Is your furnace leaking? Your hot air furnace has a heat exchanger with the combustion gases on one side of the sheet metal, and on the other side is the hot air circulating through your house. If ...

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.

Vince DiFilippo, president and owner, DiFilippo’s Service Company, received a rather strange request from a close friend. The man shared that his dog was sick, stumbling around, and having a difficult ...

The presence of unburned fuel in a power plant’s ash indicates an inefficient combustion process, as some of the energy in the fuel is being wasted. Unburned fuel also poses a risk to safety; if ...

Ammonia combustion test equipment (0.5t/h furnace) (Credit: Mitsubishi Heavy Industries) Mitsubishi Heavy Industries (MHI) said it successfully completed a combustion test of an ammonia single-fuel ...