TOSOT has over 20 years of experience in researching, designing, and manufacturing window air conditioners. A unit that is too large can cause you to spend more than necessary on your monthly utility bill if it's too small or too big - causing you more problems with your air conditioning system than you would like to deal with, so we've designed our unit to be as quiet as possible while cooling down your room. You can also reach out to our team directly to help guide you through the installation process. Click here to learn versiuneversiune this feature adjusts the temperature of the unit throughout the night to an optimal sleeping temperature, giving you a head start to the day when you rise in the morning. By using the iFeel function on the remote, your Air Conditioner will use the sensor to determine how long the AC unit operates - and every 10 minutes it will send you an alert if it is too hard to continue running. The TOSOT Window AC comes with two (2) separate horizontal louvers so that you can blow cool air in two different directions in your n-n TOSOT Window Air Conditioners also comes with a dehumidifier and fan mode. If you purchase one, you can get two other products for free by using the additional product features. Toso window air conditioners are energy star-rated and are available in black and white.