What is the average water heater size

But if you rarely use more than one hot water appliance in the same hour, you might need a much smaller tank. That said, before you buy a water heater, you should be very sure that the tank size is accurate for you. Peak hour demand refers to the maximum amount of hot water you need measured in gallons during the busiest hour of your typical day.

All water heaters have an FHR first hour rating. Based on average ground water around 50 degrees, here are the sizes you would need for a tankless unit based on your usage:. We hope this guide has helped clarify the different factors and sizes you should consider before purchasing a new water heater.

At Total Home Supply, we carry an assortment of both storage tank and tankless water heaters , all available with free shipping to anywhere in the contiguous United States. If you need additional assistance before making your purchase, contact us. Our in-house experts will be happy to help you find the right unit for your water heating needs. Pros: More energy efficient. Hot water on demand. Cons: Offer a limited amount of hot water per minute. Not ideal for everyone. We offer free estimates on water heater replacements.

So we come to your home, ready to install, but give you a full cost-breakdown before you pay a penny. Rated by their gallon-capacity, water heaters most typically come in the following sizes:. Most homes have either a gallon or a gallon water heater. Larger tanks are generally used in homes that have a hot tub, or with serious hot water demands.

We generally recommend swapping an existing tank with an equally-sized new one, but if you consistently run out of hot water, you should consider upgrading to a larger tank. Our experienced installation coordinators and service technicians will walk you through all the details of your water heater installation or repair. There is a higher rate of energy transfer with electric tanks because the heating element is submerged in the water tank, but water with a gas tank is heated with an element located beneath the water.

Even though electric water heaters have higher efficiency ratings, they are more costly to operate because electricity is going to cost consumers more than gas. This is just one of the reasons that many local governments and utility companies urge residents to choose gas over the two options. Whichever type of water heater you choose, having the highest efficiency rating possible means that you will waste less energy when you heat the water for your home.

You can expect recovery rates of gallons with electric tanks and gallons with gas tanks. In countries that instead use the metric system, the holding capacity of a water heater is measured in Liters. Using the chart above, add the average gallons of hot water per usage of these devices using the.

For example, say two showers are taken and in between, the washing machine is started. Together that equals 72 gallons of hot water needed. In most cases, you would need a gallon tank water heater in this situation considering most gallon models have a lower FHR. An average family of four would use somewhere around gallons of water per day for dishwashing, showering, washing laundry, etc. A couple living in an apartment might use half of that whereas a family of six might use up to gallons per day or more.