Profile: Johnson Controls Ltd. specializes in HVAC and building management systems. Our products include heat pumps, inverters, blowers, variable refrigerant flow systems, chillers, fan coils, heat pump chillers, air handling units, absorption chillers, water cooled & remote air cooled chillers, actuators, dampers, valves, sensors, thermostats, variable speed drives, digital video surveillance systems and fire safety services. Our heat pumps are electrical powered system that uses the mechanical compression technology to absorb the free energy from the environment to produce hot sanitary water and heating.