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.
Get a QuoteEnjoy 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.
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.
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.
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.
Get a QuoteIs your AC blowing warm air during a heatwave? Our technicians diagnose and fix issues promptly, restoring cool comfort to your home.
Schedule RepairDon'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 MorePerfect for additions or homes without existing ductwork. Enjoy efficient, zoned comfort control with our professional ductless installation services.
Learn MoreWe support local Clayton businesses with reliable HVAC maintenance. From retail shops to small office buildings, we keep your commercial environment comfortable.
Business InquiryReduce dust and allergens common in the valley. We install advanced air filtration and purification systems for a cleaner, healthier home.
Improve Air QualityLeaky ducts waste energy. We offer professional duct testing, sealing, and replacement to improve airflow and system efficiency.
Inspect DuctsPrevent unexpected breakdowns with our annual maintenance plans. Regular check-ups keep your system running smoothly and extend its life.
Join PlanHVAC failures can happen anytime. Our 24/7 emergency response team is ready to serve Clayton residents whenever you need us.
Call NowWe'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.
Our team is fully licensed and background-checked, ensuring every job meets the highest safety and quality standards.
No surprises. We provide detailed, flat-rate quotes for your approval before any work begins, so you know exactly what to expect.
We respect your time. We offer convenient appointment windows and always call ahead so you aren't waiting around.
We are proud to be a top-rated HVAC provider in Contra Costa County, with numerous satisfied customers across Clayton.
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."
Based locally, we provide rapid response times to homeowners across the entire region.
Everything Clayton residents need to know about their HVAC systems.
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.