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 ...

This article first appeared in Engineered Systems. View the original post in its entirety here. Variable refrigerant flow (VRF) systems were first introduced to the HVAC community in Japan in 1980 as ...

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 ...

The market in North America is further segmented into the US, Canada, and Mexico. In North America, VRF systems have gained tremendpopularity owing to the increasing awareness about energy efficiency ...