Did you know that the average household uses upwards of 60 gallons of water per person, per day? That’s a lot of liquid—and a lot of wastage. The good news is that there are easy ways to reduce how much water you’re using (and wasting), which can result in significant savings on your water bill. Here are five places in your home that you can start reducing your water usage.

Tankless water heaters are just what they sound like—hot water without a tank. Instead of heating water and then storing it in a large tank till you’re ready to use it, a tankless water heater heats on-demand, allowing for a steady flow of hot water whenever you need it. Tankless water heaters definitely offer some advantages over tanked heaters, including increased energy efficiency, a constant supply of hot water, and the ability to have multiple units in one house to maximize hot water production.

Experts say that a water heater will last anywhere from 6 to 12 years, on average. That’s a pretty wide margin, so it can sometimes be hard to tell whether an unreliable device needs repair or replacement. Here are five signs that it’s probably time to start looking into options for a new hot water tank.