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%