Why does my house smell like sewer when AC is on?
Why does my house smell like sewer when AC is on? If you smell sewage when you turn on your A/C unit, your sewer system may have backed up into your house or near your unit, and the smell may come from a ruptured pipe. Contact an air conditioning company right away if you notice a sewage smell or detect methane in your home. Do not let this problem linger! Why do I have a foul smell coming from my vent? If you smell raw sewage coming from your vents, there is one usual cause: sewage. A backed-up sewer line...