Heating, ventilation and air conditioning (HVAC) technicians are skilled tradespersons that install heating and cooling systems. Additionally, they maintain and repair the system when problems arise. This may be in a residential setting or for commercial facilities. Those who work for a retailer are often responsible for selling service contracts to clients. Types of Certification...
Heating, ventilation and air conditioning (HVAC) technicians are skilled tradespersons that install heating and cooling systems. Additionally, they maintain and repair the system when problems arise. This may be in a residential setting or for commercial facilities. Those who work for a retailer are often responsible for selling service contracts to clients. Types of Certification...