If you have noticed that the interior of your home has a strange odor to it, you may have traced the offending smell to your heating vents. If so, there are a couple of possible reasons why the air coming from your furnace smells funny based on the type of odor you are detecting. 1. Brief Smell of Chlorine Even if you have not used any bleach to clean or do laundry, you may be detecting the smell of chlorine throughout your house.
25 February 2019