If you ask a dozen people what the proper operating pressure for a steam system is, you'll probably get a dozen different answers. Most folks just follow "what they were taught" without giving much thought to the results. You see most steam systems run at ridiculously high pressures.... more info»
The building management agent looked at me the way a cop would look at a con man. "You can't tell me how much we're going to save?" he said, shaking his head in disbelief. "We should spend all this money and go to all this trouble without knowing the payback?" He shook his head again. "This is not something I can sell to the board," he said finally, and we left it... more info»