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Best HVAC / Furnace
Repair & AC Repair in

Why These HVAC Professionals?

Our goal is to connect people with the best local experts. We scored Livermore HVAC Professionals on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

Reviewed Curated Top Picks 26 18 6

Our Selection Criteria:

  • 1. Reputation

    A history of delighted customers and outstanding service.

  • 2. Credibility

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Experience

    Masters of their craft, based on years of practical experience and education.

  • 4. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Central Heating & Air Conditioning

Central Heating & Air Conditioning is a commercial and residential HVAC contractor in Livermore that serves various neighborhoods in Alameda, Contra Costa, and San Joaquin counties. The company has been part of the industry for more than 10 years, and it credits its growth to the team’s commitment to quality craftsmanship and excellent customer service. The shop is a family-owned and operated business that knows the importance of keeping homes and workplaces comfortable and energy efficient, and it is a local establishment that has the knowledge and resources to address the community’s specific climate-control and indoor air quality issues. Central Heating & Air Conditioning gives upfront pricing that does not contain hidden charges, and the tasks include installing new equipment, replacing old units with high-efficiency ones, repairing malfunctioning components, and preparing the system for the change of seasons.

Livermore, CA 94550


Darrell’s Heating and Air Conditioning

Darrell’s Heating and Air Conditioning is a mechanical contractor in Livermore that provides quality HVAC and plumbing services. The company has been part of the local industry for more than 35 years, and it combines “knowledge, honesty, and professionalism” to deliver the best results for residential, commercial, and industrial clients. The owner is a veteran of the United States Marine Corps, and he and his team conform to government regulations to keep homes, workplaces, and stores energy efficient, comfortable, and safe from air particles and waterborne elements that pose health risks. Darrell’s Heating and Air Conditioning uses only original equipment manufacturer parts, and it gives decade-long warranties. The staff offers “appreciation” discounts to new customers, as well as free onsite estimates, and it does not charge extra for overtime and holiday assistance.

Livermore, CA 94551



EagleAir is a trusted provider of heating, cooling, and solar solutions in Livermore that covers the entire Tri-Valley area. The company has been around for more than 20 years, and it distinguishes itself from competition by its commitment to communication, service, workmanship, and product excellence. The team comprises dependable installation and troubleshooting personnel with decades of collective professional experience and training, as well as certifications from North American Technician Excellence, and it handles a range of HVAC equipment types, including indoor air quality systems and climate-control devices. EagleAir takes care of residential and commercial environments, and it runs a maintenance program to keep the units in top condition through the seasons. The staff gives some of the most comprehensive labor and parts warranties in the industry, and it has easy financing options.

Livermore, CA 94551


Miller's Air Conditioning & Heating

Miller’s Air Conditioning & Heating has been serving Livermore-area customers with outstanding service and top-of-the-line equipment for nearly 60 years. The trusted HVAC service experts focus on providing clients with customized solutions to meet a range of heating and cooling system needs. Customers can rely on the HVAC professionals to deliver flexible options that accommodate specific lifestyles and budget requirements. The family-owned and operated company specializes in the professional installation of new comfort systems, replacement, maintenance, and repair of existing equipment. Miller’s Air Conditioning & Heating ensures total customer comfort and satisfaction by employing skilled technicians with the expertise to handle everything from small repairs to complex malfunctions. Clients appreciate the attention to detail and high-quality service delivered for all air conditioners, heat pumps, furnaces, ductless units, attic fans, and other indoor comfort equipment.

Livermore, CA 94551


O.K. Heating & Air Conditioning

O.K. Heating & Air Conditioning is one of the most respected HVAC contractors in Livermore. The firm is a licensed business that has been part of the community since 1976, and it continues the founder’s tradition of bringing comfort to living, working, and recreational interiors at fair prices. The team covers various neighborhoods in Alameda and Contra Costa counties, and it installs and troubleshoots all equipment types, such as ductless mini-splits, heat pumps, boilers, furnaces, dehumidifiers, and ventilators. O.K. Heating & Air Conditioning participates in the United States Environmental Protection Agency’s Energy Star program, and it carries quality Bryant products, although it handles other brands. The staff offers maintenance plans, as well as financing options, and it gives free repair estimates. The crew can respond to after-hours emergencies.

Livermore, CA 94551


Superior Mechanical Services

Superior Mechanical Services is one of the most revered providers of heating, cooling, and piping solutions in Livermore and the rest of Northern California. The firm has been satisfying residential and commercial clients since 1948, and it continues the founder’s tradition of excellence in craftsmanship and customer care. The company is a fully licensed business that adheres to industry standards and complies with government codes, and it gives a lifetime workmanship guarantee. The shop also offers extended warranties, as well as convenient financing options, and it accepts American Express, MasterCard, Visa, and Discover payments. Superior Mechanical Services is a member of Mechanical Contractors Association of America and Sheet Metal and Air Conditioning Contractors’ National Association, and it has a 24/7 emergency response unit.

Livermore, CA 94551


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