Water Heating Size Calculator
It is approximately the energy needed to heat one pound of water by 1 degree fahrenheit.
Water heating size calculator. Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications. Just follow the three simple steps below to choose the right model and size you need. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. You can estimate the necessary tank capacity in gallons based on the number of people in the house.
For practical purposes it should be precise enough. Typically residential water heater sizes range from 40 to 100 gallon tanks. Usually most homeowners find that either a 40 or 50 gallon hot water tank is the best fit for their needs. Tankless water heater sizing calculator use our sizing calculator to determine your.
To properly size a storage water heater for your home including a heat pump water heater with a tank use the water heater s first hour rating. The british thermal unit or btu is an energy unit. It is the way it is taught at school. The room s length width ceiling height and insulation as well as the lowest outside temperature are all considered on the total home supply calculator.
The calculators use the specific heat capacity of water of 4186 j kg c joules per kilogram per degree celsius. Choose the right tankless electric water heater for you. It is the sole responsibility of the system designer to select the correct products needed for the specific application. 1 btu 1 055 joules 252 calories 0 293 watt hour or the energy released by burning one match.
Once you punch in that information the calculator will tell you the btu hr required. However every family has different water demand requirements. It depends on the tank capacity source of heat burner or element and the size of the burner or element. Gallons per minute gpm is the key when it comes to sizing tankless water heaters.
The lowest price you can get for the highest gpm is easily the takagi t h3 dv n that will give you a whopping 10 gpm. 1 or 2. Flow rate and temperature rise where are you located. The heat capacity is largely constant in the temperature range that the calculators work 34 210 f or 1 99 c.
1 watt is approximately 3 412 btu per hour. For a tank style heater household size is a simple indicator of hot water needs. Write this number down and keep it handy as you examine your options. Rheem tankless electric water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings.