As the HVAC industry evolves and equipment becomes smarter and more efficient, so must the tools technicians use to service, repair, and install that equipment. And, with the large quantity of tools in the market, we asked our contractor advisory panel to weigh in on their most useful and effective tools used in the field. Here’s what they had to say.

Chosen by: Keith Springstead, field supervisor, Pleune Service Co., Lansing, Michigan