MILWAUKEE — Johnson Controls announced that it has opened a new variable refrigerant flow (VRF) training facility in Dallas. The company said the 12,600-square-foot education center will help HVAC ...

With all its piping, brazing, sophisticated controls, and new-age software, variable refrigerant flow (VRF) may seem like a daunting technology to some contractors. And while it does take some time to ...

R290, commonly known as propane, has a long history as a refrigerant and is now seeing renewed adoption in heat pump systems ...

This paper describes the recent efforts on developing an automotive climate control system throughout integrating an electrically-controlled variable capacity scroll compressor with a fuzzy logic ...