Smart Heating and Air Conditioning is an HVAC company serving Oakland, CA, offering a full range of heating, cooling, and indoor air quality services. Their services include air conditioner and furnace repair, installation, maintenance, and tune-ups. They provide 24/7 availability for urgent heating and cooling issues and employ certified technicians with advanced training to handle various HVAC challenges. The company emphasizes flexible payment options and backs their work with a satisfaction guarantee.

Richard's Heating & Air Repair, Inc. provides heating and air conditioning repair, replacement, and installation services in Fremont, CA. The company handles furnace and AC system repairs as well as thermostat installations. They are known for diagnosing issues accurately, such as resolving condensate drain leaks and blower motor problems. Customers appreciate their honest advice and thorough explanations when selecting HVAC systems. The business operates with regular weekday hours and emphasizes reliable service without pressure to buy.

Connolly Heating and Air Conditioning is an HVAC company serving Oakland, CA, and nearby communities. Established in 1971, they provide residential and commercial heating, air conditioning, maintenance, and indoor air quality services. As a NATE-certified contractor and Carrier factory-trained dealer, Connolly offers reliable HVAC installations, repairs, and tune-ups. Their expertise includes servicing all makes and brands with a workmanship guarantee, reflecting over five decades of industry experience.

L.J. Kruse Company is a family-owned plumbing, heating, and cooling business based in Berkeley, California, serving Oakland, CA, and the surrounding Northern California region. They offer a range of HVAC services including air conditioning, furnace, heat pump, and boiler repair and installation, as well as HVAC tune-ups. With over 100 years of experience, L.J. Kruse Company combines traditional values with skilled expertise to serve both residential and commercial clients across Alameda County, Contra Costa County, San Francisco, and Silicon Valley.

Contra Costa Climate Control is a family-owned HVAC company serving Oakland, CA, and nearby communities including Concord, Danville, Walnut Creek, and Lafayette. Since 1997, they have provided residential and commercial heating, ventilation, and air conditioning services. Their offerings include installation, repair, and maintenance of air conditioners, furnaces, heat pumps, ductless mini-splits, and indoor air quality systems. The company also installs advanced thermostats and offers comprehensive HVAC maintenance packages. Their technicians are licensed, background-checked, and available around the clock to support system reliability and efficiency.

Vent Mg Air Duct Cleaning is a duct cleaning company based in San Francisco, CA. They specialize in improving indoor air quality by providing tailored air duct cleaning services to enhance the comfort and health of homes and workplaces. Their experienced team focuses on delivering solutions that help maintain cleaner air environments.

Elevated Comfort is an HVAC company serving Oakland, CA, specializing in air conditioning, furnace, and heat pump repair and installation. They provide same-day HVAC services to address urgent heating and cooling needs promptly. The company also offers HVAC tune-up services to help maintain system efficiency and longevity. Elevated Comfort supports customers with flexible financing options to make HVAC repairs and installations more accessible.

Honrath & Stacey Plumbing & Heating is a family-owned company serving Oakland, CA, and nearby areas including Richmond, San Pablo, Petaluma, and Berkeley. They provide furnace and heater repairs, water heater services, and general plumbing repairs such as water line fixes and drain cleaning. Founded in 1967, the company has decades of experience in heating and plumbing services. Their service area covers multiple cities in Contra Costa County.

Breathable is a contractor based in San Francisco, CA, specializing in heat pump installation, duct cleaning, and indoor air quality services. They focus on creating healthier indoor environments through thorough HVAC system cleaning, air duct inspections, and whole house air purification. Their services include designing and replacing air duct systems to improve comfort, air quality, and energy efficiency. Breathable has experience serving residential clients with duct cleaning and heat pump installations, emphasizing cleaner and more energy-efficient indoor air solutions.

Double R Heating & Air Conditioning is an HVAC company based in Stockton, CA, offering a range of services including air conditioning repair, furnace repair, HVAC installation, duct cleaning, and thermostat installation. The company is experienced in diagnosing and resolving complex HVAC issues such as clogged condensation lines and leaks. They also handle new installations and ductwork, including zoning systems for multi-level homes. Customers have noted their knowledge and professionalism in maintaining and repairing HVAC systems.