Schmitt Heating & Air Conditioning is a full-service HVAC company based in San Francisco, CA. Serving the entire San Francisco Bay Area, they provide a range of services including air conditioning and furnace installation, repair, and tune-ups. The company has been a part of the local HVAC industry since 1901, operating as a fifth-generation, family-owned business. Their long history reflects a strong commitment to quality and customer care.

J&J Air Conditioning is a mechanical contractor based in San Jose, CA, serving the Silicon Valley since 1978. They provide a range of HVAC services including air conditioning, furnace, heat pump, boiler repair and installation, as well as mini split and geothermal heat pump systems. Their team handles preventive maintenance, emergency response, and the design and installation of advanced HVACR systems.

All Temperature Service, Inc. (ATS) is a commercial HVAC and plumbing contractor based in San Jose, CA. They provide a full range of services including installation, repair, and maintenance of HVAC systems such as air conditioning, furnaces, heat pumps, and boilers. ATS specializes in large-scale projects and retrofits, offering precise engineering and reliable system design for new constructions and existing facilities. With decades of experience, their unionized technicians deliver tailored HVAC and plumbing solutions across the San Francisco Bay Area.

ON TIME HVAC SF provides commercial refrigeration repair, kitchen exhaust ventilation repair, and heating and air conditioning services in San Francisco, CA. Their EPA-certified technicians have at least 10 years of experience and serve the San Francisco Bay Area, including San Mateo and Oakland, ensuring timely repairs for local businesses. The company specializes in servicing walk-in coolers and freezers, commercial reach-in fridges, ice machines, and restaurant kitchen hoods. They offer emergency service on weekends and focus on clear communication and customer approval throughout the repair process.

Bell Brothers Plumbing Heating & Air - Concord provides HVAC tune-up services in Oakland, CA. They offer annual maintenance plans that include two tune-ups-one for air conditioning and one for heating-along with plumbing inspections to help maintain system efficiency and detect issues early. The company is recognized for quality and customer satisfaction in the East Bay area.

ACME Boiler & Water Heating Company is a family-owned business based in San Jose, CA, specializing in boiler repair and installation. They provide services focused on maintaining and maximizing the efficiency of name-brand water heater systems, serving industries where boiler downtime can cause significant disruption, such as hospitals, schools, hotels, and restaurants. The company employs factory-certified technicians and offers expertise in routine maintenance and emergency repairs to help reduce costly shutdowns. With over 35 years of industry experience led by CEO Steve Ciari and a multi-generational team of technicians, ACME Boiler & Water Heating Company combines hands-on field knowledge with engineering and project management skills.

Copeland Mechanical Inc. is an HVAC company based in Fremont, CA, offering a range of heating and cooling services including installation, repair, and maintenance of air conditioners, furnaces, heat pumps, and HVAC systems. The company emphasizes skilled workmanship using quality tools and materials, ensuring thorough inspections for optimal system performance. They provide a variety of HVAC services tailored to customer needs and maintain reasonable pricing without unnecessary add-ons.

Sears Heating and Air Conditioning provides comprehensive HVAC repair and installation services in Fremont, CA. Their certified technicians handle a wide range of heating and cooling systems, including furnaces, central air conditioners, heat pumps, boilers, and mini-split units. Sears offers accurate diagnostics, component replacement, and regular maintenance to ensure system efficiency and longevity. With over 100 years of experience, they use genuine manufacturer parts and provide certified installations. They also offer same-day and next-day appointments for many services.

MAKO Heating, Cooling & Electrical provides comprehensive HVAC and electrical services in San Francisco, CA. They offer air conditioner and furnace repair, installation, and maintenance for both residential and commercial clients. Their services include HVAC system installation, electrical panel upgrades, EV charger installation, and circuit troubleshooting. The company uses advanced diagnostic tools to accurately identify issues and deliver durable solutions that improve system efficiency and safety. Operating since 2017, MAKO SERVICE is a fully licensed contractor known for handling a wide range of projects, from minor repairs to full system replacements. They provide service seven days a week to accommodate customer needs.

Rivers Plumbing, Heating And Air is a family owned and operated company serving Fremont, CA, and surrounding communities with over 35 years of experience. They provide a range of services including air conditioning and furnace repair, HVAC installation, indoor air quality solutions, and regular maintenance. Their licensed contractors handle both residential and commercial projects, offering expertise in plumbing as well as heating and air conditioning systems. Rivers Plumbing, Heating And Air is known for offering arrival time windows and same-day service to accommodate customer schedules.