How to determine the best electric tankless water heater?
Tankless water heaters are measured by the maximum possible temperature, which can rise at a given flow rate. Here are some points to help you measure one which will be the best electric tankless water heater for you:
- Determine the number of devices you want to run: This, along with their total flow rate will tell you the desired flow rate you will want to keep in mind while buying a water heater.
- Determine the needed temperature rise: For this, you need to subtract the incoming water temperature from the output temperature that you want. Start off with assuming that the water temperature is 50°F unless you know otherwise this will not let you undersize the unit.
These two major points will help you determine the exact size of the tankless water heater you want so as to get a unit which wills adequate warm your house.