I just moved into a manufactured home, a double wide that is 28 years old. I just replaced the A/C in it and have noticed just a couple of times already that there's moisture coming from the air vents that are closet to the A/C unit. I live in Florida where it is very humid in the summer, which is the season that it happens to be right now. Should I have the duct work of my A/C unit replaced and if so, how does someone even get into that are, given there is no attic space to maneuver in? Should I provide more ventilation to the attic area? Or should I get a dehumidifier and open the windows every now and then? Any suggestions would be greatly appreciated. I have tried to research this matter and not sure what course of action I should try to take. Thanks!
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I also live in Florida and I can attest to how this can happen, even in regular homes but with an older mobile home this is probably going to be a pretty big job.
The AC duct work is 28 years old and most likely has leaks that will not only cause moisture build up but may cause mold (or already has) and is using a lot of extra electricity that is just going in your attic.
I would suggest buying a dehumidifier first because that is a quick fix and you will never be sorry you bought it, even after you have your AC problem fixed. Have you checked your closets for mold or moisture on the walls and baseboards? You may have this problem also.
You can try a dehumidifier first. There are also absorbing bags that can also be used. 28 years for ducts is a long time. It really has reached its lifespan
Have the ac installers come back out. If they missed sealing an area, it can cause this to happen. Also, check the attic vents to ensure they are not blocked. Duct work lasts for years and years--its just sheet metal. The duct work is not the problem. However, the vapor barrier and insulation around it does not last years and years. So, it may just need new insulation and vapor wrap.
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