Water Heaters Only, Inc. is a full service water heater repair, replacement, and installation company and we have been serving Fremont, Hayward, Union City, Castro Valley, and Newark since 1968. We offer residential, commercial and tankless water heaters for installation and we are licensed, bonded and insured in Fremont. We specialize in all aspects of water heater replacement and repair service and we are considered an expert in the industry. We guarantee the highest quality work for the lowest price. Our years of experience, along with the use of quality products and pride in our workmanship, keep our valued customers calling us for all their hot water needs.

Fremont | Hayward | Union City | Castro Valley | Newark

If you are looking for a water heater company that you can trust ­– and that will give you the guaranteed lowest written price and also save you time – then you should read through our reviews. You won’t have to read many to realize that our customers consider us the best around. We know that when our customers need hot water they don’t want to wait, so we set up our business to be open around the clock no matter what day it is and we never charge extra fees for holidays, nights, or weekends. Water Heaters Only cares a great deal about our customer feedback and when we get suggestions for improvement, we step up and change the way we do things so that we can serve our customers even better the next time.

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Water Heaters Only, Inc.'s Happy 5 Star Rated Customers. Fremont Water Heater Repair & Replacement

Our Dedicated Customer Service

Our guaranteed satisfaction has been in operation since Water Heaters Only opened in 1968 and, based off of our exemplary high ratings, we seem to still be living up to that ideal! This guaranteed satisfaction is evident when you see our costs, fast service, and our superior work; but, what really drives this guarantee is our customer service and our commitment to quality work. We encourage you to browse our website to find out more about our company and please read our valued customer reviews to verify for yourself why Water Heaters Only, Inc. is the best choice for your water heater needs. For immediate water heater service 24 hours a day 7 days a week, please contact us directly at (510) 791-2455.