I have a problem with sewer gas outside my house. It's a new house on a septic system. I am reasonably sure that it is coming from the vents since it is worse on cold days or when the wind is just right. I was wondering if there are any kind of filters to put in the vents or if there is any other way to prevent this. Thanks in advance for any help.

Odor Hog might have the answer. Click on, http://www.odorhog.com/ to check it out. Regards, Tom