Sizing a tankless water heater involves determining the hot water demand for your home and selecting a unit that can deliver the necessary hot water flow rate. Whether buying a home with a tankless heater already installed or converting your tank-style heater, there are a few factors to consider.
Are you considering replacing your tank model water heater? The guys at This Old House explain how to install a tankless water heater.
Nothing beats a nice clean cool drink of water. However, if you own a tankless water heater, you’ll want to keep the heat exchanger free of lime and scale. You should flush it annually. Here are some basic steps. The pump and hoses will cost less than $100.