Tankless Water Heater Sizes

How to select the right size tankless water heater.

Tankless water heater sizes.

Check out our tankless water heater buying guide for help figuring out what will best suit your needs. Since tankless water heaters supply endless hot water you don t have to worry about capacity but instead think in terms of water flow rate. Choose the right tankless electric water heater for you. Like a hot water tank for 5 people will require at least a 60 gallon tank.

The right size is a tankless water heater that can heat enough gallons of water to a specific temperature per minute to keep up with the demand. Tankless water heater sizing guide for residential applications. Gallons per minute gpm is the key when it comes to sizing tankless water heaters. Just follow the three simple steps below to choose the right model and size you need.

If you want to upgrade your water heater size from 40 or 50 gallons storage water heater or replace it you won t necessarily need a big tankless water heater. Not sure how to decide amongst the choices here. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. Just follow the three simple steps below to choose the right model and size you need.

Electric units have measurements in the 10 inch high to 7 inch wide range while gas fired. Then add up their flow rates gallons per minute. Rheem tankless electric water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings. Now that this family can answer the question what size electric tankless water heater do i need they just need to pick a good tankless water heater.

One option would be the rheem rtgh 95dvln 9 5 gpm indoor direct vent tankless natural gas water heater. Select your region click on the map below to identify the region where you live. Select the number and type of each fixture that your household typically uses simultaneously. Ecosmart tankless water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings.

Simply locate the appropriate water heater sizes on ecomfort using your information. Determine the maximum number of devices you want to run and their total flow rate. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted.