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VRF Codes & Standards

VRF Codes and Standards

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...
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...
doas energy recovery

DOAS Energy Recovery

DOAS - Energy Recovery When is an Energy Recovery system required according to ASHRAE 90.1 (2013)? ASHRAE 90.1 2013 (Energy Standards for Buildings, Except Low Rise Residential Buildings) When using a VRF Dedicated Outside Air System (DOAS) to bring in ventilation air to...
VRF Ventilation

VRF Ventilation

VRF Ventilation The building requirement for ventilation air and the methods of delivering this air vary by geographic location. We’ll discuss several methods commonly found in various region of the United States. Indoor air quality (IAQ) is important for occupant...


VRF Systems and ASHRAE 15 & 34 When designing or considering the installation of a VRF (Variable Refrigerant Flow) system for a new building or a retrofit to an existing system, the ramifications of ASHRAE 15 can play a big...
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