Active vs Passive Refrigerant Recovery The active removal of refrigerant from a system using Refrigerant Recovery Machines makes the process much easier than using passive methods. The removal of refrigerant from a system that is being repaired or replaced is...
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...
VRF / VRV manufactures require that you use their proprietary software to design the refrigeration piping for the installation of their VRF systems. You or your engineer will need to have a cooling and heating load to import or...
VRF VRV Advantages

VRF Advantages

VRF Advantages Heat Recovery units can utilize heat removed from zones providing cooling to heating zones requiring heat. VRF systems take up less room than other system types, freeing up valuable mechanical room space for other purposes. ...
lokring tool and fitting

Lokring Fitting

The LOKRING fitting is a Pressfit fitting used for many applications within many industries. We will be looking at the LOKRING for its potential use with refrigerants in the VRF/VRV industry. (Click here to Enlarge Lokring Infographic) Share this Image On...
Calculating Cooling Loads

Calculating Cooling Load

Calculating Cooling Load What exactly determines the size of the heating and air conditioning system and the required amount of air (CFM) to be delivered to the space? in this article we'll show you what goes into calculating the cooling...
When do you use a VRF Single Port vs Multiport Branch Selector Box? What’s the difference between a VRF single port branch selector box and multiport box? What does the branch selector box do? Which one requires more piping? The decision...
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