The use of LED lights and daylight dimming and a highly efficient heat pump system further reduced the modular building's carbon footprint. (educationbusinessuk.net)
The aquarium and wildlife rescue center uses a unique heat pump system to cover 98 % of its heating needs. (treehugger.com)
Compared to conventional heating systems, a geothermal heat pump system generally stays on longer and warms air in lower temperature rises. (remonline.com)