Reservoir raises $8M to make water heaters that people and the grid will actually want; plus, AI code-testing startup Blacksmith’s valuation jumps almost 10x

Reservoir has built an ultra-efficient water heater that can predict hot water demand, store energy, and detect plumbing leaks throughout a home. Also, Blacksmith says revenue has grown more than tenfold over the past year. Learn more about your ad choices. Visit podcastchoices.com/adchoices