Profile: Total Environmental Kooling Limited designs, supplies and installs air conditioning, ventilation and renewable energy products. Our product line includes solar photovoltaic systems, panels, heat pumps, air conditioning and wind turbines. Our PV panels contain a series of cells made from a semi-conductor material that converts sunlight into energy. Our solar power panels are connected to a DC/AC inverter, which converts the direct current output from the panels into alternating current at voltages suitable for use in the building.