The New Zehnder ComfoAir Q purification system is the next generation of heat and energy recovery ventilation units, a “quantum” leap over conventional HRVs/ERVs currently available on the market. The Q builds on the superior performance and established success of Zehnder’s ComfoAir systems with features such as improved heat recovery efficiencies, integrated humidity sensors and app-based controls to provide a world class, comfortable, healthy and energy-efficient indoor climate.