ACHR News : Shedding Light on VRF Misconceptions

This is a pretty good article on VRF systems. It's not really about the operation or efficiency it's about the importance of details that need to be followed. We have installed and completed start-up for a few manufactures and have service agreements for at least one system of all the manufactures mentioned.We have completed both design build VRF systems and plan and spec VRF systems.  

http://www.achrnews.com/articles/121418-shedding-light-on-vrf-misconceptions