At Keystone, your family’s comfort starts here. Keystone offers a full assortment of budget-friendly portable air conditioners for any room in the house. Portable air conditioners give you the freedom to choose what room to cool and when to cool it. A reliable solution to cooling a room without central AC, they are also great for reducing your central AC use by cooling the room you use the most. With easy-to-use features such as our convenient Follow Me remote control, you and your family can relax in cool, blissful comfort. All our portable AC models include caster wheels for easy movement and complete window venting kits for quick setup. Just roll it where you need it!