Water Heater SAVES SPACE — no tank, so the compact design fits in tight spaces like cabinets and closets LIMITED LIFETIME WARRANTY — when you buy it, we back it, so you can be confident in the quality of our products WATER/ELECTRIC SEPARATION — the flowing water and the electrical system are isolated from each other Get hot water. Our tankless water heater doesn’t pre-heat and stores water like conventional models, so it uses less energy. The heatdesign gives you an endless flow without the need to run your faucet until the water warms up, so you use less. No tank means it installs right where water is used — under the sink, in a vanity — to save space. It’s the perfect upgrade for smaller or eco-friendly homes!