Water Heater Size Requirements

Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.

Water heater size requirements.

3 to 5 people 46 to 56 gallons. Smith who have built a global reputation for water heating innovation and efficiency. Pro size water heater sizing. However every family has different water demand requirements.

Usually most homeowners find that either a 40 or 50 gallon hot water tank is the best fit for their needs. Simply locate the appropriate water heater sizes on ecomfort using your information. Requirements of 40 ng j or 55 ppm requirements of 14 ng j or 20 ppm. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements.

2 to 4 people 36 to 46 gallons. 5 or more people over 56 gallons add 10 gallons per additional person. For a tank style heater household size is a simple indicator of hot water needs. It is the sole responsibility of the system designer to select the correct products needed for the specific application.

For example let s say you expect to simultaneously run a hot water faucet with a flow rate of 0 75 gallons 2 84 liters per minute and a shower head with a flow rate of 2 5 gallons 9 46 liters per minute. Pro size is the online water heater sizing software from a. 1 2 people you ll need a water tank with at least a 30 gallon capacity. The flow rate through the demand water heater would need to be at least 3 25 gallons 12 3 liters per minute.

Less than 2000 ft 2000 ft to 3000 ft 3000 ft to 4000 ft 4000 ft to 5000 ft 5000 ft to 6000 ft 6000 ft to 7000 ft 7000 ft to 8000 ft 8000 ft to 9000 ft 9000 ft to 10000 ft 10000 ft to 11000 ft 11000 ft to 12000 ft. Your space requirements after understanding your hot water needs and thinking through your priorities consider the amount of space you have available for a water heater. If you re going with a storage tank water heater here s a rough guide for storage tank capacity. 2 3 people you ll need at least a 40 gallon capacity tank.

1 or 2 people 23 to 36 gallons. This is as easy as heading down to the local planning or building department to ask for one. Consequently these are the two most frequently installed sizes. The first permit is for the water heater itself.

Determining these priorities helps you to not only determine water heater size but also the overall type of water heater that will be best for you. Typically residential water heater sizes range from 40 to 100 gallon tanks.