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$49 / month O.A.C Including Install

Furnace Noises and What They Mean

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Furnace Noises and What They Mean

Posted On: December 22, 2019

Furnace Noises and What They Mean

Has your furnace ever made a strange noise? There could be several reasons why your furnace is making noises. If you hear a whistling noise coming from your return air duct, that could be because of a dirty air filter. If your furnace is experiencing vibrations, squealing, and grinding noises, this can be a sign of a motor bearing issue. If popping or banging noises are coming from your furnace, this may be a sign of high heat rise.


Heat rise can lead to cracks and expansion within the heat exchangers, which can lead to a leak of CO in your home. If you are experiencing any of these furnace-related issues, make sure to call a technician to source and fix the problem.


Another potential cause of strange noises is running your furnace without a filter. Air filters prevent dust, hair, and lint from building up in the evaporator coil. A dirty coil restricts airflow in the system and can also lead to high heat rise if you’re not regularly cleaning it.


Often when the furnace fan begins to make noise, it’s because dirt has built up around the blower wheels. These wheels will need to be removed and cleaned to prevent overheating, and if left unattended, this could lead to the fan breaking down. Sometimes, selecting the wrong furnace fan speed can also be the source of strange noises.


It’s best practice to schedule a regular maintenance routine of your furnace to stop strange noises and ensure it is running smoothly.


At Twintech, we specialize in heating and cooling units. If there is a problem with your furnace or air conditioner, you can rely on us to fix it. Our experienced technicians can help locate the source of the problem and find a solution. We can also schedule a maintenance session if needed.


So when your furnace starts to make strange noises, do not hesitate to give us a call at 1-844-894-6832. For more information about heating and cooling units and the services that we offer, visit our website.




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See What Our Customers Are Saying:

by Floreene in Whitby on Twintech Heating and Cooling

My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installed…They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.

by Damien McIsaac. Ajax on Twintech Heating and Cooling

To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.

by Blair N. - Toronto on Twintech Heating and Cooling

My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment

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See What Our Customers Are Saying:

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!

by Anna Chin on Twintech Heating and Cooling

Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!

by Connor Agnew on Twintech Heating and Cooling

Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.

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