Problem with centralized air-conditioner and no temperature regulation

[viveksisodiya3]

A building has several rooms with centralized air-conditioner and no temperature regulation. Due to difference in preferences for room temperature the employees are facing problems. Please suggest how can we design a system using this centralized Air conditioner to regulate the temperature of our room/ surroundings.

Help me in Designing a solution for my problem, How it is done to:

1. Develop an On/Off Mechanism

2. Ability of creating 3 or more levels of Cooling

3. Switching On/Off depending upon the presence of the person

The cost Economics should also be justified for the design.

[genduct]

Due to difference in preferences for room temperature

If space is consistently holding, reasonably close to set point then BALANCE to preference

[timjimbob]

i've seen this done with duct reheat. stat controils duct heater. not real efficient so probably illegal.

[allstar08]

A building has several rooms with centralized air-conditioner and no temperature regulation. Due to difference in preferences for room temperature the employees are facing problems. Please suggest how can we design a system using this centralized Air conditioner to regulate the temperature of our room/ surroundings.

Help me in Designing a solution for my problem, How it is done to:

1. Develop an On/Off Mechanism

2. Ability of creating 3 or more levels of Cooling

3. Switching On/Off depending upon the presence of the person

The cost Economics should also be justified for the design.

More info needed to even have an idea.
Is this a constant velocity system?
VAV boxes?
Pnich box?
VVT?

[gbfromsd]

occupancy sensors and a commercial zoning kit would work well here assuming a proper air balance and ducting design.