When you’re looking for help with your home HVAC system, your needs are pretty basic: the space is small, there are only a few people using it, and the system is a standard home air conditioner or heater. But when you have a commercial building, things get much more complex. A technician who has a lot of experience with home heating and cooling systems might not be trained, qualified, or experienced with the needs of a building like yours. How can you determine whether a technician is the right person for your commercial building’s HVAC needs? Here are some things to look for.