The SoleusAir 6400 BTU window-mounted air conditioner is packed with industry-leading features that are ready to use right out of the box. The smart design makes this air conditioner easy to install and simple to operate. It's equipped with electronic controls a programmable thermostat and a programmable timer to automatically turn the air conditioner on and off every day. You can rest easy knowing that if there is a power interruption while you are asleep or away from home this air conditioner will automatically resume operation once power is restored. It's like having eyes on your comfort at all times. Maintenance is made easy with the washable and reusable filter. Simply rinse every few weeks to keep your air conditioner at peak performance. Soleus air conditioners are built on quality and reliability that you can trust.