What Size Tankless Water Heater Do I Need For 1 Bathroom

Since tankless water heaters don t store water you don t have to worry about capacity size.

What size tankless water heater do i need for 1 bathroom. What size tankless water heater do i need for a 2 3 4 bathroom house. Their compact size also means having to hide them isn t an issue like it can be with some tank. A low flow shower head may use 1 5 gallons of hot water per minute or gpm as it is called. Tankless water heaters sizes.

However you still need to be mindful of two factors. If you do the math for 50 temperature rise you need approximately 25 000 btu s per hour per gpm of water required which doesn t take heater efficiency into account but gives a good idea of the size of high efficiency heater needed. Tankless water heaters are great for saving money on water usage and are perfect for larger families when you need to draw hot water from two or more sources at a time or have a large jacuzzi tub in your bathroom. You just want a quick answer don t you.

Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate. Flow rate and temperature rise. Tankless water heater efficiency is determined by the water flow rates inside your home. If you re in a hurry mind checking out the start of this page.

To determine the water heater flow rate needed you ll want to add up the flow rates of all the appliances you plan to use at the same time showers washing. I ve put my product recommendations there. Tankless water heaters do not store hot water. The only way this bosch unit will work as a tankless water heater is if it only provides hot water to the shower or the bathroom where the shower is located in and a low flow 2 2 gpm shower head post 1992 is being used.

The first factor in choosing a tankless water heater is calculating the size of your hot water heater. Simply locate the appropriate water heater sizes on ecomfort using your information. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. While traditional tank water heaters are calculated by your family size a tankless water heater is calculated by the quantity and types of fixtures or appliances it will serve.

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. Instead they heat it as it s needed. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.