You could size the main trunk line by the volume of the ducts to registers or you could just maintain the cooler outlet size.
Evaporative cooling duct sizing.
The resulted will appear to the right.
A good installer retailer will also take into consideration your local humidity levels before giving you an accurate quote.
Pmi evaporative cooling sizing calculator.
Use the calculator below to determine the appropriate cooler sizing based on your needs.
To select the size of an evaporative cooler you have to consider the airflow and the size of the area you have in mind to cool.
Refine your configuration by adjusting static pressure desired indoor temperature air change method and ceiling height.
The potential of evaporative cooling adiabatic cooling when 2 2 lbs 1kg of moisture is delivered to the air by an adiabatic humidifier 680w of evaporative cooling is achieved.
When it comes to choosing a portable air conditioner one of the most important factors to take into account is the model s btu rating.
The next step to choosing an evaporative cooler is to find a correctly sized unit.
Like air conditioners evaporative coolers need to be the right size in order to adequately cool a room.
Evap cooling takes more air flow than heating so the ducts need to be sized for the cooling.