Is the furnace not working? Here are the things you need to do

Furnace maintenance is the most important thing to do in winter in Colorado.

Learn what to do if the furnace is not working and tips and tricks to improve its longevity.

It’s that time of the year when there are cozy nights,  when you spend your time with loved ones, and also the time when freezing houses are very common. Yes, it’s winter and it is time to get your furnace brought to work. But in many homes, the furnace is on vacation too making the winter nights unpleasant and uncomfortable. But you do not need to worry. In this brief guide, we talk about some of the common issues resulting in a furnace not working. We will discuss how to troubleshoot them and share tips and tricks to maintain the efficient working of the furnace and increase its longevity.

But you must keep in mind that several issues may cause a furnace to not work properly and in that case, you may need to contact professional furnace repair service providers like Everest Mechanical. We are professional HVAC service contractors in Colorado providing furnace repair services in Longmont, Denver, Boulder, Fort Collins, and other parts of the state. So, whether it is repairing an old furnace or installing a new one, you can contact Everest Mechanicals. Now, let’s delve deeper into troubleshooting your furnace.

First things first: Assess the situation

Is the furnace completely dead?

No humming, no clicking, no comforting heat? Check the power source. Look for a dedicated switch near the furnace and ensure it’s on. Then, head to your breaker panel and verify the furnace breaker hasn’t tripped. If it has, flip it back and see if the furnace springs back to life.

Do you hear the furnace trying to start, but no heat comes out?

This could be a clogged air filter. Replace or clean it according to the manufacturer’s instructions. A blocked filter restricts airflow, hindering the furnace’s ability to function properly.

Is the furnace blowing cold air?

Check your thermostat settings. Ensure it’s set to “heat” and that the desired temperature is higher than the current room temperature. Sometimes, a misplaced nudge or errant pet paw can change the settings.

Here are some of the common issues and how to resolve them

Lack of Heat Production

One of the most obvious signs of a malfunctioning furnace is a lack of heat production. If your furnace is blowing cold air or not producing any warmth, there are several potential causes to consider.

• Thermostat Settings: Start by checking your thermostat settings. Ensure that it is set to the desired temperature and switched to the heating mode. If the thermostat batteries are low, replacing them might resolve the issue.
• Air Filter: A clogged or dirty air filter can restrict airflow, causing the furnace to overheat and shut down. Regularly replace or clean the filter to maintain optimal performance.
• Pilot Light or Ignition Issues: If you have a gas furnace, check the pilot light. If it’s out, relight it following the manufacturer’s instructions. For newer furnaces with electronic ignition, a malfunctioning ignition system may require professional attention.

Unusual Noises

Strange noises emanating from your furnace can be alarming, but they often indicate specific issues that can be addressed.

• Banging or Popping Sounds: This could be due to expanding and contracting air ducts, especially if your furnace is located in an unheated space. Adding insulation to the ducts may help reduce these noises.
• Squealing or Whistling: A malfunctioning blower motor or a worn-out belt might be causing these sounds. Lubricating or replacing the affected components can often resolve the issue.
• Rumbling: Excessive rumbling might be a sign of a dirty burner or delayed ignition. Regular maintenance, including cleaning the burners, can prevent this problem.

Cycling On and Off Frequently

If your furnace is cycling on and off more frequently than usual, it can lead to uneven heating and increased energy consumption.

• Thermostat Placement: Ensure that your thermostat is not exposed to drafts or direct sunlight, as this can cause it to register incorrect temperatures and lead to frequent cycling.

• Dirty or Clogged Filter: As mentioned earlier, a clogged filter can force the furnace to work harder, resulting in more frequent cycling. Replace or clean the filter regularly to maintain optimal airflow.
• Faulty Flame Sensor: In gas furnaces, a malfunctioning flame sensor might cause the system to shut down prematurely. Cleaning or replacing the flame sensor can resolve this issue.

Inadequate Heating

If your furnace is running but not providing enough heat, you may still find yourself feeling chilly. Several factors could contribute to inadequate heating.

• Incorrect Sizing: If your furnace is too small for your space, it may struggle to maintain the desired temperature. Consulting with a heating professional to determine the appropriate furnace size for your home is crucial.
• Ductwork Issues: Leaks or blockages in your ductwork can significantly reduce the efficiency of your furnace. Inspect the ducts for any visible issues and seal leaks with duct tape or hire a professional for repairs.
• Lack of Maintenance: Regular maintenance is key to ensuring your furnace operates at peak efficiency. Schedule annual inspections and cleanings to address any issues before they become major problems.

Tips and tricks to maintain the efficiency of the furnace and increase its longevity

• Regular Filter Maintenance
• Annual Professional Inspection
• Clean and Clear Vents
• Proper thermostat management
• Ductwork Inspection
• Keep the surrounding area clean
• Address strange noises promptly

To ensure your furnace operates efficiently and enjoys a long lifespan, follow these essential tips and tricks:

Regular Filter Maintenance: Replace or clean your furnace filter every 1-3 months. A clean filter ensures proper airflow, prevents overheating, and maximizes efficiency.

Annual Professional Inspection: Schedule an annual inspection by a qualified HVAC technician. They can identify and address potential issues before they escalate, ensuring optimal performance.

Clean and Clear Vents: Ensure all vents and registers are free from obstructions, allowing unrestricted airflow. This simple step promotes even heating throughout your home.

Thermostat Management: Invest in a programmable thermostat to regulate temperatures efficiently. Lower the thermostat when you’re away or asleep to reduce strain on the furnace and save energy.

Ductwork Inspection: Periodically check for leaks or blockages in your ductwork. Properly sealed and insulated ducts enhance efficiency and prevent heat loss.

Keep the Area Around the Furnace Clean: Avoid storing items close to the furnace to ensure proper ventilation. A clutter-free space reduces the risk of overheating and fire hazards.

Address Strange Noises Promptly: Unusual sounds may indicate underlying issues. Promptly address any unusual noises by consulting with a professional technician to prevent further damage.

Everest Mechanical: HVAC Contractors in Colorado

Everest Mechanical has the most qualified, experienced, and trained technicians providing all kinds of HVAC services. Whether you are looking for a furnace repair service in Longmont, or water boiler installation in Denver, we provide it all. 

For any kind of professional HVAC needs and regular maintenance of your HVAC equipment, contact Everest Mechanical now.