Won’t an Infrared camera find duct leaks?

Temperature difference between the air flow created by the smoke testing unit and the outside air. In addition, the infrared camera would require the operator to give verbal directions to the AC technician of where the leaks are located, even if it was possible to…

Is smoke testing required in other states?

California requires smoke testing in change-outs of the HVAC system in certain circumstances, although the process and tools seem cumbersome. The requirement can be found at: http://www.energy.ca.gov/title24/2008standards/changeout/