David Heckler is President and owner of Comfort Supply Inc. With more than three decades of experience at his distribution business in Pittsburgh, Pennsylvania, David has led variable-refrigerant flow (VRF) projects throughout North America, notably installing the inaugural VRF system in the U.S. Contact him at dave@csipgh.com.
A visit to an ASHRAE event 30-plus years ago introduced David Heckler to VRF technology, and the distributor was won over. VRF systems now make up about half of his company’s business.