Heat exchanger. The heat exchanger of a furnace is an integral part of your heating system, as it is responsible for the transfer of heat from the gas or oil to the air stream that enters your home. Because they transfer gas in the system, is very important to make sure that your furnace’s heat exchanger is working properly. A faulty heat exchanger can leak combustion gases into your home, which poses safety hazard.
Circuit board. A circuit board ensures that the heating system operates safely and efficiently by managing the overall electrical flow. Having a properly functioning circuit board is essential for ensuring that your furnace runs without any issues. It's also important from a safety perspective as it helps prevent overheating and other potential problems.
Gas valve. The furnace’s gas valve controls the flow of natural gas to the heat exchanger. It also helps regulate the temperature of your home by controlling how much fuel is used for heating. A faulty gas valve can cause many problems, such as increased energy bills due to inefficient operation and even leaking carbon monoxide into your home.
Blower motor. The blower motor controls the speed at which air is drawn through the heat exchanger, as well as how much heated air enters your home. A damaged or malfunctioning blower motor can lead to poor air circulation.
Limit switch. The limit switch helps maintain the furnace’s temperature by automatically turning off the blower once it reaches a certain temperature. This is an important safety feature, as it can help prevent your home from becoming too hot or cold.
Flame sensor. The flame sensor is responsible for determining whether there is an adequate amount of fuel being burned in the furnace. If it senses a problem, it will shut off the system to prevent any further damage or hazardous conditions.
Question: Can an old furnace be repaired?
Answer: Eventually, every furnace will need so many repairs that it's cheaper to just replace the entire unit. If the repair would cost half as much as a new furnace, go ahead and spring for the upgrade. With a brand-new furnace you'll have increased reliability, improved comfort, and lower operating costs. https://www.energystar.gov/campaign/heating_cooling/replace
Question: What causes gas furnaces to stop working?
Answer: A common cause of an inefficient furnace is a dirty air filter. Air filters stop dust, dirt, and debris, like hair. However, when they are not replaced frequently enough, the air flow becomes restricted and can overheat the heat exchangers. https://www.energystar.gov/campaign/heating_cooling
Question: Which furnace should I buy?
Answer: There are a lot of different systems to choose from. Our HVAC technicians will assess your home, explore your needs, and help you make the right choice before you buy. Here are few of the different systems we offer: https://www.bryant.com/en/us/before-you-buy/system-types/
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