Get matched with top thermostat installers and replacers in Union City, CA

Miller’s HVAC is Livermore’s trusted choice for reliable heating and air conditioning services. Our certified technicians provide expert installation, repair, and maintenance for furnaces, air conditioners, heat pumps, and duct systems. We’re dedicated to keeping your home or business comfortable year-round with honest pricing, quality workmanship, and exceptional customer service.\n\nWe proudly serve Livermore, Pleasanton, Dublin, and surrounding Tri-Valley areas. Whether you need an energy-efficient upgrade, seasonal tune-up, or emergency HVAC repair, Miller’s HVAC delivers fast, dependable results you can count on.\n\nServices include:\n• HVAC installation & repair\n• Furnace & A/C maintenance\n• Indoor air quality solutions\n• 24/7 emergency service\n\nCall Miller’s HVAC today for a free quote and experience the comfort you deserve!

"Daniel was great! Very responsive, professional and preformed quality work."

"Timely, tidy, willing to cooperate, happy with the result. Very happy!"

"Did a great job replacing the weather stripping and ended up having to add to this project and fix the door’s lock. Would hire again!"

"Very good, the job was completed very quickly"

A personalized home remodeling company. We do it all from A to Z. Everything from forms and framing to finish work including plumbing and electrical.

LICENSE #668615

Cost is determined by the job. Payment terms are upon completion. Additional DBA - America's Best Window Cleaning.

We are proud but humble to earn the respect and loyalty from numerous satisfied clients and will continue to remain committed to the old-fashioned values of integrity, professionalism, dependability and affordability for which we are known for.\n\nDedicated to a continual education process in the air conditioning and repair field of expertise and always eager to hear the feedback of our valued customers, we will continue to strive for 100% satisfaction. We also pledge to keep your total comfort our foremost priority.Whether you are a repeat customer or we are meeting you for the very first time, we will promise to ensure you are always fully informed and confident in our professional suggestions during the time of service. \nOur air conditioning repair team provides quick response times on service calls. Our knowledgeable, technical professionals do a job right the first time. We take pride in our workmanship and in all our services from routine maintenance to a complex installation or repair problem.