Topvex Tr 800 Na

Systemair Topvex TR

Topvex TR is a range of energy recovery ventilators capable of providing all tempered ventilation for the building. Common applications include offices, shops, banks, daycares, and similar facilities. The units are supplied pre-programmed, tested, and ready to install. The ventilators are specifically designed to meet stringent energy requirements with low energy use, high-efficiency energy recovery. Equipped with ECM fans, a pre-programmed ERV controller with BMS compatibility. 


  • Easy to inspect: To make inspections and maintenance even easier both fans and rotating heat exchangers are easy to remove. All electrical cables are fitted with quick connectors so the fans can be released quickly and easily.
  • Space-saving top connection: With Topvex TR, the ducts are connected on the top of the unit. These units take up little space and are easy to install in existing premises.
  • Easy to install: Topvex TR is easier to install, as you don’t need to hire cranes for lifting the unit into place or cut holes in the roof. With one unit placed inside the building, service and maintenance are also simplified.
  • EC fan motors: Unlike motors with frequency converters, EC motors ensure excellent efficiency even at low speeds. This contributes to low operating costs. EC motors are also very quiet when running at high and low speeds.
  • Pre-heater: The pre-heater enables the system to perform in extremely cold climates to preserve performance and ensure a continuous supply of air. It does this by warming the outdoor air before it enters the energy recovery wheel. The pre-heater is designed to keep the temperature above the frost threshold while remaining within the temperature range of the system.
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Hotel Ella

Under new ownership, the historic building known as Mansion at Judges’ Hill recently transformed into Hotel Ella. The building, located near the University of Texas campus in Austin, went through a multi-million dollar renovation into a boutique hotel that is named after the building’s original owner, Ella Wooten. DXS was named basis of design for the project, retrofitting the common areas with 10 tons of Daikin heat recovery. The ductless units that Daikin offers integrated nicely with the existing architecture of the historic building. As a bonus, the increased energy efficiency and use of VRF qualified the owner for Austin Energy rebates.
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