I put one in my room because my hubby and I have very different thermostats (he is wearing sweaters now while I am burning up...summer is not even here yet). In order to save my sanity and his noggin, I put in a window unit. Why didn't I think of that 2 summers ago? Also have my own little auxiliary heater for winters. In winter he wants to lower the thermostat and adds more sweaters. Heaven help me!