Looking for high velocity parts

Discussion in 'HVAC Heating & Cooling' started by Mad Plumber, Oct 11, 2007.

  1. Mad Plumber

    Mad Plumber Mad Skills

    Messages:
    221
    My best freind is older and can't retire because of his gas bills in the winter are over $450 a month. He has a old gas radiator system. I had done alot of reasearch and descided to purchase a air to air heat-pump system with electric back up because geothermal is not allowed in the area. I have had over 10 estimate's from conventional and high velocity dealers that were all over $8,500 The high estimate was because of his thick stone interior wall's, lack of attic, and most of the home sitting on a small crawspace about a foot high. I would like to purchase and install a high velocity system because of the ease of the small duct's', but I am having trouble finding dealers that will sell them to me."All the high velocity dealer's will only install and not sell the materials I need to install the systems myself" Can you reccomend any website's or dealers that I can purchase a high velocity system from, or would a regular forced air system with flexable large duct's be cheaper in the long run to install and operate?
    Total cost is a huge factor for me!
    P.S. I live in Pittsburgh Pa, and found many local dealers that will sell me a conventional all in one outdoor 2 1/2 ton 13 seer Heat-pump/ac with electric back up for about $2,200 plus flexable ductwork that I estimate would cost me about $400 more, but the large ducts would be very difficult for me to install.
    Thank you, Troy
  2. Furd

    Furd Engineer

    Messages:
    446
    Location:
    Wet side of Washington State
    If not VERY carefully engineered and installed high velocity systems tend to be noisy, often quite irritatingly noisy.

    I strongly suggest that if at all possible you reconsider using more "normal" sized ductwork.
  3. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    Are you an air conditioning tech with the knowledge and equipment to install a split heat pump ( EPA license?)?

    In PA, I suspect that for much of the winter it is too cold for a heat pump system, and you will be using the back-up electric heat, which will be expensive.
  4. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,048
    Location:
    Cave Creek, Arizona
    heat

    Are you sure the high bills are not a result of the home's construction? If so, then any replacement system will have monthly bills about the same, or more.
  5. Bob NH

    Bob NH In the Trades

    Messages:
    3,317
    Location:
    New Hampshire
    An efficient and inexpensive gas system can often be achieved by high-efficiency gas-fired units (sometimes two, on opposite ends of the house) with through-wall exhaust. No ducting required but some circulation may be required.

    I have seen a few that were installed to supplement heating in all-electric houses that were built in the '70s.
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