Searching for the top Water Heater Repair Companies in San Diego, CA? LocalSpark® has researched the top water heater repair technicians in San Diego. Maintaining your home or business’ water heater is essential. Being proactive with water heater maintenance can keep your system running smoothly. It should be easy to find a reliable service provider near you. Looking at a company’s social media profiles and getting a better idea of their experience lets you predict the type of experience you’ll have from using their services. LocalSpark® has done the research and has put together a database of the best water heater repair technicians in San Diego, CA.