In small buildings, a single zone air distribution system with a master thermostat regulates the temperature for the whole building. Single duct systems may serve one or many zones. Single duct systems have a very low first cost. 

The CAV (Constant Air Volume) system is the simplest central air-conditioning system. Single-duct CAV systems supply conditioned air at a constant temperature through a low-velocity duct system.

Single duct VAV (Variable Air Volume) systems are the most common system for new institutional and office buildings where precise control is not critical. 

Cove.tool supports single duct systems with
a. Water Cooled Chiller / Electric Boiler.
b. Water Cooled Chiller / Gas Boiler.
c. Air Cooled Chiller / Electric Boiler.

Find out more about Single Duct Systems here.

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