We replaced an aging 75-gallon tank water heater with a new tankless system, giving the homeowner a more modern and efficient hot water solution. The upgrade delivers dependable performance, added convenience, and long-term energy savings.
Tank water heaters store and reheat a fixed volume of water. When the household runs multiple showers, laundry, and dishwashing close together, that stored supply can run out. A properly sized tankless unit heats water on demand, so the household is not waiting on a tank to recover between uses.
What we completed on this job
- Removed the existing 75-gallon tank water heater
- Installed a new tankless water heater
- Updated the connections, venting, and related plumbing for a code-compliant install
What the homeowner gains
- Endless hot water for daily household needs
- Improved overall energy efficiency compared with continually reheating a large tank
- More usable space in the same closet thanks to a compact wall-mounted design
The homeowner can now enjoy continuous hot water without the worry of running out during busy mornings or back-to-back showers. It is a smart upgrade that adds comfort, efficiency, and value to the home.
Why homeowners switch from tank to tankless
A storage tank keeps 40–75 gallons hot whether you are using it or not. That standby heat loss shows up on the energy bill, and the tank still runs out when showers, laundry, and dishwashing overlap. A properly sized tankless unit heats water as it flows, which is why households often describe the change as “endless” hot water for normal simultaneous use.
The compact wall-mounted design also frees floor space in a closet or garage alcove that used to be filled by a tall cylinder, straps, and a drain pan. On this job, the same opening that held the 75-gallon tank now holds a much smaller unit with updated copper piping and venting.
What we check before recommending tankless
Not every home is ready for the same model. Gas line capacity, vent routing, electrical needs, and peak hot-water demand all matter. We inspect the existing setup, explain tank versus tankless options in plain language, and only recommend a conversion when the property can support a reliable install to code.
Considering a tankless water heater?
Not every home is a candidate for the same unit. Gas supply, venting path, electrical needs, and peak hot-water demand all matter. Drain Doctor Plumbing & Rooter evaluates the existing setup, explains tank versus tankless options in plain language, and installs the system to code.
We have served Covina, West Covina, Glendora, Walnut, and the wider San Gabriel Valley since 1996. Browse our water heater repair and replacement service, see more of our work, or contact us to schedule an assessment. Call (626) 332-9984 for same-day service when scheduling allows.