How many Litres do you need for hot water system?
Hot water heater sizes start at around 25L and go up to around 400L. In between, there are lots of different options. It’s not simply a case of saying X number litres per family member….Electric hot water system.
| Number of people | Peak usage | Tank size |
|---|---|---|
| 5 – 8 | Low | 250 |
| 3 – 6 | High | 315 |
| Low | 160 | |
| 2 – 4 | High | 160 |
What is the smallest size hot water heater?
Frequently called a point-of-use or utility water heater, these units typically range in size from 2.5 to 19 gallons.
What size hot water system do I need for a family of 2?
Electric hot water size guide
| Household size | Electric storage hot water system size |
|---|---|
| 1 person | 25 litre |
| 1 – 2 people | 50 litre |
| 2 – 3 people | 80 litre |
| 3 – 5 people | 125 litre |
What size hot water heater do I need for a family of 5?
80 gallon
Water Heater Sizes For example, a family of 3 to 4 people should purchase a 50 – 60 gallon water heater. On the other hand, a household with 5 – 7 people may require a water heater with a 60 – 80 gallon water tank.
What size hot water tank is needed for a family of 4?
For a four-person family, a 50-gallon water heater is sufficient. 50-gallons is good if you’re using electricity, and 40 gallons will work for natural gas or propane. Families with more than five persons may benefit from an 80-gallon electric water heater or 50-gallon gas water heater.
How do I determine what size water heater I need?
Measure the amount of water and multiply by 60 to get the gallons per minute (or liters per minute). The flow rate through the demand water heater should be at least 3.25 gallons (12.3 liters) per minute. To reduce flow rates, install low-flow water fixtures.