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Importance of Regular Furnace Maintenance

As the weather starts to cool down and the leaves begin to change color, it’s a clear sign that winter is just around the corner. While you may be enjoying the last few weeks of pleasant weather, now is the perfect time to start thinking about furnace maintenance. By taking care of your furnace before the cold weather hits, you can ensure that it will run efficiently and keep you warm all winter long. In this article, we will discuss the importance of furnace maintenance and provide some tips on how to fix your furnace while it’s still nice out. We will also delve into the specifics of commercial furnace maintenance for those who own or manage commercial properties.

Why is furnace maintenance important?

Regular furnace maintenance is crucial for several reasons. First and foremost, it helps to ensure the safety of your home and family. A poorly maintained furnace can pose a serious risk of carbon monoxide leaks, which can be deadly. Carbon monoxide is a colorless, odorless gas that can cause symptoms such as headaches, dizziness, and nausea. In severe cases, it can lead to unconsciousness or even death. By inspecting and cleaning your furnace regularly, you can identify and fix any potential issues before they become a hazard.

Secondly, furnace maintenance can help to extend the lifespan of your unit. Just like any other mechanical system, furnaces require regular care and attention to keep them running smoothly. By cleaning and lubricating the various components of your furnace, you can reduce wear and tear and prevent costly breakdowns. This can save you the expense and inconvenience of having to replace your furnace prematurely.

Lastly, regular furnace maintenance can help to improve energy efficiency. A well-maintained furnace will operate more efficiently, which can lead to lower energy bills. By fixing any issues and ensuring that your furnace is running at its peak performance, you can save money in the long run. This is not only good for your wallet, but also for the environment, as it reduces the amount of energy your home consumes.

Tips for furnace maintenance

Now that you understand the importance of furnace maintenance, let’s discuss some tips on how to fix your furnace while it’s still nice out.

1. Clean or replace the air filter

One of the simplest and most effective ways to maintain your furnace is by regularly cleaning or replacing the air filter. A dirty or clogged filter can restrict airflow and reduce the efficiency of your furnace. This can lead to increased energy consumption and decreased heating performance. It’s recommended to clean or replace the filter every 1-3 months, depending on the type of filter and the amount of dust in your home. If you have pets or if anyone in your home has allergies, you may need to replace the filter more frequently.

2. Check the thermostat

Another important step in furnace maintenance is to check the thermostat. Make sure that it is set to the desired temperature and that it is functioning properly. If you notice any issues, such as inaccurate temperature readings or a malfunctioning thermostat, it may be time to replace it. A faulty thermostat can cause your furnace to run less efficiently, leading to higher energy bills and a less comfortable home environment.

3. Inspect the furnace for any visible damage

Take the time to visually inspect your furnace for any signs of damage or wear. Look for cracks, leaks, or rust on the unit. These can be signs of a serious problem that needs immediate attention. If you notice any issues, it’s best to call a professional HVAC technician to assess and repair the problem. Trying to fix these issues yourself can be dangerous and may lead to further damage.

4. Clean the furnace and its components

Dust and debris can accumulate inside your furnace, affecting its performance. Use a vacuum or a soft brush to clean the exterior and interior of the furnace. Pay special attention to the blower motor, burners, and heat exchanger. These components play a crucial role in the operation of your furnace and need to be kept clean to function properly. If you’re not comfortable doing this yourself, it’s best to hire a professional to perform a thorough cleaning.

5. Schedule a professional inspection and maintenance

While there are many steps you can take to maintain your furnace on your own, it’s always a good idea to schedule a professional inspection and maintenance. A trained HVAC technician can identify any potential issues and perform necessary repairs or adjustments. They can also ensure that your furnace is running at its optimal efficiency. This can give you peace of mind knowing that your furnace is in good hands and that you’re doing everything you can to keep your home safe and warm.

Commercial furnace maintenance

If you own a commercial property in Mukilteo, furnace maintenance is equally important. A malfunctioning furnace can disrupt your business operations and lead to unhappy employees and customers. By scheduling regular maintenance for your commercial furnace, you can prevent unexpected breakdowns and ensure a comfortable working environment.

When it comes to commercial furnace maintenance, it’s best to hire a professional HVAC company that specializes in commercial systems. They have the knowledge and expertise to handle the unique needs of commercial properties and can provide comprehensive maintenance services. This includes everything from routine inspections and cleaning to major repairs and replacements.

In addition to ensuring the comfort of your employees and customers, regular commercial furnace maintenance can also help to protect your investment. A well-maintained furnace can last for many years, saving you the cost of having to replace it prematurely. It can also help to improve the energy efficiency of your building, leading to lower utility bills.


Don’t wait until the cold weather arrives to fix your furnace. By taking care of your furnace while it’s still nice out, you can ensure that it will run efficiently and keep you warm all winter long. Regular maintenance, such as cleaning or replacing the air filter, checking the thermostat, and inspecting for any visible damage, can go a long way in preventing costly breakdowns and improving energy efficiency. For commercial properties in Mukilteo, it’s best to hire a professional HVAC company that specializes in commercial furnace maintenance. By following these tips and scheduling regular maintenance, you can enjoy a warm and comfortable winter season. Remember, a little preventative maintenance now can save you a lot of trouble down the road.

An Energy Star-certified oil furnace is up to 4 percent more energy efficient than baseline models and can save up to $75 in energy costs per year, according to the Energy Star website.