Unit Ventilator

Definition

A unit ventilator is a fan coil unit (FCU) with an opening through an exterior wall to admit outside air.

Purpose

Unit ventilators are used to provide heating, cooling, and ventilation in individual rooms or zones. They offer a simple and efficient way to control the indoor climate while allowing for the introduction of fresh outdoor air.

Examples of Use

• Classrooms: Installing unit ventilators in schools to control temperature and provide fresh air in each classroom.
• Offices: Using unit ventilators in office buildings to maintain a comfortable indoor environment and improve air quality.
• Hotel Rooms: Implementing unit ventilators in hotel rooms to allow guests to adjust the temperature and ventilation to their preference.

Related Terms

• Fan Coil Unit (FCU): A device consisting of a fan and a heat exchanger, used to heat or cool a room.
• Heat Pump: A device that transfers heat from one place to another, used for heating or cooling.
• Air Handler: A device used to regulate and circulate air as part of an HVAC system.

Notes

Unit ventilators are particularly useful in retrofitting older buildings where installing central HVAC systems is impractical. They offer flexibility and individual control, enhancing occupant comfort and energy efficiency.