Policy-driven and locally built: How a Somerville firm is helping Mass. hit its climate goals

Policy-driven and locally built: How a Somerville firm is helping Mass. hit its climate goals

If you ever think about your home’s water heater, the chances are pretty good that it only happens when the temperature of your morning shower abruptly shifts from luxuriously warm to jump-out-of-your-skin cold.Michael Rigney, on the other hand, spends a lot of time thinking about water heaters: Mainly, how to make them better and more environmentally friendly.