Tankless Water Heater Dimensions

Most rinnai tankless water heaters are only about the size of a rolling suitcase.

Tankless water heater dimensions.

For example you might not be able to run more than one shower at a time without someone getting an arctic blast of cold water. As an example i will show you what came out for me. Use our handy calculator to determine your needed flow rate and temperature rise then find models that match your needs. I live in boston so my groundwater temperature is around 47 f.

And your temperature rise which is determined by your incoming water temperature subtracted from your hot water setting. Some models can even be installed indoors or outdoors based on your needs. Therefore to size a demand water heater you need to determine the flow rate and the temperature rise you ll need for its application whole house or a remote application such as just a bathroom in your home. Not only are tankless water heaters more efficient they re also convenient for installation in small spaces.

Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate. Size matters when it comes to your tankless water heater. To learn find the right product go to our tankless water heaters page. In fact it is the most important part of choosing a new unit for your home.

Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. What size tankless water heater depends on your gpm at peak hot water demand.