video

Engineering Videos

The latest in VRF videos about the VRF Industry, VRF Equipment and VRF Systems
Refrigerant Recovery Speed Using the 80/20 rule, where we assume that 80% of the refrigerant recovered will be in vapor form and 20% will be recovered in liquid, we have created the following chart....
Why its important to purge ACR piping in a VRF system
what is vrf variable refrigerant flow

What is VRF?

VRF Wizard provides all information about Variable Refrigerant Flow (VRF) technology. We cover everything you need to know about installation, cost estimation, project tracking concerning VRF systems. Continue reading to learn what a VRF system is all about. A VRF...
Ventilation for VRF Systems Ventilation (outside air) can create havoc on occupant comfort if your VRF system isn’t sized or capable of handling the latent (moisture) content of the outside air. We will cover...
VRF Heat Pump or Heat Recovery (How to choose between a VRF Heat Pump or Heat Recovery System) or Packaged DX Scroll to the bottom if you prefer to watch the video.
VRF-Compressor-Types

VRF Compressor Types

The compressor is the heart of the system and is located within the Outdoor Unit which can be an air or water-cooled VRF system. The Outdoor Unit will serve multiple indoor units with each VRF manufacture limiting...
VRF Central Controller

VRF System Controller

Find comparison on VRF System Central Controllers for all major manufactures. Daikin, Carrier, Toshiba, Panasonic, Mitsubishi, Trane, York, LG, Fujitsu, Lennox, The following is a look at Touch Screen VRF Central Controllers that are available...
Tenant Submetering How do you bill tenants for their share of the use of a piece of air conditioning equipment that is shared amongst more than one tenant in your building? If you have a VRF Air Conditioning system, where...
VRF Piping Layout

VRF Piping Layout

Manufactures VRF Piping Layout Drawings The VRF Piping Layout is highly engineered by the VRF manufactures software to design the pipe sizes to meet the capacities and conditions required, including ASHRAE 15. The pipe sizes are affected by capacity, pipe lengths and...