Hvac System :-

Heating ventilation and air conditioning.

HVAC system is system to maintain the inside temperature according to the human comfort in residential and commercial buildings.

(1) Heating :-  Addition of heat of a space to increase the temperature. For example – Cold Area

(2) ventilation :-  Supply and exhaust of air to maintain the air quality. For example – Car Parking, Basement Etc.

(3) Air Conditioning:- Maintanace of temp. of Air and Humidity as per human comfort.

Human comfort: –

DBT ( Dry Bulb Temperature) = 24+-2 degree C

RH( Relative Heat) = 40-60%