Cala Systems (Cala), creator of highly-intelligent heat pump water heaters that ensure comfort, save energy, reduce emissions, and integrate with the home, announced $5.6 million in seed funding and the commercial launch of its product. The round was led by the Massachusetts Clean Energy Center (MassCEC) and Clean Energy Venture Group, and included Burnt Island Ventures, Leap Forward Ventures, CapeVista Capital, Collaborative Fund, and Climate Capital.