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...
Refrigerant Monitoring Code Requirements
ASHRAE 15 requires the monitoring of refrigerant leaks under certain conditions within a mechanical room, but what about an occupied space where refrigerant is circulated through VRF/VRV (Variable Refrigerant Flow) Indoor Fan Coils? When is a...
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...
Having an HVAC VRF Estimating Spreadsheet that automates portions of your estimates saves you valuable time that you could use to make more sales. All aspects of the cost of furnishing and installing a VRF or HVAC system is contained in...
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...
