How a gas furnace works In principle, the procedure carried out by a typical ordinary gas furnace is rather straightforward. The gas furnace, housed in a sizable box, regulates the temperature in your house or place of business by drawing in cold air, cleaning it with an air filter, heating it with a gas burner and a steel heat exchanger, and then using a blower to distribute the heated air throughout the ductwork. As you can see, there is not much theory behind the heating and cooling cycle that a gas furnace performs. procedure for a gas furnace The heated air from your gas furnace will start to naturally cool down as soon as it has finished heating your house. It becomes vital to replace the chilly air in your house with warm air throughout this cooling process. Return ducts are used to achieve this continuous air heating and cooling exchange. The cold air is drawn back into the gas furnace by return air grates and ductwork, where it is heated once again. A humidifier is a device that is mounted on the ductwork and return air grills. This aids in regulating the indoor humidity levels to prevent the heated air from becoming too dry. This is a crucial procedure because when the air passes through the gas furnace’s heating and cooling cycle, it may become very dry. primary kinds of gas furnaces A conventional gas furnace is characterized by an annual fuel usage efficiency (AFE) of no more than 89%, whereas a high efficiency condensing furnace is one with an AFE of 90% or above. Compared to a traditional furnace, these high efficiency condensing furnaces need a little bit more complexity. It does the heating and cooling using a somewhat different technique. The primary distinctions are in how the combustion process’s heat is extracted and how the combustion gasses are expelled. of short, the combustion process of a high efficiency condensing furnace is not more efficient overall than that of a normal gas furnace. The process of extracting heat after combustion has taken place accounts for the variation in efficiency. Gas burners with electronic ignition systems are used in both high efficiency condensing furnaces and traditional gas furnaces. Although the theory behind the gas furnace heating system may seem rather complex at first, it is really very straightforward. Understanding and implementing the engineering and design of an HVAC heating system is much more difficult. But if you put in the time to learn how a gas furnace works, you can undertake basic upkeep and troubleshooting on your own without needing to hire an HVAC technician. An overview of a gas furnace’s heating process and what happens to the air when the cooling phase starts have been provided in this article. This website for Vancouver Heating and Cooling offers a variety of other materials and videos that will assist expand your understanding of other HVAC topics in addition to the role and procedure carried out by a gas furnace. Scott Davis wrote this article .