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Union City HVAC Services BLOG

Furnace 101: How They Work and What Are Your Options?

A furnace is one of the finest options when choosing a new heating system, whether it is for a new installation or to replace an existing HVAC system. Understanding how furnaces operate can help you choose a system that will meet your specific demands as there are several models to choose from that offer a variety of fuel sources.

What Do Fireplaces Do?
The purpose of a furnace is to distribute heat throughout a household or business structure. Because the system uses a blower to direct and distribute warm air throughout the house or building, furnaces are also known as forced-air furnaces.

How Do Fireplaces Operate?
Several variables affect how a furnace functions. There are significant variances between each type, even though they all aim to heat air and then distribute the heated air through a component in the building’s ventilation system. The type of fuel utilized and the various heat transmission techniques might cause variations in furnace models. To assist system performance and energy efficiency, certain systems could also contain features unique to their model.

Various Furnace Types
There are numerous types of furnaces that use various fuel sources. Some furnace models run on propane or natural gas. Other model varieties run on electricity or oil. Wood is another fuel source used by some furnaces.

Gas heatersA propane or natural gas furnace operates differently from one another in one fundamental way. With a natural gas furnace, the fuel enters the furnace through a pipe or connection to the gas source buried underground. To hold the fuel, a propane furnace needs a separate storage tank. With either kind, the burner activates as soon as the gas enters the appliance and starts warming the fuel.

The unit will then produce warm air by using the cold air already present in the house. This is done by blowing the cold air across the heat exchanger, where it is subsequently heated by the gas burning there. Vents will release the exhaust during the procedure through a flue pipe.

The blower fan then takes control of the operation and uses the ductwork to distribute the warmed air to all of the supply registers in the building.

The cold air is filtered back via the ducts to the furnace as the warm air is dispersed, raising the temperature. When the desired temperature is reached, the thermostat will shut off the gas supply valve, putting an end to the process of generating warm air further.

Reduced heating expenses, cheaper energy bills, more efficiency, improved dependability, and cleaner fuel combustion are all advantages of natural gas furnaces.

Additionally advantageous are propane gas furnaces’ low cost, adaptability, safety, high level of warmth, and environmental friendliness.

Electric heatersThe utilization of a motor to pump cool air into the system is the fundamental concept behind an electric furnace. The air is sent to the furnace’s heating components, where it receives heat before being sent back to the ducts. The system is operated by a number of components.

A thermostat is used in an electric furnace to regulate the sequencer, one of the furnace’s parts. The sequencer is a device that can engage switches to perform duties required for the furnace’s operation. It can supply power to the internal components and to the fan and blower that pump warm air through the ducts and into each room’s registers by blowing air over the heating elements or coils. The register, which will be equipped with a damper, enables the flow of air into each room to be controlled when the warm air enters them.

A limit switch is also used in electric furnaces to enhance safety. When the system is operating normally during the heating cycle, the switch detects the temperature of the furnace and alerts the blower fan when to turn on or off. The limit switch turns the system off if the furnace’s internal temperature rises too much and it starts to overheat.

Electric furnaces have a number of advantages. These include cost-effectiveness, environmental friendliness, a longer lifespan, and efficient heat generation because an electric furnace doesn’t need a separate storage tank.

Burning oilAn oil furnace also needs a separate tank to store the fuel, just like the propane furnace does. Additionally, an oil heater works on the same fundamental principles as electric and gas furnaces in that warm air is produced in the system and distributed through the ductwork.

When the thermostat drops below the desired temperature, an oil furnace starts up. The fuel pump accesses and draws oil from the storage tank as soon as the furnace is turned on. Before entering the burner chamber, where the fuel is converted from a liquid to a mist, the oil first travels through a filter. The mist is then sprayed onto the burner.

Air taken from the inside of the structure is also directed to the burner chamber when it starts to heat to a high temperature.

, and as a result, it too becomes hotter. As a result, heated air is released into the duct system, reaching every room. The device will stop cycling hot air once the temperature reaches the desired level on the thermostat and continue doing so until it drops below it.

Equipment that is less expensive than that of a gas or electric furnace, less expensive repairs, and the fact that oil is a good heat source are just a few advantages of an oil furnace.

Upkeep of a FurnaceYou want to protect your investment in a furnace. An established maintenance schedule protects your investment, improves energy efficiency, and increases equipment lifespan. Systems are properly maintained by qualified professionals with the help of our program at Union City HVAC & Heating. We support equipment maintenance by providing guaranteed appointments, twice-yearly tune-ups, discounts on parts and services, lower service fees, and a lifetime warranty on Union City HVAC & Heating components and labor.

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