Hot Water Tank Size Calculator Australia

Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications.

Hot water tank size calculator australia.

How to determine the size of a water heater tank. Total volume of a cylinder shaped tank is the area a of the circular end times the length l. It depends on the tank capacity source of heat burner or element and the size of the burner or element. This size tank is one of the most competitive sizes in the industry meaning you are bound to get the best price per litre on them.

Taking a 4 person household for example located in rural victoria with 452 litres usage a day and an average roof area of 200m2 we can head over to the alternative technology association s. As a rule of thumb households with a higher demand for hot water will need to install more or larger solar collector panels or evacuated tubes on the roof. V tank π r 2 l calculate the filled volume of a horizontal cylinder tank by first finding the area a of a circular segment and multiplying it by the length l. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements.

Before buying a tank water heater most homeowners want to get a rough idea of the water heater size their family needs. The energyguide label lists the first hour rating in the top left corner as capacity first hour rating. When selecting the size of the hot water cylinder a simple rule of thumb is that for a typical domestic household you should allow between 35 and 45 litres for every occupant. The first hour rating is the number of gallons of hot water the heater can supply per hour starting with a tank full of hot water.

With these two figures combined with your catchment area and water usage we can now calculate the optimum size for a water tank to suit your needs. This is probably one reason why our 5 000 gallon 22 500 litre tank and 5 400 gallon 24 500 litre tank outsell all other sizes. That said a mains pressure system can use about 18 litres of water per minute at 40 degrees celsius if a decent quality shower head is used. A π r 2 where r is the radius which is equal to 1 2 the diameter or d 2.

This is assuming 3 showers running simultaneously with 3 star water saving shower head.