Quietmaster® TechnologyEngineered for quiet performance with superior components. As much as 45% quieter than competitor’s products. Steel inner wall and extra dense insulation blocks outdoor noise Vibration isolating design and components reduce operating noise Precision engineering delivers maximum air flow and air dispersion at low sound levels Smart Wi-Fi Control with Voice CommandHome or away, you’re in control with the FriedrichConnect® App. Integrated Wi-Fi control from your smartphone and voice command compatible. New intuitive platform. Simplified 7-day programmability. With our advanced grouping program, you can control multiple units to work independently or as a single system. You can even invite other users to manage one or more of your units.Commercial Grade Quality & DurabilitySuperior components and construction. Attention to every detail. Every aspect of Kühl is ultra-premium, outside and in, down to the tiniest component. Constructed with only the finest-quality materials, Kühl is extremely durable and designed to withstand tough use in virtually any commercial setting.Smart & Sustainable Heat PumpKühl offers both electric and heat pump options. Heat Pumps provide energy-efficient heating by extracting heat from the outside air. They can be used for primary heating in moderate climates and as supplemental heating in colder climates. 230-volt models have backup electric heat that will activate when outside temperatures are too cold for efficient heat pump operation.Superior Air Filtration​All Kühl units are designed with a unique fresh air intake and stale air exhaust, for improved air quality and circulation. The equipped washable air filter and check filter reminder make fresh air maintenance easy.InstallationKühl units are designed with a slideout chassis for more permanent installation and easier access for maintenance. Heavy duty window installation hardware is included with Kühl units and an optional accessory for Kühl+ units.