AC Cooling LoadEnter the room, the window and what happens inside. Get the cooling load item by item in watts and tons of refrigeration, the next standard AC size and how far the 1 TR per 100 sq ft rule is off, on a live plan and load chart.

Peak sun on glass fills in when you change the wall direction (typical clear-day values for a low latitude, edit them). Wall U 2.0 is a plastered 230 mm brick wall (see the Wall U-Value tool). The sun adds 5 K to walls and 15 K to roofs on top of the air temperature difference.