Variable refrigerant flow (VRF) systems are really no different than more traditional HVAC systems when it comes down to good installation practices. If a system is not installed correctly, then it ...

Seeking increased business opportunities, contractors can look to variable refrigerant flow (VRF), a growing segment in the HVAC marketplace, as an added piece to their business arsenal. Why VRF? “If ...

This story is about good intentions gone bad during a VRF installation for a new 73,890 square for LEED Platinum middle school that opened in the fall of 2017. The construction cost was $30 million, ...