$49 / month O.A.C Including Install
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Keeping Your Furnace Unit Clean

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Keeping Your Furnace Unit Clean

Posted On: December 14, 2024

Keeping Your Furnace Unit Clean

A well-maintained furnace is essential for keeping your home warm and your energy bills low during the colder months. Regular cleaning and maintenance ensure your furnace operates efficiently and safely. Here’s a comprehensive guide to keeping your furnace unit clean.


1. Turn Off the Power and Gas

Before starting any cleaning, ensure the furnace is turned off. Shut off the power at the breaker and close the gas supply valve. This ensures your safety while working.


2. Clean or Replace the Air Filter

The air filter prevents dust and debris from entering your furnace. Over time, it can become clogged, reducing airflow and efficiency.


  • Inspect monthly: Check the filter every month during heavy use.
  • Replace regularly: Replace disposable filters every 1-3 months or clean reusable ones as per manufacturer instructions.

3. Vacuum the Furnace Interior

Use a vacuum with a hose attachment to clean the furnace interior. Focus on the following areas:


  • Burner area: Remove dust and debris around the burners.
  • Blower assembly: Vacuum the fan blades and motor housing.
  • Base of the furnace: Clear out any accumulated debris at the bottom.

4. Inspect and Clean the Vents and Ducts

Dust and debris can accumulate in vents and ducts, obstructing airflow.


  • Vacuum vent openings: Remove vent covers and vacuum thoroughly.
  • Check for obstructions: Ensure nothing is blocking the air ducts.

5. Clean the Flame Sensor

A dirty flame sensor can cause your furnace to shut down unexpectedly. Use fine-grit sandpaper or a clean cloth to gently remove soot or buildup from the sensor.


6. Check the Blower Motor and Belt

The blower motor is responsible for circulating air throughout your home.


  • Inspect the belt: Look for wear or fraying, and replace if necessary.
  • Lubricate moving parts: Some motors may require lubrication; consult the user manual for guidance.

7. Examine the Flue Pipe

Inspect the flue pipe for corrosion, blockages, or leaks. A clean and secure flue ensures proper ventilation of exhaust gases.


8. Schedule Professional Maintenance

While DIY cleaning is beneficial, a professional inspection ensures your furnace is in top condition. HVAC technicians can detect issues that might go unnoticed, such as cracked heat exchangers or inefficient burners.


Tips for Ongoing Maintenance:

  • Maintain a clean space: Keep the area around your furnace free of dust and clutter.
  • Monitor performance: If you notice inconsistent heating, higher energy bills, or strange noises, your furnace may need attention.
  • Seasonal checkups: Clean your furnace at the start and end of the heating season for optimal performance.

By keeping your furnace clean, you not only ensure efficient heating but also extend the lifespan of your unit, saving money in the long run. Prioritize maintenance, and enjoy a warm, cozy home all winter long.



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See What Our Customers Are Saying:

by Private User on Twintech Heating and Cooling

I left a live chat message on their website that my air conditioning was not working. Within 1hr a representative called me to discuss my options.
The next day he came to the house to review my needs and give me a price for a new system. Price quoted was less than I expected and the installation was completed the following day. I found their salesman and the installers very knowledgeable and easy to deal with. All my questions were answered. Everything was properly explained in regards to what unit was needed and why, along with instruction where needed for use.
The installers made sure everything was working properly before they left.

by Samta Chanana on Twintech Heating and Cooling

This is to thank Twintech Heating and Cooling for their exceptional and timely service. Mitch, their technician was very courteous and generous with his time right from his first meeting with us. He not only took the time to check everything but also educated us on why we needed what he recommended. Greg and Mitch graciously accommodated us on our requested day and time for job to be done. They were both very courteous and responsive to our needs and special requests especially in a tight spot. The job was finished neatly and on time. Thank you Twintech for your great service !

by Private User on Twintech Heating and Cooling

They came the day and time they had planned for us and were very fast and efficient! The AC works amazing and it is amazing during the heat of the summer we have already got! Thanks for everything you did for us!

by Private User on Twintech Heating and Cooling

Would recommend this company to friends and family in a heartbeat. Very professional , on time and left no mess when the job was done.

by stefany on Twintech Heating and Cooling

Great customer service. Responsive and professional. I would highly recommend Twintech, I used them previously for repair service and a new air conditioner- very satisfied.

by dianeramsden on Twintech Heating and Cooling

Our air conditioner failed. Made a call and within 15 min a technician was at our door.
The issue was fixed and many suggestions were provided.
Thanks to Mitch. Great service !

by Kazuko on Twintech Heating and Cooling

Our furnace was rattling, as soon as we put our air conditioner on this past week. We had researched looking for a company that was Registered with Better Business Bureau, and this company TwinTech, had A+ Rating. Scott, was immediately helpful via text/phone and sent his technician as soon as he was able...Mitchell/technician provided great professional service. Thank you TwinTech.
Sean and Debbie

by ANOOP on Twintech Heating and Cooling

I contacted various companies when looking to install a new furnace and I found Twintech to be transparent with their communication and approach. They had options to suit my various requirements and the price vs quality was very good. The after installation communication was also very good and they answered all queries I had.

by Private User on Twintech Heating and Cooling

My furnace broke down last month. The team was quick to respond, courteous, professional and mindful of COVID-19 concerns. I highly recommend them if you are considering replacing or servicing your HVAC equipment.

by Private User on Twintech Heating and Cooling

I was very happy with the installation and price. I would definitely recommend. Thank you Twintech.

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See What Our Customers Are Saying:

by Aaron on Twintech Heating and Cooling

We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.

by Linda on Twintech Heating and Cooling

Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!

by Robert Rogers on Twintech Heating and Cooling

Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.

by Robert Mizuno on Twintech Heating and Cooling

We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!

by Ruth on Twintech Heating and Cooling

TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!

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