Stay cool this summer with the best window AC units! According to a recent test, the Keystone unit took the top spot for larger units, while the GE Profile AHTT08BC dominated among smaller units. The test also revealed that maintenance is key: cleaning your AC regularly can extend its lifespan. With prices ranging from $70 to over $200 per year, depending on size and efficiency, it's essential to follow the manufacturer's directions and consider factors like room size and electricity costs. Source: https://www.cnet.com/home/kitchen-and-household/best-window-ac-units/#ftag=CAD590a51e