LWZ 180 / LWZ 280

Central ventilation unit with heat recovery for ventilating detached houses and small commercial properties.

Contemporary design with ergonomic programming unit and separate filter cover panel; can be used for detached houses and large apartments. Integral controller with multifunction display and seven-day program; can also be used as a remote control. Highly efficient backwards-curved fans with constant flow rate control. Highly efficient cross-countercurrent heat exchanger. Electric preheater in the form of a high-performance heating coil. Bypass damper in supply airline; integral humidity sensor in the extract airline. Straightforward filter replacement using combi filter cassettes. Fine dust filter available as accessory.

Backwards-curved, constant flow rate fans with flow rate control ensure a balanced air flow, thereby promoting efficient operation.

Installation in dwellings, utility rooms, basement rooms, etc. The air connections are located at the top of the unit; easy access to the electrical connection panel without having to open the unit; duplex sheet steel casing; visible surface in alpine white with powder coated finish.

If you're curious about the ins and outs of your heat recovery ventilation (HRV) system, we've compiled a list of common questions about your HRV system and provided clear, concise answers to help you better understand how it works and how to maintain it for optimal performance.