16+ Tankless Water Heater Size Chart. Web wondering what tankless water heater you need for your home? Storage and heat pump (with tank) water heaters.
Think about where you use hot water in your home so you can figure out how many devices you’re powering. Web the chart below shows the range of water usage range and average water temperatures for various fixtures. 37°f 42°f 47°f 52°f 57°f 62°f 67°f 72°f 77°f filter by brand: