Traditional water heaters store heated water in a tank, whereas tankless water heaters operate differently by heating water as it flows through the unit. This on-demand design can offer practical advantages, but the system must be selected and installed to meet your property’s hot water needs.
Before making the switch, consider these important factors:
- Hot-Water Demand. Tankless water heaters are rated according to how much hot water they can produce at a given time. The number of bathrooms, fixtures, appliances, and the number of simultaneous users should all be considered when selecting a unit.
- Available Space. Without a large storage tank, these systems have a more compact design. This can make them useful when floor space is limited or when you want to reclaim the area occupied by an older tank.
- Energy Usage. Since tankless water heaters heat water only when needed rather than continuously storing it at a set temperature, they can reduce standby energy loss. Actual savings depend on the unit, usage patterns, fuel source, and other property-specific factors.
- Installation Requirements. Converting to a tankless system may involve changes to gas lines, electrical service, venting, or other components. A professional evaluation can determine what your property requires.
- Ongoing Maintenance. Mineral deposits can accumulate inside the heat exchanger, particularly in areas with hard water. Routine flushing and inspection help the unit continue operating efficiently.
Tankless water heaters aren’t one-size-fits-all solutions. Proper sizing is essential for maintaining consistent flow and temperature when multiple fixtures are in use.
At Danny Eaton Plumbing, we install, repair, and maintain tankless water heaters. Our team can evaluate your current setup, discuss your water usage, and help you determine whether an on-demand system is the right investment for your property.


