Pleasanton Tankless Water Heater Service

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1-925-233-6980

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Pleasanton Tankless Water Heater Service

Your Local Plumbing Company For Water Heaters – Trusted Since 1968

Water Heaters Only, Inc. has proudly served the Pleasanton community for over 57 years, specializing in water heaterinstallation, repair, and replacement. As a Licensed Water Heater Plumbing company, we are committed to delivering energy-efficient solutions that fit your home and your budget—including modern tankless water heaters.

If you’re considering an upgrade to a tankless water heater, our team is here to provide expert advice, quality products, and even same day water heater replacement when needed.

Call 1-925-233-6980 to speak with a water heater expert today. Phones answered 24/7/365.

Why Tankless Water Heaters Are So Popular in Pleasanton

Tankless water heaters are an increasingly popular choice among Pleasanton homeowners because they provide hot water on demand without the need for a bulky storage tank.

Benefits of a Tankless Water Heater:

  • Endless Hot Water – Perfect for large families, tankless units provide a continuous flow of hot water—even during back-to-back showers or multiple appliance usage.
  • Space-Saving Design – Their compact, wall-mounted profile saves space in closets, garages, or utility rooms.
  • Energy Efficiency – Tankless water heaters operate at 80%–95% efficiency, using energy only when you need hot water—not for constant reheating like tank models.
  • Lower Utility Bills – By using energy more efficiently, homeowners can save up to 34% annually on water heating costs.
  • Eco-Friendly – Less energy use means a reduced environmental impact.

Sizing & Flow Rate – What You Need to Know

Unlike traditional water heaters that store hot water, tankless units heat water as it flows through the system. That’s why flow rate—measured in gallons per minute (GPM)—is key when sizing a tankless water heater.

Typical tankless flow rates range from 4 to 11 GPM.

  • For homes with multiple bathrooms or simultaneous hot water usage (e.g., shower + dishwasher), we recommend a 6 to 11 GPM unit.
  • Smaller homes or single-application setups may only need a 4–6 GPM model.

Need help choosing? Our expert technicians will assess your household usage and recommend the right model for your needs.