#12. How long until I know whether or not the Weiss HVS unit is working?

Most homeowners notice a dramatic reduction in condensation and mould build up within a period of two-four weeks
Other Questions that might be of intrest ...
  1. Duct Size
  2. How simple is it to operate the unit?
  3. What is a Fan?
  4. Will the HVS System work the same with the internal doors closed?
  5. Do I need to switch the Weiss HVS off in summer?
  6. How does this system work?
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Due to the variation between cities and countries, we have to keep the advice fairly general, and you should check your local requirements.