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VRF Variable Refrigerant Flow

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...
The Mighty Bracket™ makes installations of wall mounted air conditioners capable of being done by one person safely. No need for someone to hold the wall mounted A/C unit like this guy below, while you make the piping 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...
ZoomLock Value Calculator Review The ZoomLock Value Calculator provides a quick way to analyze the cost difference between doing a project with brazed joints versus the ZoomLock press-fit connection method. In this article we will do a ZoomLock Value Calculator...
Bacharach - Refrigerant Leak Detector

Refrigerant Leak Detector

Refrigerant Leak Detector The Bacharach MVR-300 Refrigerant Leak Detector is described below. Alarms You can have the alarm shut down the fan coil and condenser, have it close solenoid valves and alert management through the BMS. There are 2-Stages of Alarm as shown...
ZoomLock Fitting Cost Analysis

ZoomLock Cost Analysis

ZoomLock Cost Analysis Determining if there is value in using a press-fit joint such as ZoomLock™ requires that you look at several factors that impact cost and quality. We covered the technical aspects of ZoomLock™ in another article; see ZoomLock...
ZoomLock vs Brazed Fittings. Which piping joint method is best for your project? There are several things to consider. What materials are the structure constructed of, and what is the occupancy of the building? If it is a wood structure then...
VRF System Control Wiring This VRF System control wiring is for a VRF VRV Heat Recovery System with single port branch selector boxes. The control wiring is very simple, it’s basically two 18 gauge wires that go from the thermostat...
VRF VRV System Cost Database

VRF System Cost

VRF System CostWe know that VRF system cost varies based on many factors which must be considered when budgeting or bidding on a commercial HVAC project. Of course, it’s not the best option to provide a GMP (Guaranteed Maximum...
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