Recent Content by bobpietrangelo

  1. bobpietrangelo
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    New Oklahoma Installation

    In order to get your home down to 76 on a 107 degree day it would have to be designed for a 31 degree temperature difference. This would cause...
    Post by: bobpietrangelo, Nov 21, 2011 in forum: Geothermal Heat Pump Testimonials
  2. bobpietrangelo
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    Desuper heater piping to two tanks

    As an instructor for WaterFurnace I can report with 100% certainty that we teach that a preheat tank is the preferred method of instaling a...
    Post by: bobpietrangelo, Nov 3, 2011 in forum: General Discussions
  3. bobpietrangelo
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    Standing Column Help Needed

    I would not disable 3rd stage heat. If your system was designed properly for your locality, it most definitely will require auxilliary heat. If...
    Post by: bobpietrangelo, Oct 9, 2011 in forum: Standing Column Well (SCW)
  4. bobpietrangelo
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    Ethenol vs antifreeze

    Ethanol is an antifreeze. I am assuming you are asking about it vs glycol. Alcohol is moe stable and permanent, w/ better heat transfer...
    Post by: bobpietrangelo, Aug 16, 2011 in forum: Maintenance and Troubleshooting
  5. bobpietrangelo
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    Waterfurnace airflow fault

    You can turn off SW3-3 to the no rpm position. There have been instances of nuisance rpm failures. IF the blower does fail, there are other...
    Post by: bobpietrangelo, Jun 28, 2011 in forum: Maintenance and Troubleshooting
  6. bobpietrangelo
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    Desuperheater BTU output

    You need to compare your HE/HR calcultions against what factory specifications are. I would like to see 5-10 degrees delta T from the...
    Post by: bobpietrangelo, Jun 28, 2011 in forum: General Discussions
  7. bobpietrangelo
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    3 ton vs 4 ton delima

    What is your heat and cool load. Is everyone offering 2 stage equipment, for the WF unit does the cooling load fall between the stages? Are you...
    Post by: bobpietrangelo, Feb 6, 2011 in forum: Quotes and Proposals
  8. bobpietrangelo
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    What size of heat pump is best?

    The system should be sized no more than 25% over the cooling load, or which ever the next size would be. I whole heartedly agree with this with...
    Post by: bobpietrangelo, Dec 23, 2010 in forum: General Discussions
  9. bobpietrangelo
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    loop temperature

    I checked it out, with your rediculously low fuel rate 88 cents a therm. You are still saving money with the Geo. Out here on the East Coast we...
    Post by: bobpietrangelo, Dec 9, 2010 in forum: General Discussions
  10. bobpietrangelo
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    loop temperature

    $130 a month to heat your home when it is averaging 25 degrees outside, in a 4200 sf house, I think I would crow! Assuming you are paying the 13...
    Post by: bobpietrangelo, Dec 9, 2010 in forum: General Discussions
  11. bobpietrangelo
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    loop temperature

    What would the cost difference had been if you were using a gas boiler to perform the same function. Also this early in the season, you may have...
    Post by: bobpietrangelo, Dec 9, 2010 in forum: General Discussions
  12. bobpietrangelo
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    underperforming geo system

    Have you tried not using setback for the system. I also would tend to look at the load calc of the system. When that stone gets cold it stays...
    Post by: bobpietrangelo, Dec 8, 2010 in forum: Maintenance and Troubleshooting
  13. bobpietrangelo
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    Back up heat instead of aux heat

    Is your Geo zoned like your Oil
    Post by: bobpietrangelo, Dec 8, 2010 in forum: Geothermal Loops
  14. bobpietrangelo
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    loop temperature

    It most of my designs, my balance point isn't reached until about 10-15 degrees. My own EH is locked out until 20 degrees.
    Post by: bobpietrangelo, Dec 7, 2010 in forum: General Discussions
  15. bobpietrangelo
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    Bore Size

    Choose the best installer. Visit some of their jobs. Check references. See how long they have been installing Geo, and how many they have...
    Post by: bobpietrangelo, Dec 3, 2010 in forum: General Discussions