1. Power Units: The power unit can be installed in a basement, garage, utility room or any other appropriate area. It is best to choose a location near an exterior wall, minimizing the length of the exhaust run.

2. Inlet Valve Locations: Inlet valves are usually placed on interior walls, in hallways, near doorways or close to the bottom of stairs. Potential furniture placement should be considered when determining valve locations. The objective is to use as few inlet valves as possible while providing whole-house coverage. Inlet valves can be situated between studs, clear of obstructions like plumbing, wiring, heating ducts, etc. They are typically positioned at the same height as electrical receptacles.

3. In-wall Tubing and Low-voltage Wiring: Tubing and low-voltage wiring are run in tandem to each valve location, speeding installation. Both are installed beginning with the inlet valve farthest from the unit.