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Heating Services | Top Signs Your Heating System Needs Repair

Mar 31

It’s winter time, and the last thing you want is your heating system to fail on you in the middle of the night. While it’s essential to maintain your heating system regularly, sure signs indicate when it’s time for a repair. In this blog, we will tell you about the top warning signs to watch out for that mean you need a heating system repair. We will cover everything from unusual sounds, odors, and decreased efficiency to furnace issues and intermittent operation. So, read on to know when you should get your heating system inspected to avoid a breakdown in the cold winter months.


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Strange or Unusual Noises

One of the top signs that your heating system may need repair is the presence of strange or unusual noises. Your heating system should operate quietly and efficiently, with minimal sound or disruption. If you notice any unusual noises from your heating system, it indicates something is wrong, and you should take immediate action.

Here are some of the top signs that your heating system needs repair due to strange or unusual noises:

Grinding or Screeching Sounds: If you hear grinding or screeching sounds from your heating system, it could be a sign that the motor or blower wheel is malfunctioning. This can be caused by worn-out bearings or a loose belt, leading to costly repairs if left unaddressed.

Rattling or Clanking Sounds: Rattling or clanking sounds from your heating system can indicate a loose or broken part. Various issues, such as an open fan blade, a broken heat exchanger, or a failing compressor, can cause this. These problems can lead to significant damage if not fixed promptly.

Hissing or Whistling Sounds: Hissing or whistling sounds from your heating system can indicate a leak in your ductwork. This can lead to poor airflow, reduced efficiency, and higher energy bills. A professional technician can inspect your ductwork and identify the source of the leak.

Poor Air Quality

The heating system is an essential component of any building or home, as it is responsible for keeping the indoor environment warm and comfortable during the colder months. However, like any other system, it may experience issues or malfunctions that require repair. Poor air quality is one of the top signs that your heating system needs repair.

Poor air quality is a standard indicator of heating system problems, as the heating system is responsible for circulating air throughout the building. When the heating system is not functioning correctly, it can negatively impact the air quality in the building, leading to a range of health problems and discomfort. 

One of the most common causes of poor air quality associated with heating systems is a buildup of dust and debris in the ductwork. Over time, dust and debris can accumulate in the ducts, leading to clogs and blockages. This can reduce airflow through the system, leading to poor air quality and reduced efficiency. In addition, clogged ductwork can also lead to a buildup of mold and bacteria, which can be harmful to health.

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Cold or Uneven Heat

Cold or uneven heat in a heating system is a common issue that can leave the home or building feeling uncomfortable and drafty. This problem occurs when the heating system cannot distribute heat evenly throughout the space, causing some areas to be warmer than others or leaving certain areas completely cold. This can happen for various reasons, including issues with the heating system itself or problems with how heat is distributed throughout the space.

One common cause of cold or uneven heat is a malfunctioning or improperly sized heating system. If the heating system is too small for the space it is trying to heat, it may need help to keep up with the demand, resulting in cold spots. Conversely, if the heating system is too large for the space, it may cycle on and off too quickly, leaving some areas too cold. Additionally, if the heating system is old or needs to be adequately maintained, it may not function as efficiently as it could, leading to uneven heat distribution.

Higher Energy Bills

Firstly, the age and efficiency of the heating system can affect energy bills. When energy bills rise, it can indicate that the heating system is working harder than usual to maintain a comfortable indoor temperature. Similarly, if the heating system has not been adequately maintained or serviced, it may not be running at its optimal efficiency, causing it to work harder and use more energy. 

One of the most noticeable signs that your heating system needs repair is a sudden spike in your energy bills. If you notice that your heating bill has increased significantly without any changes to your usage or the energy price, it’s a sign that your system is working harder than it should be to keep your home warm. This could be due to various issues, including a clogged air filter, a malfunctioning thermostat, or a problem with the heating elements.


Short Cycling

Short cycling is a common problem in heating systems, indicating that your heating system needs repair. Short cycling is when your heating system turns on and off too frequently, typically for less than five minutes each time. This can lead to increased wear and tear on your heating system, reduced energy efficiency, and higher heating bills. 

If you notice any of these signs, it’s essential to have your heating system inspected by a professional. A trained HVAC technician can diagnose the problem and recommend the appropriate repairs. Sometimes, short cycling may be caused by a simple issue, such as a dirty air filter or a faulty thermostat. However, it could also indicate a more severe problem, such as a malfunctioning furnace or heat pump.

Age of the System

Over time, all heating systems will inevitably experience wear and tear, leading to various issues and ultimately resulting in a breakdown if not addressed promptly.

If your heating system is over 10-15 years old, it may show signs of age-related deterioration. Older heating systems are often less efficient and need help maintaining consistent temperatures throughout your home. They may also be more prone to breakdowns and require more frequent repairs.

One of the most apparent signs of an aging heating system is a steady increase in your energy bills. As your system ages, it may become less efficient, causing it to work harder to maintain the desired temperature in your home.

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When should you have your heating system inspected?

Having your heating system inspected regularly is an essential part of home maintenance. It’s important to keep your heating system in good condition to ensure it runs efficiently and safely throughout the year. But when exactly should you have your heating system inspected?

Generally, it’s recommended to have your heating system inspected at least once a year, ideally before the start of the winter season. This will ensure your system is ready to provide the warmth you need during the colder months. It’s also a good idea to have your heating system inspected if you’re moving into a new home or if you’ve recently had any renovations or upgrades done to your heating system.

Regular inspections can help identify potential problems with your heating system before they become significant. A professional HVAC technician can check for leaks, cracks, and other issues that could affect the efficiency and safety of your heating system. They can also clean and lubricate the system’s components, ensuring it operates smoothly and quietly.


In conclusion, Baker Elman Air Conditioning Service in Franklin, MA, is a trusted and reliable HVAC company that offers high-quality services for all your heating and cooling needs. Their team of experienced and knowledgeable technicians can provide accurate and efficient inspections of your heating system, ensuring that it runs smoothly and safely throughout the year. By scheduling regular maintenance with Baker Elman, you can enjoy peace of mind knowing that your home’s heating system is in good hands. So, whether you need routine maintenance or emergency repairs, Baker Elman Air Conditioning Service is the go-to HVAC company in Franklin, MA.


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