Variable refrigerant flow (VRF) systems were first introduced to the HVAC community in Japan in 1980 as a highly efficient heating and cooling option in multi-zone comfort applications. It took the ...

Several factors are driving the popularity of this versatile technology in the selection of HVAC for student housing retrofits and group-up projects. Student comfort, system management and sound ...

VALLEY COTTAGE, N.Y. – Variable Refrigerant Flow (VRF) Systems is a mature heating, ventilation and air conditioning (HVAC) technology which simultaneously heat and cool area through extracting heat ...

As Qatar moves towards environment friendly and energy efficient air conditioning units, a new technology is becoming popular in the country. Variable refrigerant flow or volume (VRV/VRF) air ...

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 ...