Question about Fahrenheat Built-In Baseboard Thermostat Heater

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Electric baseboard heater hums while running

Installed two electric baseboard heaters both hum when they are turned on

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Is a 60 cycle hum, resonating with the power. check screws that mount it nothing to really worry about

Posted on Dec 31, 2008

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Posted on Jan 02, 2017

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I just bought my house. I have all electric baseboard heat. One of them has started to make this high pitch humming noise. I cant find anything to identify what type of heater it is, nor do I know how


Could be just an AC hum do to time and previous heating expansion/contraction altered it's characteristics.
You could [this is a crude way} just kick it to see if that stops the humming other then that completely dismantle it and reassemble it tightening the connections and support structure
I don't know what your heating/electric bill is $$$$ but my experience it's cheaper to heat with some other form of energy and in case of power outages you can heat your house using a generator where as electric heat you can not

Nov 13, 2014 | Heating & Cooling

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Heater makes noise humming sound is this normal i replaced 3 8ftrs they make the humming sound the smaller 6ftrs and3 ftrs dont make a sound ?????


This is perfectly normal. This is caused by the heating elements sagging over time. In my years of doing this I have seen this many times before. If yours is new then it may just be a mount loose. Turn it off and check the mounts on in inside of the unit. UNPLUG IT FIRST!!!

Jan 26, 2011 | Fahrenheat Electric Convector Baseboard...

1 Answer

I have two 8ft baseboards and they make a slight humming noise. Is this normal?


the humming noise is normal. parts of the element and fins are vibrating in its holder(s) - the electric when flowing through the coil sets up a small magnetic field.

Dec 22, 2010 | Fahrenheat (F2548) Electric Baseboard...

1 Answer

The baseboard is very noisy? Humming sound


there are clips that hold the actual element inside the enclosure.check to see they are loose or broken. a small amount of humming noise is normal while the heater is being energized expansion/ contraction of alumimun fins is normal.

Feb 19, 2010 | Fahrenheat FBE15002 Baseboard Heater

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My baseboard heaters humm while turned off. Not sure if this matters, but I believe that they are apox. 20+ years old. They work great when they are on, but I use my wood stove to save my power bill and...


I am assuming we are talking about a home or other domestic dwelling...

You didn't say what voltage the heaters operate on, but if you hear humming, then something is probably using power somewhere.

Go to the fuse or breaker panel and turn off the power to the heaters and see if the humming stops - it should.

Sometimes a relay gets stuck after several years and the heaters are "single phasing", or operating on 1/2 of the circuit. Most baseboard heaters (in the USA) are 220-240 volt so you can check to see if any power is present after the heating relay after the thermostat is off.

The problem could also be the thermostat itself especially if it operates on what is known as "line voltage." In this case, there probably won't be a heating relay. Again, check for power on the load side of the thermostat after you have turned it to its coldest setting and you are certain that the heat is off. Place a volt meter lead from each of the hot terminals to ground. No power should be present (going to the heaters). If power is there at either terminal then the T-stat is defective.

NOTE - if you are not familiar or comfortable with this type of work, it's best to call a licensed electrician to help.

Jan 24, 2010 | Kitchen Appliances - Others

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Hum


it could be the element is slightly loose in the unit and causing a mechanical vibration or if its at the control this could also cause a mechanical resonant vibration

Nov 18, 2009 | Fahrenheat Electric Convector Baseboard...

2 Answers

Fahrenheat baseboard heater


no this is normal for this type of heater during its run time,I hope this makes you feek a little better!

Oct 24, 2008 | Fahrenheat Built-In Baseboard Thermostat...

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Loud humming


If this is an electric resistance heater then there is no power supply or transformer. I had a baseboard heater that would hum loudly and I found there's a wire that runs along the bottom to connect the far end of the heat element to the electrical wiring at the supply end. This wire becomes magnetized from the current flowing through it and vibrates in the channel it runs through. I was able to open this channel and squirt a bit of silicone caulk in to keep the wire from vibrating and the hum is gone.

Dec 19, 2006 | Honeywell HZ514 Baseboard Heater

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