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 Furnace And Humidifier Install on Twintech Heating and Cooling

Dealing with Bob and the installation crew was a pleasure. They took the time to explain everything. What would benefit us the most and the price difference. They were in and out in a reasonable time frame and fit us in within a couple days of original meeting. Quality of work is excellent as well.

by Private User on Twintech Heating and Cooling

A pleasure dealing with Bob ,Spencer and Mitch . They are professional and they also observe the covid 19 precautions . Bob explained the whole process and got the new furnace up the next day . Highly recommend

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Would like to thank TwinTech for their quick response to our furnace repair. We used TwinTech to install a new furnace and AC a few years
back. Our furnace started to have problems early in the evening of extremely cold night. Contacted TwinTech and they were able make a service call later that evening. They got the furnace going and came the next day to replace a part. The part was under warranty and there was
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We are extremely happy with their customer service and would highly recommend them.
Gary & Kelly

by Paul, Toronto on Twintech Heating and Cooling

This is the second time we have had Twintech to our house. A couple of summers ago they were in for an issue with our air conditioning. This time it was our furnace having an issue. It was shutting off randomly and not coming back on. Greg came right away and took the time to investigate thoroughly and explain what was going with the furnace. Both times I have been thoroughly impressed with their speed, customer service, and quality of work. I HIGHLY recommend Twintech.

by Stan, Courtice on Twintech Heating and Cooling

Based on good reviews I hired Twintech to look at a small leak on my 5yr old water heater, they sent an employee to inspect and give a quote to repair which would total about $300. 100 for the initial call/inspection and another $200 for the repair. I agreed to the repair and they showed up on the agreed date to do the repair, it was to replace a dip tube but after removing the old one he couldn’t get the new one in. After about half an hour of trying he realized he had gotten the wrong part which he blamed his supplier for. Then told me it would be about a week to get this custom order part and would mean I would have no hot water for a week, so I went from a small insignificant leak to no water heater. I can’t believe that an experienced professional didn’t know these had custom order parts and basically left with my water heater disassembled and leaking water all over my basement. I would never hire this company for any projects ever again. I ended up having to buy a new water heater and didn’t even receive an apology from the company for their incompetence.

by Private User on Twintech Heating and Cooling

Based on good reviews I hired Twintech to look at a small leak on my 5yr old water heater, they sent an employee to inspect and give a quote to repair which would total about $300. 100 for the initial call/inspection and another $200 for the repair. I agreed to the repair and they showed up on the agreed date to do the repair, it was to replace a dip tube but after removing the old one he couldn’t get the new one in. After about half an hour of trying he realized he had gotten the wrong part which he blamed his supplier for. Then told me it would be about a week to get this custom order part and would mean I would have no hot water for a week, so I went from a small insignificant leak to no water heater. I can’t believe that an experienced professional didn’t know these had custom order parts and basically left with my water heater disassembled and leaking water all over my basement. I would never hire this company for any projects ever again. I ended up having to buy a new water heater and didn’t even receive an apology from the company for their incompetence.

by Private User on Twintech Heating and Cooling

Extremely happy.
So we were in no rush to replace our old units and took the time to do some research and get a number of quotes.
Twintech came in at around the middle of the pack for price but what convinced us to go with them was Bob, the representative that came to our house. Bob was by far the most professional of all the reps that we met with. He took the time to explain everything, what would work best for us and why. He really did seem very knowledgeable and enthusiastic about his stuff.
As promised on the day of install the crew showed up on time and got to work with minimal impact on us
..they were professional, clean, tidy and got the system up and running ahead of schedule...they made a couple of adjustments to the system to optimize it for our house.
The crew left the house clean and tidy.
Bob the rep showed up to check in and give us a few tips ..
It's been a week since install and all is good.
Our overall experience with Twintech has been excellent from start to finish and I wouldn't hesitate to recommend them.
Thank u.

by Private User on Twintech Heating and Cooling

It was a refreshing experience interacting with the Twintech team. From Bob, the sales consultant, who articulated in layman's terms all the options available and reasons for making any selection. This was done without the prevailing pressure tactics so commonplace today.

Before proceeding Mitch, the technician, at our request conducted a service check on our 30 yr old furnace. His report was positive indicating no urgency to replace it. Again no pressure tactics.

Three days after first meeting with Bob, the installation team of Greg and
Spencer completed the installation within the planned time frame.

A very professional, courteous and transparent team which delivered on their promise. I highly recommend Twintech.

by Private User on Twintech Heating and Cooling

Initial contact with sales resulted in an immediate response, which led to a timely installation. Both sales and installers were all very professional. I have no hesitation in recommending TWINTECH.

by Private User on Twintech Heating and Cooling

I had a great experience with TwinTech. The company offered a reasonable quote, and performed a quick and clean installation. The installer Greg was experienced, professional and courteous. He explained the services he performed and gave recommendations on maintain the new furnace.

The salesman Bob was honest
and professional and educated me on how to achieve optimal performance.

All communication from them was quick and they came the following day. I was pleased with the service and would recommend them.

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