This Friedrich Ductless Heat Pump Condenser Features ultra quiet operationwhich makes for comfort and convenience year round. In heating mode, this unit efficiently heats by using approximately 1/4 of the energy required by electric heat. Friedrich air conditioners are hard-working and hard-wearing. Our commercial-grade products are the first choice for tough environments, from oil rigs to the Kennedy Space Center. Constructed from the highest-quality materials and components, these units are built to exacting standards – yet they are among the quietest and most energy-efficient available.