Ductwork is to blame

This past summer, I noticed that the house wasn’t as cool as I preferred.

Lowering the thermostat setting made little difference.

The air also smelled musty and the air conditioner seemed to be running non stop. It was making an odd whistling sound. If I walked from one room to another, the temperature fluctuated by quite a bit. When I opened my electricity bill and saw a significant increase in the cost, I finally contacted a local HVAC contractor for repair. After checking out the whole system, he said that the problems could all be blamed on the ductwork. When the ducts are dirty or leaking, the maximum amount of conditioned air doesn’t reach the intended destination. I examined the registers and there was a definite lack of air blowing from the vents. I traced the source of the stale smell right to the vents. According to the HVAC contractor, moisture sometimes builds up in the ducts and creates a perfect breeding ground for mold, mildew, bacteria and all sorts of disgusting microorganisms. He found rodent and insect deposits in the ducts. Every time the air conditioner ran, the air was traveling through the dirty ducts and picking up contaminants. Dust, pet dander, pollen, VOCs and even fumes from pesticides and cleaning agents circulate through the ducts. These particulates and odors were then getting spread to every room and inhaled by my family. The technician completed a thorough testing of the ductwork and determined that I needed both cleaning and sealing services. There was an accumulation of debris as well as small holes and leaks at the seams. About twenty percent of the cooled air was escaping. The services were completed in a single day without causing any damage or mess and made a huge improvement in the performance of the central air conditioner and cleanliness of my home.

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