Real TAB procedures and math, example values.
Want something lighter? Try the Just for Fun games.
Find the faults, set the pump to 105 GPM and read five coils with Cv and coil-design math.
Serious 3D training: verify the gauges, plot shutoff and full-open TDH with a DP meter, then throttle back to design.
Find a coil branch flow with a circuit setter, control valve Cv or coil pressure drop. Five levels. Write up what you find.
Measure a rooftop unit's outside air intake, work out the free area and set the minimum OA damper at max and min fan speed.