Tankless Water Heater Closet Size

I live in boston so my groundwater temperature is around 47 f.

Tankless water heater closet size.

What size tankless water heater depends on your gpm at peak hot water demand. Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate. 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. And your temperature rise which is determined by your incoming water temperature subtracted from your hot water setting.

Electric units have measurements in the 10 inch high to 7 inch. 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. Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand. As an example i will show you what came out for me.

Determine the mounting space tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. The international residential code irc specifically bans a storage closet as a location for a gas water heater. In fact it is the most important part of choosing a new unit for your home. Size matters when it comes to your tankless water heater.