Instruments and hand tools are the workhorses of the HVAC installer and service technician. Whether it’s getting the system ready to use for the very first time or figuring out what’s wrong before fixing it, these detectors, monitors, sensors, and tools make it possible to get the job done. And these days, as changes in governmental regulations, technological advancements, and customer concerns and preferences affect the HVAC industry and its equipment, hand tools and instruments also have to keep up.