High-Performance Install
Upgrade to a high-efficiency HVAC system. We size and install modern units that can handle the intense Clayton heat without driving up your utility costs.
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Clayton's Premier HVAC Service
Superior Heating & Cooling in Clayton, CA
Enjoy perfect comfort at the foot of Mount Diablo. From Oakhurst to the historic town center, we deliver precision HVAC repair, installation, and maintenance designed for Clayton's unique inland climate.
5-Star Rated
by Clayton Locals
15+
Years ServingContra Costa
Who We Are
Call Our Team
Dedicated to Clayton's Comfort
Clayton's location near Mt. Diablo means experiencing some of the hottest summers and briskest winter nights in the Bay Area. At HVAC Repair LLC, we understand these extremes. We specialize in maintaining systems in established neighborhoods like Dana Hills and installing high-efficiency units that can handle the valley heat.
Our team of licensed professionals treats every home with respect and care. We are fully insured and committed to delivering honest, high-quality workmanship that keeps your family comfortable and your energy bills manageable year-round.
Licensed Experts
Bonded & Insured for SafetyFast Response
24/7 Emergency Service
Our Expertise
Complete HVAC Solutions for Clayton
Whether you need a powerful AC to handle triple-digit summer days or a furnace tune-up for frosty mornings, our comprehensive services are designed to meet the specific demands of Clayton homeowners.
AC Repair Services
Is your AC blowing warm air during a heatwave? Our technicians diagnose and fix issues promptly, restoring cool comfort to your home.
Schedule RepairFurnace Repair
Don't get left in the cold. We provide reliable furnace repairs and safety inspections to ensure your heating system performs when you need it.
Learn MoreDuctless Mini-Splits
Perfect for additions or homes without existing ductwork. Enjoy efficient, zoned comfort control with our professional ductless installation services.
Learn MoreCommercial HVAC
We support local Clayton businesses with reliable HVAC maintenance. From retail shops to small office buildings, we keep your commercial environment comfortable.
Business InquiryIndoor Air Quality
Reduce dust and allergens common in the valley. We install advanced air filtration and purification systems for a cleaner, healthier home.
Improve Air QualityDuct Services
Leaky ducts waste energy. We offer professional duct testing, sealing, and replacement to improve airflow and system efficiency.
Inspect DuctsMaintenance Plans
Prevent unexpected breakdowns with our annual maintenance plans. Regular check-ups keep your system running smoothly and extend its life.
Join PlanEmergency HVAC
HVAC failures can happen anytime. Our 24/7 emergency response team is ready to serve Clayton residents whenever you need us.
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Why Clayton Chooses Us
The HVAC Repair LLC Promise
We've built our reputation in Clayton on trust, quality, and small-town service values. Local homeowners choose us because we combine top-tier technical expertise with a commitment to preserving the comfort of your home.
Certified Professionals
Our team is fully licensed and background-checked, ensuring every job meets the highest safety and quality standards.
Upfront Pricing
No surprises. We provide detailed, flat-rate quotes for your approval before any work begins, so you know exactly what to expect.
Reliable Scheduling
We respect your time. We offer convenient appointment windows and always call ahead so you aren't waiting around.
Local Reputation
We are proud to be a top-rated HVAC provider in Contra Costa County, with numerous satisfied customers across Clayton.
Local Feedback
Loved by Clayton Locals
See why your neighbors in Clayton trust HVAC Repair LLC for their home comfort needs.
★★★★★
"Our AC quit during a July heatwave. HVAC Repair LLC was the only company that could come out quickly. They fixed it fast and for a great price. Lifesavers!"
★★★★★
"Professional, honest, and affordable. They installed a new furnace for us and explained everything clearly. The installation was clean and they respected our home."
★★★★★
"We use them for maintenance on our property in town. Always reliable, communicative, and they do great work keeping the systems running efficiently."
Local Coverage
Serving Clayton & The East Bay
Based locally, we provide rapid response times to homeowners across the entire region.
Common Questions
Frequently Asked Questions
Everything Clayton residents need to know about their HVAC systems.
How often should Clayton homeowners service their HVAC?
Given our hot summers and cooler winters, we recommend a bi-annual schedule: an AC tune-up in spring to prepare for the heat, and a heating inspection in autumn. This proactive approach helps your system run efficiently and extends its lifespan.
Do you service all neighborhoods in Clayton?
Yes! We cover all of Clayton, including Oakhurst, Dana Hills, Morgan Territory, and downtown. We are familiar with the unique needs of both historic homes and newer developments.
What if my AC breaks down on a weekend?
We offer 24/7 emergency repair services. If your system fails during a weekend heatwave or a holiday, simply call (323) 487-6504, and our on-call technician will be dispatched to your home immediately.
Do you offer financing for new installations?
Yes, we understand that a new HVAC system is a significant investment. We offer flexible financing options to help make upgrading your home's comfort system affordable and stress-free.
Ready to Upgrade Your Comfort?
Don't settle for less than perfect climate control. Join your Clayton neighbors who trust HVAC Repair LLC for all their heating and cooling needs.