The art of heating and air.

A Guide to Common Furnace Repair Problems

Furnace Repair is an essential part of home maintenance and upkeep that helps keep your home comfortable and safe year-round. A well-maintained furnace is necessary to ensure your family’s safety and comfort while protecting your home’s value. This guide will explore the basics of furnace repair, including common issues, signs that it’s time to repair or replace your furnace, and the steps to take to ensure a successful repair. We’ll also discuss the benefits of hiring a professional to handle your furnace repair needs. So, let’s get started!

Troubleshooting Furnace Issues

No Heat:

– Check if the furnace is plugged in and the power switch is on.

– Check the thermostat to ensure it is set to the “heat” setting.

– Check the air filter and replace it if necessary.

– Check the blower motor and belt for wear.

– Check the furnace ignitor and flame sensor.

 

Pilot Light Won’t Start:

– Ensure the gas valve is in the “on” position.

– Check the flue pipe and vent for blockages.

– Check the thermocouple for proper operation.

– Check for gas leaks.

 

Furnace Blowing Cold Air:

– Check the thermostat to ensure it is set to the “heat” setting.

– Check the air filter and replace it if necessary.

– Check the blower motor and belt for wear.

– Check the furnace ignitor and flame sensor.

– Check the furnace’s heat exchanger for proper operation.

 

Noisy Furnace:

– Check the blower motor and belt for wear and replace them if necessary.

– Check the air filter and replace it if necessary.

– Check the furnace’s heat exchanger for proper operation.

– Check the fan blades and clean them if necessary.

– Check the furnace’s exhaust vent for blockages or damage.



Cleaning and Maintenance

  1. Change Your Furnace Filter: Regularly changing your furnace filter is essential to keeping your furnace running efficiently and safely. Depending on your filter type, you should change it every three months to once a year.
  1. Clean the Exterior: Clean the outside of your furnace with a damp cloth, paying particular attention to the vents and grills. This will help keep dirt and dust from clogging the system and allow air to flow more freely.
  1. Vacuum the Furnace Area: Remove any dust, debris, or cobwebs accumulated around the furnace. This will help keep the air around the furnace clean and free of allergens.
  1. Check the Pilot Light: Ensure the pilot light is lit and the flame is blue and steady. If it’s not, call a professional to come and check it out.
  1. Check the Thermostat: Ensure the thermostat is in the correct position and the temperature is set correctly. This will help ensure the furnace is running efficiently and not overworking itself.
  1. Check for Leaks: Make sure there are no visible signs of leaks around the furnace. If you do see any, call a professional as soon as possible.
  1. Inspect the Blower Fan: Check the fan to ensure it’s in good working order. Ensure the fan blades are clear of debris and the motor runs smoothly.
  1. Clear the Drain Line: The drain line should be clear of debris and sediment. If it’s clogged, you can use a wet/dry vacuum to clear it out.
  1. Check the Heat Exchanger: Ensure the heat exchanger is free of cracks or other damage. If it is damaged, call a professional to have it inspected and repaired.
  1. Have Your Furnace Professionally Inspected: Having a professional inspect your furnace will help identify any potential problems before they become significant. This will help keep your furnace running safely and efficiently for years to come.

Ignition System Issues

The ignition system is one of the essential components of a furnace. With a properly functioning ignition system, the stove can light the burners and produce heat. Common issues with the ignition system can range from failing spark plugs to faulty wiring to a clogged pilot light. Fortunately, most ignition system problems can be easily repaired. One of the most common ignition system issues is a faulty spark plug. If the spark plug is not producing an adequate spark, it can prevent the furnace from lighting. The spark plug should be visually inspected for dirt or debris and replaced if necessary.

Another common issue with the ignition system is faulty wiring. Wires can become loose or corroded over time, which can prevent the spark from reaching the burners. If this is the case, the wiring should be inspected, repaired, or replaced. Finally, a clogged pilot light can also cause ignition system problems. If the pilot light is clogged with dirt or debris, it can prevent the furnace from lighting. To fix this issue, the pilot light should be cleaned or replaced.

By visually inspecting the spark plug, checking the wiring, and cleaning the pilot light, most ignition system problems can be solved. If these repairs do not resolve the issue, a professional should be contacted to diagnose the situation further.

Blower Problems

Furnace repair can be a daunting task, especially when it comes to blower problems. Blowers are the most crucial component of a furnace, as they drive the air through the system and produce the heat that warms your home. The blower is an electric motor attached to a fan, and its job is to push the heated air through the system.

