System and method for mounting a fresh air exchanger to a window frame assembly

In combination:

• a fresh air exchanger;
• and
• a window-mounting and sealing system for installation of the fresh air exchanger in a window frame assembly having a moveable sash, the window-mounting and sealing system comprising:
• a mounting frame receiving the fresh air exchanger, the mounting frame having a first end and a second end;
• two end panels, each of the two end panels comprising a plurality of detachable sections for manually adjusting a width of each end panel;
• one or more connectors for connecting each end panel to the first end and the second end of the mounting frame;
• and
• one or more fasteners for mounting the system to a window frame assembly.

A method of installing a fresh air exchanger in a window frame assembly having a moveable sash using a window-mounting system, the system comprising a mounting frame for receiving a fresh air exchanger and two end panels, each end panel comprising a plurality of detachable sections, the method comprising:

• manually adjusting a width of one or both end panels to a selected width by detaching one or more of the plurality of detachable sections from one or both panels;
• connecting each end panel to a first end and to a second end of the mounting frame;
• fastening the window-mounting system to the window frame assembly;
• and
• mounting a fresh air exchanger to said mounting frame.