Written by Vernon Trollinger No question is more likely to stir up a hornet’s nest of debate (if not brawl) among heating, cooling, and air conditioner (HVAC) professionals than “Which air … Read More

CLEAN AIR DOESN’T just give Americans a pleasant, smog-free view. It’s added an average of five months to our lives. In a study of three decades of health data from 51 … Read More