Last month’s column introduced the concept of giving “too much control” to the building operators through the BAS graphic. I used a simple and fairly obvious example of an air handler with dual ...

If you wanted to, say, control a temperature you might think you could just turn on a heater until you reach the desired temperature and then turn the heater off. That sort of works, but it is ...

In chemistry, solvents (generally in liquid form) are used to dissolve, suspend or extract other materials, typically without chemically altering either the solvent or the other materials. Solvents ...