For years, Soleus Air has been a trusted manufacturer of eco-friendly residential appliances. This innovative company is dedicated to home comfort and energy efficiency. Soleus through-the-wall air conditioners provide maximum cooling for spaces up to 425 square feet. These room air conditioners feature 24-hour timers, auto restart, energy saver modes, and remote controls. Soleus Air through-the-wall air conditioner units are easy to install with thru-wall sleeve accessories, sold separately.