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About Fred Weldin
Expertise
I can't help you if your whatsis won't work, people (Especially if it's a refrigerator); I have no experience with appliances, and I haven't been involved with H&AC service and repair since March 08, 1996 (Thank the Lord); I reject appliance questions and H&AC "Service and Repair" questions (about 18 a week), so if you want to know why your whatsis isn't working like it used to, ask someone else. I delete answers that are unread after one week (about three a month).
If you have questions about how big a unit you need, if one room's warmer than the others, if you want an opinion on bids received, etc. just ask. Do visit askweldin.com, there's a lot of good information on sizing, ductwork, efficiency, as well as some techniques accomplished DIY-ers can use to troubleshoot and improve their H&AC.
Finally, I want to thank all of the kind, serious people whom I meet here; I enjoy working with you.
Experience
50+ years in the business. See askweldin.com
Education/Credentials
B of ME U of D 1965, numerous classes and seminars since.
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You are here: Experts > Home/Garden > Home Appliances > Heating, Air Conditioning, Fridge, HVAC > Mold in furnance and vent
Expert: Fred Weldin - 10/29/2009
Question
QUESTION: Had my vent cleaned today. I was told there is mold in vents. I knew there was building material in the vents. We had some work done and could see the material. Was being pushed hard to purchase $2000.00 dollars worth of cleaning. My house is 1 year old. I was very skeptical able this. Where can I look to find what vent mold looks like.
ANSWER: Amy:
They should have shown you images from a duct camera. Did they do that?
Here's an image showing mold inside fibrous glass duct. This home had very high humidity due to an oversized, improperly installed air conditioner; there was mold growth on the walls adjacent to the floor diffusers, too.
Fred
IMAGE: Fibrous Glass Duct
---------- FOLLOW-UP ----------
QUESTION: No images. Should I have a mold expert test the mold? I feel I am being scammed, but now I am worried that there is mold.
Answer
Amy:
I have to agree, it does sound questionable. Is it possible water got into the ducts, either during construction or after you moved in? Did you experience a "clammy" (high humidity) sensation this summer?
A reputable heating and air conditioning contractor might be a less expensive option; explain the situation and ask if they'd take a look.
Fred
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