November 18, 2019

Why Is My Furnace Making a Loud Noise?

Unusual noises may be a warning sign that something’s amiss with your furnace. An experienced HVAC technician can diagnose your issue and perform any repairs that may need to be made. Noises Associated With Blower Wheels A noise that sounds like metal scraping on metal could signify that something’s up with your blower wheel, which is the piece of equipment that blows warm air out of the furnace and helps circulate it through the house. Blower wheels are sometimes called squirrel-cage fans. When furnace air filters go unchanged for too long a period of time, dust can begin to accumulate on the blower wheel. This means your blower wheel has to work harder to do its job. As little as one-tenth of an inch of dust on your blower wheel can decrease the overall efficiency of your blower wheel by a whopping 20 percent. When your blower wheel has to work extra hard to do its job, it has a much higher risk of breaking. A scraping sound could indicate a broken blower wheel motor mount or a loose or broken blower wheel. Whining noises often indicate problems with the blower wheel’s belt or motor. Unusual Noises Associated With Furnace...

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November 5, 2018

Warning Signs You Need Furnace Repair

It would be nice if we had a forewarning that our furnace is about to fail. There actually are some telltale signs that can give you a clue that your furnace is either getting ready to fail or is close to a time when that will be a real possibility. Here at Wellmann Heating & Air, we believe that catching any problems early is better for our customers. This will make sure that when winter hits Lincoln and the surrounding area, your family will remain cozy. Look for the following signs that you should call for a furnace check-up and furnace repair. Age Furnaces normally last between fifteen and twenty years. The date your furnace was installed should be somewhere on the outside. If it is getting close to the fifteen-year mark, have your furnace checked now. Cold Air If your furnace seems to turn on but the air it is blowing doesn’t get warm, there is something going wrong. There could be a few different reasons for this but all are a reason for repair. Strange Noises Furnaces that have started making pops, rattles and other strange noises are in need of repair. These noises can indicate such problems...

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