- Ann Arbor, Michigan, United States
- May 28th
New, never used Product Description The Vent-Miser Programmable Energy-Saving Vent lets you program your vent to automatically open and close, controlling airflow in unoccupied rooms to save you money. Shut down the heating or cooling in spare guest rooms; bedrooms during the day; kitchens, dining room, and office at bed time to prevent wasted energy. Running independently of your heating and cooling system, the V