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.

Automotive elitists really like to ridicule carburetors. "A barely controlled fuel leak," some of them like to say. Maybe so, but when fuel injection debuted on European cars back in the 1970s, ...

The purpose of the exhaust gas analysis is to determine the composition and concentration of the different gases. The analysis is essential, especially for evaluating the air-fuel ratio, surplus air, ...

Tuning a carburetor to supply an engine with the correct jetting-air/fuel mixture has always been a job that almost impossible for most hot rod owners and tuners. In the past, most performance engine ...

What Is Flue Gas Analysis? The term "flue" refers to the long pipes that are used to discharge exhaust gases, and are commonly found as chimneys, ducts, or simple pipes. The gases ejected by flues ...