Though something of a misnomer, VRF and mini split heat pumps are commonly referred to as “ductless units.” These systems are much more versatile today than they were just five years ago. It’s hard to ...

The Diamond System Builder layout tool is an equipment selection software tool that makes it quicker and easier for engineers to design CITY MULTI® variable refrigerant flow (VRF) zoning and ...

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 ...