The definition of commercial HVAC tools is the equipment used to maintain, repair, and install heating, ventilation, and air conditioning systems in commercial buildings. This includes a wide range of tools, from basic hand tools to specialized diagnostic equipment. These tools are essential for keeping commercial HVAC systems running efficiently and safely. Basic hand tools include screwdrivers, wrenches, pliers, and other items used to install and repair components. Specialized diagnostic tools are used to identify and troubleshoot problems with the system, such as thermometers, digital multimeters, and pressure gauges. Commercial HVAC tools also include safety equipment, such as gloves, face shields, and respirators, to protect technicians from hazardous materials and airborne particles. Finally, there are tools used to clean and maintain the system, such as vacuums, brushes, and air filters. All of these tools are essential for keeping commercial HVAC systems running smoothly and safely.