FAQs

Filter Replacement Instructions

Make sure your HVAC system is turned off by setting your thermostat mode to OFF (not heat or cool).

Select your HVAC system type for detailed instructions:

Cold air return on wall or ceiling:

1. If the Gateway is mounted to your air return grille, remove and place in a safe location.
2. Remove the grille. This may require opening levers or removing screws.
3. Remove the smart filter.

Woman installing Woosh Smart Filter

4. Open the frame by unlocking the three snaps on the front edge as indicated by the three arrows.
5. Remove the old filter. Fold it in half, roll it up and toss it in the trash.
6. Place the new filter in the frame, taking note of which side is printed with “THIS SIDE UP”.
7. Close the frame, fastening the three snaps on the front edge as indicated by the three arrows.
8. Install the frame containing the new filter with the “Air Flow” arrow pointing in.
9. Close the grille and secure with levers or screws as required.
10. Reattach the Gateway to the grille by the magnets on the front face.

Gateway installed on filter grille

Inside furnace or HVAC unit:

  1. Locate your filter, typically within the blower compartment of your furnace or HVAC unit. You may need to remove a door or panel for access.
    1. Vertical unit with air flowing up: usually located behind the door at the bottom. This configuration often requires removing both the top and bottom doors.
    2. Vertical unit with air flowing down: usually located behind the door at the top. This configuration typically requires two filters.
    3. Horizontal unit: usually located in a sliding rack on the side.
  2. If the Gateway is mounted to the door or panel, remove and place in a safe location.
  3. Remove the filter frame.
  4. Open the frame by unlocking the three snaps on the front edge as indicated by the three arrows.
  5. Remove the old filter. Fold it in half, roll it up and toss it in the trash.

Woosh filter change instructions

  1.  Place the new filter in the frame, taking note of which side is printed with “THIS SIDE UP”.
  2. Close the frame, fastening the three snaps on the front edge as indicated by the three arrows.
  3. Install the frame containing the new filter with the “Air Flow” arrow pointing in the direction of air flow.
    1. Vertical unit with air flowing up: arrow points up.
    2. Vertical unit with air flowing down: arrow points down.
    3. Horizontal unit: arrow points in direction of air flow.
  4. Replace any doors that were removed.
  5. Reattach the Gateway to the door by the magnets on the front face.