 

  1. Blower Not Working: Check to ensure the blower is plugged in and the circuit breaker has not tripped. If both are okay, check the power supply and replace the fuse if necessary.

 

  1. Blower Making Noise: Check the fan blades for dirt or debris, which can cause the edges to become unbalanced and cause the blower to make noise. Also, check the motor for loose or worn bearings and replace them if needed.

 

  1. Blower Not Blowing Air: Check the air filter and replace it if clogged or dirty. Also, check the ducts and make sure they are not blocked.

 

  1. Blower Cycling On and Off Check the thermostat and make sure it is set correctly. Replace the thermostat if needed. Also, check the air filter and clean or replace it if necessary.

 

  1. Blower Not Cooling Air: Check the refrigerant levels and make sure they are at the correct level. Also, check the condenser coil and make sure it is clean and debris-free.

Filter Problems

Furnace filters are designed to keep dust and dirt from getting into the heating system and improve the air quality in your home. This is especially important for people who suffer from allergies and asthma, as a clean filter will help ensure the air in your home is free of allergens and pollutants. Cleaning or changing your filter regularly will help your furnace run more efficiently and reduce energy costs.

A furnace heating systems work best when the air is heated to a specific temperature. If your filter isn’t trapping all the dirt and dust that comes into your home, it will be released into the heating system on hot days, leading to poor furnace performance and dirty indoor air.

The most common type of filter is a disposable fiberglass filter. These filters should be changed every one to three months, depending on the dust and dirt in your home. If you need to change your filter more often than this, it may be time to upgrade to a more efficient filter, such as a pleated filter or a high-efficiency one. Depending on the environment, these filters should be changed every three to six months.

When cleaning or changing your filter, read the instructions for your furnace first. It is essential to know what type of filter your furnace requires and how to install it. Once the filter is in place, you can vacuum it to clean it. If you are changing the filter, make sure you dispose of the old filter properly.

Thermostat Issues

Troubleshooting and resolving issues with a thermostat can be a tricky task. To ensure that the thermostat is functioning correctly, it is essential to understand the problem and then take the appropriate steps to fix it. Here are some common issues and solutions to help you troubleshoot and resolve any issues with your thermostat:

 

  1. The thermostat is not displaying the correct temperature: This is a common issue caused by a few different things. First, ensure that the thermostat is set to the correct temperature and mode. If this does not solve the issue, you may need to check the batteries and replace them if necessary. If the problem persists, you may need to check the wiring in the unit to ensure that it is connected properly.

 

  1. The thermostat is not turning on or off: This could be caused by various things, such as a faulty switch, a broken wire, or a clogged filter. First, check the switch and wiring to ensure everything is connected correctly. If the issue persists, you may need to replace the switch or filter.

 

  1. The thermostat is not responding to commands: This could be caused by a faulty wiring connection or a faulty circuit board. First, check the wiring to make sure that everything is connected correctly. If the issue persists, you may need to replace the circuit board.

 

These are just a few of the most common issues with a thermostat. Once you have identified the problem, taking the appropriate steps to resolve the issue is essential. If the problem persists, it is recommended to contact a professional to inspect the unit.

Air Conditioning Maintenance

Gas Line Problems

  1. Check the gas line for any visible damage or corrosion.
  2. Inspect the gas line connections for any loose fittings or leaks.
  3. Test the gas line pressure with a pressure gauge.
  4. Check the gas line for any blockages.
  5. Check the gas line for any gas leaks.
  6. If necessary, contact a certified gas line technician to inspect and repair any issues.

Pilot Light Problems

  1. Verify that the pilot light is in the “on” position.
  2. Check the gas supply lines and flows to ensure they are connected.
  3. Check the pilot light tube for blockage or debris.
  4. Clean the pilot light assembly with a wire brush and vacuum, then reassemble it.
  5. Replace the thermocouple if it is faulty.
  6. Replace the igniter if it is terrible.
  7. Adjust the pilot light flame if it is too small or too large.
  8. Check for and repair any gas leaks.
  9. Check for proper venting and airflow.
  10. Have a professional service technician inspect and service the furnace.

Conclusion

Julian Heat & Air Furnace Repair in Heber Springs is a reliable and trustworthy furnace repair service provider. Their team of experienced technicians can provide reliable and affordable furnace repair services. They use quality parts and products to ensure that their customers are satisfied with their services. Their commitment to customer satisfaction makes them stand out among other furnace repair services. Julian Heat & Air Furnace Repair in Heber Springs is the right choice if you are looking for a reliable and trustworthy furnace repair service provider.

Contact them today for furnace repair service!

HVAC Company Heber Springs, AR