As HVACR technicians, assessing whether the furnace we’re servicing is working efficiently is critical to understanding the overall health of the HVAC system — and to the success of our service call.

Although the combustion analyzer doesn't measure them, proper ventilation/infiltration air, sufficient combustion air, and a safe heat exchanger are critical to ...

Are you properly commissioning your new gas fired high-efficiency equipment? If you are not, you just might be voiding any warranty on the consumers' equipment... Are you properly commissioning your ...