Tankless Hot Water Heater Electrical Requirements

How to determine the required size of a tankless hot water heater.

Tankless hot water heater electrical requirements.

Electrical requirements stiebel eltron tankless water heaters before purchasing a stiebel entron or any other electric tankless water heater please ensure that your home has sufficient electrical capacity for your desired model or that you have taken note of any upgrades that may be required. Installation requirements for our et 32 ep 7 0 and ep 2 4. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. The initial cost of a tankless water heater is greater than that of a conventional storage water heater but tankless water heaters will typically last longer and have lower operating and energy costs which could offset its higher purchase price.

Determine the mounting space. Measure your cold water temperature. For a household of one or two people a tankless electric unit will probably be adequate. Determine your water flow rates.

The higher the energy factor the more efficient the water heater. A tankless water heater will require a dedicated circuit as specified by the installation manual of the unit that has been selected. In order to ensure your safety and qualification for the limited lifetime warranty a licensed professional must install your system. Carpentry although you won t be working with wood you need to be familiar with levels to ensure a level base and may need to anchor pipes to ceiling beams.

Similarly you may need to manipulate drywall or other surfaces in a. Electrical even gas water heaters have electrical parts and need to be hooked up to your breaker box. Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models.