Danby 5000 BTU Window Air Conditioner With its affordable price, the Danby 5000 BTU Window Air Conditioner ($174, originally $200) is fan favourite (pun intended). It features a reusable, washable air filter and two-way air direction, making it a convenient little unit that will fit into almost any space. Image Source: amazon.com Danby 5000 BTU Window Air Conditioner $174 from amazon.com Buy Now