Get matched with top central a/c service or repairers in Union City, CA

Hao Wu is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

Dukes Heating & Air Conditioning is in HVAC business for 37 years now and continuously remains on the top of the industry. We do this by providing honesty and good workmanship that our customers love the most. We- Dukes Heating & Air Conditioning , also make sure that we have the latest technology that enables us to be more competitive & expert in the field and stand behind any work we have performed. Our in-house employees are all professionally trained and deliver only excellence to whatever project they work on.

At Service Star Heating & Air Conditioning, we know you have choices - that's why we work every day to stand apart. We blend big-company expertise with a local, family-owned touch. Personalized Service: We listen, explain, and tailor every solution to your homes unique needs. Certified Technicians: Licensed, trained, and committed to safe, precise, efficient work. Transparent Pricing: No hidden fees or upselling ? just honest, upfront recommendations. Quality & Reliability: We use premium equipment, follow best practices, and back our work with strong warranties. Customer-First Approach: We treat your home as our own, respecting your time, space, and budget. We don't just repair or install - we deliver comfort, peace of mind, and long-term savings. That's why Tri-Valley families trust Service Star year-round.

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Installation - Free Estimates Repair - Not Free

Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.

Message from the Owner/ Founder: “As a third generation heating and air technician and retired 20 year veteran of fire and public safety, I wanted to create a service company that you could count on for its integrity and professionalism. When our service technicians arrive at your home, we want you to feel the same level of confidence and trust you get from a firefighter arriving at your home to help when you call 911. Our service technicians are professional, courteous, and well trained. I am comfortable allowing them into the homes of my families and friends who are firefighters, police officers and the public. Thank you for the opportunity to service your comfort needs and believing in our company. We look forward to a continued long relationship. Warm regards, Harry Abbott” Comfort Energy Inc is a full service provider of quality air conditioning and heating repair and installation. . Locally owned and operated, with over 30 years of experience. We are proud members of the Nexstar network of contractors. We specialize in helping homeowners make informed decisions to best meet your family's comfort needs. Spanish and Japanese spoken.

Pacific Coast Home Services, family owned and operated is a client centered company, serving the greater Bay area community. Want one good reason to hire us for your HVAC needs? We'll give you 6: Proven Expertise – With decades of hands-on experience, our HVAC technicians bring knowledge, skill, and precision to every job. Reliable Service – From urgent repairs to seasonal tune-ups, we’re committed to showing up on time and doing the job right the first time. Energy Efficiency Focus – We don’t just fix systems—we optimize them, helping you lower energy costs and extend the life of your equipment. Customized Solutions – Every home and business is unique. We design heating and cooling solutions that fit your needs, comfort, and budget. Trusted Local Professionals – We’ve built our reputation on honesty, transparency, and long-term relationships with our clients. At the heart of what we do is simple: keeping your home comfortable, safe, and energy-efficient—season after season.

Air Sharks LLC provides a wide range of HVAC services for residential clients throughout the South Bay. In addition to installing, repairing, and maintaining heating and air conditioning systems made by industry leaders like Daikin and Lennox, the company offers various services that are designed to improve indoor air quality, including ductwork inspection and cleaning. Owner Khaled Alsaka credits much of Air Sharks’ success to its passion for transforming the HVAC process with insightful education, collaborative solutions and top-tier products. “As a pioneering force in the industry, we leverage our extensive expertise to provide our customers with seamless guidance,” he says. “Our dedication to excellence motivates us to continuously exceed expectations, ensuring every interaction reflects our unwavering commitment to delivering five-star service.” Air Sharks offers personalized consultations so it can provide each job with tailored heating and cooling solutions, which Mr. Alsaka says is important for ensuring positive results. “We take great pride in our craftsmanship and attention to detail. Every phase of our process allows us to showcase our expertise, resulting in highly satisfied customers who are eager to share their experience with others.

Upgrade Home Services stands out because we're a family-owned and operated business with deep local roots in Milpitas and the surrounding areas since 2002. We started as All Heating and Air Conditioning and grew to offer a wider range of home services, always focusing on what matters most: your family's comfort, safety, and energy efficiency. We combine our decades of community trust with a commitment to high-quality solutions, like our partnership with Carrier, to ensure you get top-performing equipment and exceptional service. From routine maintenance to emergency replacements and new installations, we go above and beyond to meet your general home needs. Experience the Upgrade Home Services difference – where family values meet comprehensive home expertise.

Looking for reliable Heating & A/C services in the SAN FRANCISCO BAY area? Look no further than Aire Serv of Campbell & Saratoga. Our team of experts is here to assist you with all your heating and A/C needs. With our exceptional service and attention to detail, we are dedicated to providing the best solutions for all your needs. Contact us today!