ClimateMaster Trilogy Packaged Systems are the most technologically advanced geothermal heating and cooling systems available for both new construction and retrofit applications. They incorporate a “Trilogy” of precision components (variable speed compressor, variable speed fan and variable speed water pump), the iGate® Smart Water Tank and the iGate® Connect web-enabled thermostat to provide the lowest operating cost of any heating and cooling solution. Trilogy 45 Q-Mode has been designated as one of the Most Efficient ENERGY STAR-certified products in 2017 for exceeding stringent efficiency requirements.