There are many decisions involved with a water heater purchase, one of the most important aspects to make up your mind about being the size of the unit. Here is how to calculate the parameter correctly:
- Consider average water usage – on the average, people use about 10 gallons of water during a shower, but to calculate the tank capacity correctly, you will need to take into consideration that while someone is showering, others in the household might also need hot water somewhere else in the building. People who prefer soaking in the bathtub might need as much as 140 gallons of water at a time if the tub is large;
- The number of people who will use the water heater – a family of 3 or 4 members usually needs a heater with a tank of about 50-60 gallons, while a household of 5-7 people will need a tank that is able to hold 60-80 gallons;
- The number of water appliances used simultaneously – if you have 2-4 appliances used at the same time, you will need a larger heater;
- Contact a Christopher’s Plumbing licensed plumber for accurate calculation – you will need a plumber to install your heater, so you can ask the contractor to give you some advice about the ideal size of your heater, too.