CHICAGO — There’s a lot of attention on IAQ in the HVAC industry, so Friedrich Air Conditioning Co. decided to command some of that attention to its booth at the AHR Expo, where the company unveiled its new packaged terminal air conditioner (PTAC) unit and its award-winning Variable Refrigerant Packaged (VRP) Heat Pump System.
“The quality of indoor air can be two to five times (and even up to 100 times) more polluted than the worst outside air,” according to the U.S. Environmental Protection Agency (EPA).