Because the air is supplied directly into the occupied zone and close to occupants ... By comparison, overhead systems typically deliver 55 F (13 C) air at ceiling level. This supply temperature can ...

Here, we discuss how to find the perfect temperature for each of these scenarios as well as how to maximize the efficiency of ...

As much of the U.S. copes with stifling heat this weekend, air conditioners have been humming, aiding comfort and survival. But what's the best temperature setting ... off the system would cost ...