Terrible smell coming from air vents

My mom and dad have a weird odor coming from the air vents in their house.

  • Apparently, this has been going on for a while without me knowing about it.

My mom finally called me the other morning and she started complaining that their whole house just stinks like hot garbage or something, and I asked her all the normal questions about whether or not they had a dead rodent stuck in a ventilation duct or something, but she said no, however she did say that every time they turned the thermostat up or down, they noticed the awful odor. She said that it didn’t matter whether it was the heating or the a/c, either. She and my dad had tried running both the heater and their central a/c unit and the odor remained the same. I really had no idea what the problem could be, and so I finally told her that she should just call her local heating and cooling company to see what they could tell her. Apparently, the heating and air conditioning serviceman that she spoke to said that sometimes your ventilation ducts can get mold and mildew growing inside of them. Whenever this is the case, there can be some really awful odors that come from the air vents when the heating and air conditioning system is running, however the heating and air conditioning serviceman seemed to know that this was what was happening at my parents’ house. She made an appointment for them to come do a complete professional air duct cleaning on her heating and air conditioning system, and hopefully, that will clear up the problem and their indoor air quality will be back to normal soon.


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