Controls Group North America (CGNA) — a member-owned organization of wholesale distributors and vendor partners representing various industries, including HVAC, controls, building automation, refrigeration, combustion/burner boiler, industrial, and equipment — celebrated its 40th anniversary via a conference in Huntington Beach, California.
IEC Systems is a provider of turnkey proprietary and nonproprietary building automation systems (BASs) and a Distech Controls authorized system integrator.
Controlling the head pressure helps maintain pressure drop across the metering device and prevents the evaporator from freezing, in the case of air conditioning, and excessive freezing in refrigeration systems.