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Common HVAC Noises You Should Be Aware Of

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Common HVAC Noises You Should Be Aware Of

Posted On: April 14, 2018

Common HVAC Noises You Should Be Aware Of

Are you suffering from unnecessary noise in your home? Are you having a hard time watching and hearing the TV because your vents are too loud? There are some noises that are normal, but there are also instances wherein HVAC systems make strange noises and can eventually become loud and disruptive annoyances in your home. This does not have to be the case. 

Here are some of the common noises in an HVAC system and what can be done about them: 

RATTLING 
A ratting noise that comes from an HVAC system can mean a few things. If it is coming from the outdoor unit, then there might be some kind of debris in the system like a twig. Make sure to turn your system off, then remove the debris. If there is visible damage to your outdoor unit, it is best to call for professional HVAC help. 

If the rattling is coming from the inside, do the same thing - turn your system off and call for a professional. 

HISSINGS 
A hissing noise can indicate that air is escaping from the system. If the hissing noise is coming from the walls, then there is a good chance that your ducts are leaking. Aside from making noise, this also wastes your money because the air that is meant to circulate your home is leaking into the walls instead. If the hissing noise is getting louder, then call an HVAC technician. 

If you hear a slight hissing sound, on the other hand, the sound might be coming from your air vents. It can be because your filter is not set right, or you probably have the wrong size filter, thus, creating a gap in the seal. In such cases, you can have the right size of the filter and place it correctly to leave no room for gaps. 

CLANKING 
HVAC systems that are running normally will make a humming noise. Clanking noises, however, can indicate that something is wrong. There can be some loose parts such as the blades, pipes, or the blower motor fan that are rubbing against each other. Clunking noises can be a more serious problem because the loose parts can cause costly damage to your system if not addressed accordingly. Make sure to call a reliable HVAC technician immediately. 

BOTTOMLINE 
Keep in mind that your HVAC system needs regular maintenance tune-ups. You should also change its air filters regularly, and if there are general repairs, then you must attend to them immediately. Knowing what the normal sounds are from what is not normal can help you determine when something is not right. 

 



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by Linda, Toronto on Twintech Heating and Cooling

My 19 year old furnace stopped working when the cold weather hit in November, and I was left without heat. I interviewed several companies and found TWINTECH HEATING and COOLING to be very knowledgeable, quick to respond to my inquiries and very competitively priced.
Dave provided all of the information and pricing ahead of time and set up the appointment for the installation. Greg and Mitch arrived on time to do the installation and worked quickly and efficiently to complete the job.
After the completion of the installation, Dave followed up to ensure that everything was working well and that I didn't have any concerns.
Overall, this was a low-stress and flawless experience from start to finish. I would highly recommend TWINTECH HEATING and COOLING to anyone that requires a new furnace.

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Our 20 year old furnace broke down during the first cold weekend this past November and our usual HVAC company never returned our phone call. Their loss, missing out on a sale since we didn't want to spend much fixing an old furnace and our 40 year old air conditioner was also long overdue for replacement. We proceeded in obtaining three different quotes for furnace and air conditioner replacement, and proceeded with the one we received from Twintech.


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Greg, Grant and Mitch were at our house for installation the day after we decided to proceed. The guys were friendly and informative, the job was completed efficiently and workmanship appears excellent. Our house is certainly much more comfortable with the new two-stage variable speed Amana furnace compared to the old clunker! And, we're looking forward to enjoying the new air conditioner once summer rolls around again. Thanks Twintech!

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The crew from sales to installation was very professional and had great attention to detail

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We couldn’t have been more impressed with Twintech - from our first service call with Mitch who took the time to thoroughly diagnose the issue with our furnace, to Dave who proposed a well thought out solution to meet our needs and finally Greg and team who acted quickly to install given we had no heat.


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Was a great experience with the whole TwinTech team. Its been a couple of months since the new furnace has been installed and its working great!

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I heard about TwinTech when researching new furnaces at furnaceprices.ca. After contacting them about my broken down furnace, Dave came to my house the next day to assess my situation and requirements for a new furnace. He recommended one that had stainless steel heat exchangers which sold me since my previous furnace had issues with a rusted secondary heat exchanger that had to be replaced. Dave also set me up with an appointment with an energy audit company so that I could take advantage of a rebate to help improve the energy efficiency of my home and get some money back. A few days later, Greg, Grant, and Mitch came to install the new furnace and remove the old one. When delivering and removing the furnaces, they were very careful not to damage my floors and walls, and even laid out red carpeting to protect the floors. They were very friendly and professional. The installation was completed in the time they said it would take and they cleaned up their work areas. Within a week, Dave called to follow-up to see how everything was going. I have already recommended them to several friends and family members who may need new furnaces soon.

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Twintech did a great job, from Dave the Sales Rep to the Office staff and The Professional Technicians who did the installation. They were professional, courteous, knowledgable and informative. From beginning to follow up we were completely satisfied with everything. Thanks Again. Sincerely The Laytons

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