Stewart Heating, Plumbing and Air Conditioning has been providing HVAC services since 1974, serving Oakland, CA, and the surrounding Contra Costa County. They offer a range of services including air conditioning and furnace repair, installation, and tune-ups for residential, commercial, and industrial clients. The company is experienced in maintaining various HVAC systems and focuses on quality installations that meet unique design requirements. Stewart Heating also offers tailored maintenance plans to help prevent breakdowns and maximize system efficiency, supporting both plumbing and HVAC equipment.

Compliance Matters is a Stockton, CA-based company specializing in ECC Title 24 inspections, duct cleaning, and dryer vent cleaning for residential and new construction projects. They serve homeowners, contractors, and builders throughout Northern California, focusing on ensuring compliance with California's energy efficiency and safety standards. Their services include air duct cleaning to improve indoor air quality and dryer vent cleaning to restore proper airflow and reduce safety hazards. Compliance Matters also offers permit coordination and documentation review to support smooth project completion. The company is known for its contractor-focused approach and long-standing partnerships with HVAC companies.

Comfy Heating & Air Conditioning provides comprehensive HVAC services in Oakland, CA, including air conditioning and furnace repair, installation, and maintenance for both residential and commercial clients. Their certified technicians handle everything from seasonal tune-ups to full system replacements, focusing on thorough inspections and addressing issues like refrigerant leaks, electrical problems, and airflow concerns. The company also offers emergency heating and cooling services to ensure comfort year-round. Comfy Heating & Air Conditioning emphasizes safety and efficiency in furnace care and provides commercial HVAC setup and repair to minimize business downtime.

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.

Eagle Air is an HVAC company serving Fremont, CA, offering a wide range of heating and cooling services for homes and businesses. Their services include air conditioning repair, installation, and tune-ups, furnace repair and replacement, heat pump installation and maintenance, as well as ductless mini-split system design and installation. They also provide indoor air quality solutions such as air purifier installation and professional duct cleaning and sealing. With over 30 years in business since 1993, Eagle Air employs NATE-certified technicians and holds an A+ Better Business Bureau rating.

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.

VOLTA Heating, Air Conditioning & Appliance Services is an HVAC company serving Oakland, CA. They provide installation and repair services for heating, air conditioning, and appliances, covering major brands. The company offers professional consultations and estimates for HVAC installation and replacement. Their technicians are licensed, insured, certified, and background checked, ensuring qualified service.

All-Air Heating & Air Conditioning is an HVAC company serving Stockton, CA, specializing in air conditioning repair, installation, furnace installation, and HVAC tune-up services. They offer 24/7 emergency service and focus on diagnosing and resolving issues such as inefficient cooling, refrigerant leaks, unusual noises, and drainage problems. Their technicians are certified and background-checked, providing professional installation and repairs with a commitment to upfront pricing and customer protection on repairs.

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.