OTTER HVAC & ELECTRICAL is an HVAC and electrical service provider based in Oakland, CA. They offer installation and repair services for air conditioners, furnaces, rooftop package units, ductwork, ventilation, and electrical systems. The company serves both residential and commercial clients and emphasizes environmentally friendly solutions by using sustainable materials. With over 10 years of experience, OTTER HVAC & ELECTRICAL stays current with industry trends and equipment through ongoing technician training. Their service hours extend daily from early morning to late evening.

Urban City Mechanical Heating & Air Conditioning service is an AC repair company based in Oakland, CA. They provide same-day diagnosis and repair services to quickly identify and fix common AC problems such as wiring, thermostat issues, and sensor malfunctions. The company focuses on affordable and practical repairs rather than pushing full system replacements.

Refreshed Heating and Cooling is an HVAC contractor based in Oakland, CA. They specialize in air conditioning and furnace installation, as well as HVAC tune-up services. The company follows factory recommendations for annual equipment maintenance to help prevent breakdowns and maintain warranty validity. Refreshed Heating and Cooling serves the East Bay area and offers financing options for their services.

Hassler Heating and Air Conditioning, LLC is an HVAC company serving Oakland, CA, and the surrounding East Bay area, including Alameda, Contra Costa, and Marin counties. They provide residential heating and cooling services such as air conditioning, furnace, and heat pump installation and repair, as well as indoor air quality improvements and home performance upgrades. With over 25 years of experience since 1999, Hassler Heating and Air Conditioning specializes in energy-efficient HVAC solutions and helps customers access rebates and incentives for upgrades. The company also supports home electrification initiatives and offers weekend appointments to accommodate busy schedules.

Cali HVAC is a licensed and insured HVAC company serving Oakland, CA, and the broader Contra Costa County area. They provide a wide range of services including air conditioning, heating, duct services, thermostat installation, indoor air quality improvements, and commercial HVAC solutions. As a Carrier Factory Authorized Dealer, Cali HVAC installs premium heating and cooling systems from trusted brands like Carrier, Daikin, and Goodman, ensuring expert installation backed by secure warranties. The company emphasizes tailored solutions for homes and businesses and offers same-day service when possible along with weekend appointments.

Chill-Hub HVAC and Refrigeration Service provides HVAC repair, installation, and tune-up services in Oakland, CA, and surrounding Contra Costa and Alameda Counties. They handle air conditioning, furnace, heat pump, and refrigeration systems with thorough inspections to prevent costly breakdowns. With over 20 years of experience, Chill-Hub offers transparent pricing and expert service using top-rated brands to ensure reliable system performance.

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.

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.

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.

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.