Test Your HVAC Tool Knowledge: How Many Do You Know?Which tool is typically used to tighten or loosen HVAC system bolts?83%Next Correct Incorrect A wrench is used to tighten or loosen bolts and nuts in HVAC systems. Which tool is typically used to tighten or loosen HVAC system bolts? Wrench Ratchet Screwdriver Torque wrench 83%
