7 Furnace Issues To Always Prepare For

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A furnace is susceptible to wear and tear like any other mechanical system. It means that it may eventually experience some issues, which could range from minor problems to complete breakdowns.

As the furnace ages, parts will start to break down and eventually need replacing. However, some may last longer with proper care and maintenance. In general, keep an eye on the following seven issues to ensure your furnace is always in optimal condition:

Frequent Cycling

Over cycling is when the furnace turns on and off more frequently than usual. It could be due to a failing thermostat, clogged filters, or incorrect settings. Cycling often puts unnecessary strain on the system, leading to a breakdown. Schedule furnace repair services as soon as you notice this issue.

When the furnace is too big for the space, it will also turn on and off frequently because it’s trying to reach the temperature set on the thermostat. An HVAC contractor can help you determine the right size for your furnace.

Thermostat Issues

When the thermostat is not working, you’ll experience many furnace problems. For example, the furnace might not turn on or frequently cycle because it can’t reach the set temperature. Install a new thermostat to solve this problem.

However, wrong settings, incorrect wiring, or bad batteries could cause the problem. Contact a professional if unsure whether the thermostat needs replacing or repair. They will troubleshoot and determine the best solution.

Filter Issues

If the furnace filter is clogged, it will restrict the airflow and cause several issues. For example, the furnace might overheat because it can’t dissipate heat properly. This could lead to a complete breakdown. In addition, the blower might work overtime trying to move air through the filter, which will shorten its lifespan.

Another issue is the clogged filter will cause the furnace to run for extended periods because it can’t reach the set temperature. Regularly check the furnace filter and replace it as needed. Depending on the type of filter, replace it every few months or as the professionals advise.

Ignition Issues

The furnace might have difficulty igniting due to faulty parts, such as the igniter, flame sensor, or gas valve. These parts must be in good condition for the furnace to turn on. If the igniter is damaged, it might not produce enough heat to ignite the gas.

The flame sensor detects whether there’s a flame. If it’s not working, the gas valve won’t open. A professional will inspect the furnace and determine whether the parts need replacing or repair.

Dirty Burners

The burners are one of the most critical parts of the furnace. Clean them regularly to combust the fuel and produce heat efficiently. Over time, the burners will become encrusted with soot, reducing their performance. In addition, the furnace might produce carbon monoxide, which is extremely dangerous—schedule furnace maintenance at least once a year to clean the burners.

Blower Issues

The blower circulates the air through the furnace and into your home. It won’t heat the home evenly if it’s not working correctly and might need a replacement. A common issue is worn-out bearings, which will produce a lot of noise. Schedule furnace repair services as soon as you notice any problems with the blower.

Leaking Gas

If you smell gas, take action immediately and evacuate the premises. Do not turn on any lights or appliances, as this could spark a fire. Once you’re in a safe location, call the gas company and schedule an inspection.

A gas leak is a severe problem that needs immediate address from a professional. If you know how to do it, switch the gas valve to the “off” position. Do not attempt to repair the leak yourself, as this is extremely dangerous.

Preventative Measures Keep Problems Away

These are some of the furnace issues you should always prepare for. By taking preventative measures, you can avoid many problems. Remember to schedule regular furnace maintenance to keep your system in good condition. It will also help you identify potential issues before they cause severe damage.

Bella Duckworth

Bella Duckworth

Total posts created: 2152
“Architecture is really about well-being. I think that people want to feel good in a space… On the one hand, it’s about shelter, but it’s also about pleasure.” – Zaha Hadid

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