Reservoir raises $8M to make water heaters that people — and the grid — will actually want

Reservoir has built an ultra-efficient water heater that can predict hot water demand, store energy, and detect plumbing leaks throughout a home.

Source: [TechCrunch](https://techcrunch.com/2026/08/12/reservoir-raises-8m-to-make-water-heaters-that-people-and-the-grid-will-actually-want/)