moisture barriers designed to reduce humidity, prevent mold growth, protect structural components, and improve indoor air quality throughout your home.
9. What areas do you serve?
We proudly serve homeowners and businesses throughout the Bay Area, Sacramento, and Central Valley regions. Whether you need attic insulation, crawl space services, ductwork replacement, rodent proofing, or energy-efficiency upgrades, our experienced team is ready to help. Contact us today to confirm service availability in your area and schedule a free inspection.
Ready For A Cleaner, More Energy-Efficient Home?
Licensed & Insured | CSLB Lic #1154818 | Serving Bay Area, Sacramento & Central Valley
Client Says
Trusted By Homeowners Across California
Customer satisfaction is our priority. From attic insulation and air duct services to crawl space and rodent-proofing solutions, we focus on quality workmanship, honest recommendations, and professional service.
We had no idea how bad our attic insulation was until their inspection. The team removed everything, cleaned the space, and installed new insulation. Our home feels cooler in summer and warmer in winter, and our energy bill dropped noticeably.

Michael R.
Bussinessman
We had no idea how bad our attic insulation was until their inspection. The team removed everything, cleaned the space, and installed new insulation. Our home feels cooler in summer and warmer in winter, and our energy bill dropped noticeably.

Michael R.
Bussinessman
We had no idea how bad our attic insulation was until their inspection. The team removed everything, cleaned the space, and installed new insulation. Our home feels cooler in summer and warmer in winter, and our energy bill dropped noticeably.

Michael R.
Bussinessman
We’re here to help you improve your home
Schedule Your Free Inspection
Have questions about insulation, air ducts, crawl space issues, rodent contamination, or energy efficiency? Contact ThermaCore Insulation today to schedule your free inspection and receive professional recommendations tailored to your home.
Licensed & Insured | CSLB Lic #1154818 | Free Inspection Available
- 209-800-1800
- hello@thermacoreinsulation.com
- Serving Bay Area • Sacramento • Central Valley