HVAC technicians often seem to charge large sums of money, but this perception overlooks many contributing factors. To begin with, HVAC repair is an area not just of work but of considerable expertise and understanding of complex, even arcane, systems. An equally big factor is the need for precision and reliability in the services rendered, because we're talking here about the safe and efficient functioning of the kinds of systems that, when they go wrong, can cause dangerous situations. Then there's the need for all sorts of high-quality tools and equipment, as well as just plain good working sense, to get all this done. And, of course, like everyone else who provides a work service, the tech has to add in a profit margin after covering all his operational costs to come up with the final charge. So are they worth it? Is the HVAC "service" industry, as some like to call it, worth what the techs demand? Yes, and here's why.