He said he put a stethoscope up to the air duct, however he heard nothing.
We had the HVAC repair professional at the loft last week. Mom was sure there was a concern with the heating system, although I didn’t hear anything. Every morning, she would wake up & complain about the noises she heard all night. She said there were groans coming from the air duct, & it sounded love something running up & down the air duct. I laughed at her description & said that maybe there were goblins stuck in the air duct & they were trying to get. It was Halloween! She slapped my head & told me to get ready for college or I would miss the bus. I came beach loft that morning, & the HVAC professional was at the house. She must have really believed there was something in the air duct if she called the HVAC business. The HVAC professional was looking into the air vents & trying to see if he could see something. He had already said the groan was the pipes expanding when the heat blew through the air duct. It was a normal sound & once she got used to it, she would not notice the sound. The running had him baffled. He said he put a stethoscope up to the air duct, however he heard nothing. An hour later, I heard the noise. I told mom I thought every one of us may need an exterminator because it sounded love there were mice in the air duct. She called the HVAC company & told them what I said. She said he was the HVAC repair professional, & she needed cleaning & eviction repair for the air duct.