You’ve probably heard customers complain about running out of hot water. Michael Rigney believes that is now a problem of the past.
Rigney’s company, Cala Systems, offers a highly efficient, intelligent heat pump system that heats water based on the patterns of hot water use in each home and the priorities of each homeowner, such as the power output of their home solar system, greenhouse gas emissions from their local electricity, the changing price of their electricity, operation of a home battery or backup generator, and potential power disruptions in their area. The Cala Heat Pump Water Heater combines sensors,
















