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...
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...
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...
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...
This formula will show you how to calculate the total heat transfer from a cooling coil. The calculation for this is as follows; BTUH(t) = CFM x 4.5 x
How do you increase individual control without adding additional indoor units? Daikin has a Zoning Kit that allows you to increase the amount of zones that are controlled by their own thermostat while using the same indoor...
Should you install a VRF Heat Recovery or VRF Heat Pump system for a Residential home or commercial property? We will discuss three options you have related to air-cooled split systems, not including rooftop...
Is your building too dry inside, thereby providing life sustaining low humidity levels for the Coronavirus or other viruses to live? Researchers at Yale identify low Relative Humidity as a potential culprit in sustaining the...
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. ...
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.