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Thread: Ducts

  1. #1
    Join Date
    Jul 2006
    Location
    central Texas coast
    Posts
    11
    Is metal the best duct system there is for the price and long term investment? I have seen about 10 different types of ducts. I live on the coast where humidity in the summer runs 90-100% and temps are 92-100 for 3 months.

  2. #2
    Join Date
    Jul 2006
    Location
    Southern CT
    Posts
    552
    I would never install or use anything that has fiberglass on the inside. Smooth galvanized with good exterior insulation is the only way to travel. Metal ducts can be properly cleaned if necessary, and no carcenogens flowing into the home.

  3. #3
    Join Date
    Feb 2003
    Location
    Huntsville,AL
    Posts
    4,125
    in your area I would switch to plastic [pipes]!
    harvest rainwater,make SHADE,R75/50/30= roof/wall/floor, use HVAC mastic,caulk all wall seams!

  4. #4
    Join Date
    Jul 2006
    Location
    central Texas coast
    Posts
    11

    ducts

    I thought metal was superior but just wanted some feedback from a pro. Plastic? I love plastic but have not seen any plastic ducts. We have a severe rust problem here. If it does not have a high quality galvanizing on it it will rust. I have seen cheap fence and HV tensile wire get eaten up in 2-3 years.

  5. #5
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    We are on the coast if Florida.Flex and ductboard work just fine.

    We see duct systems from the 1970's that are still doing just fine.

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