VRF Piping Hangers and Expansion Loops When hanging or fastening VRF copper refrigerant piping that involves long runs, then some form of considerations needs to be made for expansion due to temperature differences. If no allowances are made for expansion in...
Reftekk Bendable Piping

Reftekk Piping

Reftekk Integrated Piping Solutions You may have heard of ZoomLock and LokRing for refrigerant pipe fittings, but have you heard of Reftekk? The Reftekk Bendable Piping Solution is another way to reduce installation labor for Refrigerant...
ASHRAE looked at three types of flame-free mechanical joints that are used in refrigeration and air-conditioning systems, which included; Press/crimp fittings, compression fittings, and flare fittings. They also included a brazed joint as a bench mark against the time...
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...
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...
Rooftop VRF Fan Coils The latest in VRF innovation is coming this summer with the introduction of Carriers Rooftop VRF Fan Coils that will replace existing HVAC Rooftop Packaged Units. Instead of replacing the HVAC rooftop packaged unit with another...
ZoomLock Max vs RLS

RLS vs ZoomLock Max

On August 13, 2020, the inventor and manufacturer of the original ZoomLock fittings – RLS, LLC – announced it was ending its relationship with Parker-Hannifin and will no longer supply its fittings to Parker to sell under...
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...
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...
Bacharach - Refrigerant Leak Detector

Refrigerant Leak Detector

Refrigerant Leak Detector The Bacharach MVR-300 Refrigerant Leak Detector is described below. Also available in the link below is the specification sheet for the newest VRF Refrigerant Leak Detector to the market, the SensAC. Alarms You can have the alarm shut down...