standard room shapes

At the time of writing the 'AIRWIND' programs are unique amongst the world's A/C load calculation programs in being able to cope with rooms having an infinite number of walls, at any angles, placed in an unlimited number of zones and with any mix of construction materials. However for added convenience and even faster operation a facility to instantly select one of two pre-defined room shapes has been added. Simply click on either of these 'self explanatory' buttons -