Ongaro & Sons is an HVAC installation and repair company serving Oakland, CA. They provide residential and commercial services including heating, cooling, plumbing, electrical, radiant, and solar system inspection, installation, and repair. Their capabilities include drain cleaning and electrical panel renewal, reflecting a broad skill set in HVAC and related trades. The company emphasizes hiring skilled tradespeople and staying updated on the latest technologies to ensure quality work.

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.

John Owens Services, Inc. provides comprehensive HVAC and plumbing services in Oakland, CA, focusing on heating, cooling, water heaters, and indoor air quality. They serve Sonoma and Marin counties with repair, installation, and maintenance for air conditioners, furnaces, heat pumps, boilers, and duct cleaning. Their approach emphasizes repairing equipment first to extend its life before considering replacement. The company is experienced in both residential plumbing and HVAC systems, offering expert leak detection, sewer and drain cleaning, and radiant boiler services.