A Halifax-based engineer has looked to the sea for an energy-efficient solution to heating and cooling a 500,000-square-foot mixed-use complex under construction on the city’s waterfront. The system follows the principle of geothermal heating/cooling but uses seawater, instead of groundwater from deep in the soil. “Twelve metres below the ocean’s surface, the temperature is fairly … Continue reading Engineer looks to the sea for heating and cooling Halifax’s Queen’s Marque