Can I leave doors and windows open while operating my refrigerative air conditioning unit?
You can leave windows and doors open. However, it’s not recommended if you’re trying to heat or cool your home or single room. If you’re trying to cool down a room, it’s best to close curtains, blinds and windows during the hottest part of the day. This will keep your house cooler and prevent your air conditioner from having to work harder than it has to; ensuring long life.