This Keystone window and wall air conditioner combines powerful cooling and supplemental heating in one unit. With a 18,800 BTU cooling capacity and 16,000 BTU heating capacity, it delivers efficient performance for large spaces up to 1,000 square feet. Perfect for living rooms, apartments, or any room needing balanced climate control, this unit offers versatility and convenience. Its advanced features, such as the smart remote and energy-saving modes, ensure comfort without a steep impact on your utility bill.
  Ideal for both cooling and heating, the Keystone AC unit is perfect for homeowners and renters looking for an all-in-one solution. Whether you need to cool down on a hot day or warm up during cooler weather, this unit fits the bill. Designed to save space, it can be installed in windows or as a wall unit. The included window installation kit makes setup easy and hassle-free, while the smart remote ensures accurate temperature control. Keep your living space comfortable all year with minimal effort and cost.