Variable refrigerant flow (VRF) technology was introduced in Japan in the 1980s, but was launched much later in the American market. Since it is still a relatively new technology here, many ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback