Categories: Home Improvement

Signs Your Furnace Needs Repair or Replacement

September 20, 2021

Furnaces are one of the most important parts of a family’s home. They keep the house warm, comfortable, and enjoyable for all members living within it. However, furnaces will need repair or replacement over time due to wear and tear from use. Unfortunately, you might not know your furnace needs work until it is too late. Here are some signs to look for if you think your furnace needs to be repaired or replaced.

Strange Noises

If you hear your furnace making unusual sounds, it might need repair or replacement work. Unusual gasps, shudders, and rattles can indicate there is an issue with the appliance that needs to be looked at by a professional. Loud banging noises when the furnace is heating up are also a cause for concern. If you hear loud banging noises coming from your furnace, the heat exchanger might be damaged or warped and needs to be replaced.

Higher Heating Costs

If your heating bills are higher than normal, it might be a sign of damage to the furnace. You should have an expert HVAC repair company come check the furnace out for signs of wear or damage that may need repair or replacement work done.

Difficulty Maintaining Heat Levels

Another indication something is wrong with your furnace is if it is difficult to maintain the desired heat levels in your home during fall and winter months. If you are constantly turning up your thermostat but not getting hot air coming from the vents, this could indicate an issue with your furnace that needs proper inspection from a professional.

Gas Smell or Flames

If you notice a strong gas smell coming from your furnace or see flames shooting out of the vents, this is a sign there might be an issue with combustible ventilation and it should be replaced. The smell of gas and the sight of flames are nothing to play around with. It is dangerous and can cause health problems if you are exposed to it for too long, so make sure to contact a professional HVAC company as soon as possible in this situation.


If you are experiencing any of these furnace problems, it is important to get them fixed as soon as possible. Your furnace should be in good condition and operating at the appropriate efficiency level for your needs so make sure that maintenance is done before winter starts.

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