Are You a Heating & Cooling Expert or a Beginner?To shed some light on your work, what tool should every toolbox, including HVAC ones, have?13%Next Correct Incorrect A flashlight is ideal for reaching those dark corners where equipment is kept. To shed some light on your work, what tool should every toolbox, including HVAC ones, have? Headlamp Work light Multitool Flashlight 13%
