• BioSmart Technologies, LLC BBB Business Review
  • My BioSmart® Heater has been a hit in my house. Finally been “comfy”, even with this cold, endless Chicago winter.
    Harvey Wolf - ILLINOIS
  • CZ1500filter
  • CZ1000filter
  • UnitSizes

Electrostatic Filter for ComfortZone Heaters


Choose the filter that corresponds to the size of your heater (check the pictures if you’re unsure).