What to do if Keystone Air Conditioner is not cool enough?
- Ccharles84Aug 5, 2025
To improve cooling with your Keystone Air Conditioner: * Ensure all windows and doors in the room are closed to keep the cool air in. * Connect the exhaust air duct properly, ensuring it's not blocked. * Lower the set temperature on the unit. * Clean the air filter if it's dusty.










