I get cigarette and sewage smells from the home airconditioning system?

Question

How do I get rid of it? Any insight would be greatly appreciated. Thanks!

Answer 1

I agree with KD. Assuming that there are no odors coming from your yard or house, it sounds like your a/c filter and ducts may be contaminated. Consider installing a high-efficiency filter and change it per manufacturer instructions.

Answer 2

while you're smelling sewer odors in the bathing room of a clean living house and assuming each and everything is working ok in any different case, you're turning out to be a sewage leak under the bathing room, under the living house and that is what you're smelling. if so, in case you open up the window & air the bathing room out as you have accomplished, you does no longer be conscious the subject. If this bathing room is on the 1st floor, that is my wager. i might heavily advise which you bypass under the living house the place the bathing room is and seem to work out if there's a brilliant moist spot there the place water could be pooling up. in case you come across that to be the subject, you have a sewage leak and area of the plumbing has failed and needs to be repaired. I even have considered very comparable situations until eventually now. in any different case as John stated, it could additionally be so easy as a dry bathtub drain. Your bathtub has a "capture" that holds water as area of the drain under it. in case you do no longer use the bathtub, the water in the capture will evaporate and permit sewer gasses to come lower back up into the bathing room. to ward off this situation, in basic terms run some water down the bathtub drain a week or so and which will save the capture packed with water and save the sewer gasses from coming up into the bathing room.

Answer 3

is your a/c a split type? meaning, the evaporator is mounted on the wall? if it is, you need to check the coil fins if they're dirty, check filters, clean and clear the drainage from the unit. if its a window type, do the same, but this type will have a outside vent, if there's any source of smell from the outside, it has a good chance of migrating into the house, if your ac is "ducted" meaning, the compressor is outside the house, you have an air handling unit on your ceiling or closet, check filter, check the coils if they're dirty, clean the drainage hole, bacteria can grow in that moist area and cause the smell. normally, "ducted" system are sealed from outside air, not unless you have a make up damper that will allow a small percent of outside air into the house. if all fails, time to call an expert (HVAC tech) to troubleshoot. good luck.

Answer 4

You might want to have your ducts cleaned if this is a whole house unit.

Moreover, it might be a good idea to provide more information about your unit - like whether or not it is a window unit, its age, model etc.

More info will get you better results.

Answer 5

have your filtering system checked

Answer 6

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