Keystone 12,000 BTU Through-the-Wall Air Conditioner with Supplemental Heat Capability

Keystone 12,000 BTU Through-the-Wall Air Conditioner with Supplemental Heat Capability is the 2nd highest-BTU of 4 ratings: BTU 12,000 BTU.

The Keystone 12,000 BTU Through-the-Wall Air Conditioner with Supplemental Heat Capability is a handy unit that helps you keep your space comfy all year long. This adaptable appliance offers a nice way to cool things down when it's warm out, and it even throws in some extra warmth when the temperature dips a bit. You can easily set it up to run just how you like it, with several cooling and fan speeds to pick from, plus an auto-cool feature that figures things out for you. It's also designed for easy upkeep, featuring a filter that's simple to clean and a handy reminder when it's time for a check. Plus, you can schedule it to turn on or off whenever you need it, and a remote control lets you tweak settings from across the room. The unit also remembers your preferences if the power happens to go out.