I love being able to have instant hot water. I use a tankless water heater, and waste a couple of gallons waiting for it to get hot. With instant hot, I can make tea rinse a quick dish, warm a mug or thermo cup instantly, no waste. Have only had a month so time will tell on the durability side. But seems well built. I had it installed by my builder, so don't know how hard it was to put in, but it looks straight forward.