Tankless Gas Water Heater Sizes

Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates.

Tankless gas water heater sizes.

Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. So i need to know what size tankless water heater is best for a family of 4. Rheem tankless electric water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings. 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.

Use our handy calculator to determine your needed flow rate and temperature rise then find models that match your needs. I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here. 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. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.

For example a 50 gallon tank water heater can be as much as six feet high and 22 inches in diameter. Simply locate the appropriate water heater sizes on ecomfort using your information. Gas tankless water heaters are able to produce a larger temperature rise per gpm than electric models. 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.

Tankless or demand type water heaters are rated by the maximum temperature rise possible at a given flow rate. Choose the right tankless electric water heater for you. Electric units have measurements in the 10 inch high to 7 inch wide range while gas fired. Looking to purchase a new tankless water heater but having trouble figuring out what size or model you need.

Just follow the three simple steps below to choose the right model and size you need. Rinnai tankless water heaters are designed to provide maximum performance and efficiency using either a 3 4 or 1 2 gas line as long as sufficient gas flow is available. Sizing tankless or demand type water heaters. Tankless water heaters are intended to heat potable drinking water only and the inlet water to a tankless unit should not be pre heated.