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Tankless water heater mounted on green tiled wall

The Many Benefits of a Tankless Water Heater

A tankless water heater is just what it sounds like — a device capable of generating hot water without needing a tank to store it in. A conventional water heater will store water in a tank and heat it to a desired temperature. A tankless unit, on the other hand, will heat the water as it’s needed. Here are a few reasons why more and more homes and businesses are utilizing tankless water heaters instead of more traditional options.

Hot Water On Demand

With a conventional water heater, once the tank is empty, water needs to be heated again before it's available — something that can take some tanks hours to do. With a tankless unit, water is heated the second it’s needed.

Water Usage

With a conventional water heater, it may take a few minutes for the heated water to travel from tank to tap. A tankless unit will supply water heated to the desired temperature almost immediately, saving all of the water that is wasted with a conventional unit.

Floor Space

A tankless unit can hang on the wall rather than sit on the floor like a conventional water heater. Taking up less space, a tankless unit is ideal for smaller spaces. Also, if the water heater is in the basement, the unit hanging on the wall would be much less likely to be damaged in the event of a flood.

Energy Efficiency

A tankless water heater costs less than a conventional water heater to run. Instead of heating and reheating water in a tank to maintain the desired temperature, a tankless unit will only turn on when needed.


Because a tankless unit only operates when needed, it's not releasing nearly as many carbon dioxide and nitrous oxide emissions into the atmosphere as a conventional water heater would.

At Mr. Rooter, we can easily take care of all your plumbing needs. Give us a call today and let us show you how we have earned our reputation for providing honest, prompt, reliable service since 1970.