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  1. Replies
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    Hi, I installed last year for new, 5,200 sqft...

    Hi,

    I installed last year for new, 5,200 sqft rancher in central Virginia (my own house) with the following:


    ONE 6 ton Waterfurnance Synergy3 for BOTH water to water and water to air
    ...
  2. Replies
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    505

    Yes - sort of - see the pictures for details. ...

    Yes - sort of - see the pictures for details. Pictures show details of poor installation techniques
  3. Replies
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    505

    UL Standards for Class 1 Air Connector

    Hi,

    This is a continuation of thread questioning the installation of flexduct.

    Is there anyway a homeowner can review the UL standards for proper installation of flexduct? I looked up the UL...
  4. Replies
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    2,861

    I am not a pain! I only did the load calcs as...

    I am not a pain!

    I only did the load calcs as recommended here by you professionals. I did not force him to use my calculations. It was a starting point for discussion. I did not question any of...
  5. Replies
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    2,861

    Clarification, The picture of the three ducts...

    Clarification,

    The picture of the three ducts show three separate lines from the main trunk line. The first two on the right has limited if any air flow and extend between 30-45 from the trunk...
  6. Replies
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    2,861

    Hi. I was at the job site all day and missed...

    Hi.

    I was at the job site all day and missed these responses. Let me clarify more and I have a few follow up questions.

    My house is a two story rancher with loft. I only have three ducts...
  7. Replies
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    2,861

    Hi, I did not do the duct design - that is not...

    Hi,

    I did not do the duct design - that is not my area of expertise. I did do the load cals using HVAC program recommended from this forum. I only did this so I would understand the calcs. My...
  8. Replies
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    2,861

    Crappy Contractor? What to do - PICS

    Hi,

    I wanted to post these pictures to receive some pointers on what to do with a contractor who wants full payment and is charging me interested because I have not paid him even though the job is...
  9. Ok - any negative comments

    Come on everybody! chime in! Usually, I get TOO many opinions! Here is your opportunity - good, bad, or crazy?
  10. Thumbs up

    So I assume you mean this is a thumbs up? Right?
  11. Is it worth the investment? Thumbs up or down

    Hi,

    I am ready to install a Waterfurnace Synergy3 geothermal heat pump. This heat pump provides both forced air heating and cooling along with radiant heat via attached buffer tank. For radiant...
  12. Replies
    13
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    2,062

    Mike, What was the brand you installed in the...

    Mike,

    What was the brand you installed in the kitchens?
  13. Replies
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    2,062

    In Summary.....

    In summary, it seems that for the right application HPWH are effective for reducing electricity costs for heating hot water while reducing humidity. If you had to buy a new HPWH right now what would...
  14. Waterfurnance Synergy3 in VA

    Hi - we are in the process of installing a Waterfurnance 5T Synergy3 in Fredericksburg, VA. We are using a "slimjim" heat exchanger (i.e. large metal plate) to be dropped in our nearby lake. We also...
  15. Replies
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    2,062

    I am discourage!

    Paul42,

    With Thermostor out of the business does not look too good. You would think they would have closely looked at this technology for their UltraAire product line

    The link you provided...
  16. Replies
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    2,062

    "Even in a warm climate, the garage or basement,...

    "Even in a warm climate, the garage or basement, already cold and damp in winter, would become more so with one of these installed."

    I can understand cold but damp? I need a whole house...
  17. Replies
    13
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    2,062

    Experienced with Heat Pump Water Heaters?

    Hi,

    Anyone experienced with HPWH??

    Costing from $700-$1,500, these systems may be a great way to reduce humidity while generating inexpensive hot water. If they are tied to the AC return it...
  18. Replies
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    15,384

    Poll: Hi, I am not a HVAC person but just someone in...

    Hi,

    I am not a HVAC person but just someone in need of a contractor. I have observed three different company models (based on actual dealers who I visited). Please don't take offense - just my...
  19. Replies
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    1,000

    Ergomax vs. Everhot vs. Turbomax

    Hi,

    I am ready to install hot water storage components for a geothermal/radiant system. I am sold on reverse indirect tanks for their ability to preheat my DHW while providing direct hot water...
  20. Replies
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    842

    Thanks all, I have received several emails...

    Thanks all,

    I have received several emails with suggestions including good contacts with individuals who will help me complete my project. Now I understand that in order to design an effective...
  21. Replies
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    842

    Sorry for the misunderstanding. Please let me...

    Sorry for the misunderstanding. Please let me clarify

    1) This is NOT a DIY project. I am willing to PAY for someone else to do ALL the work.

    2) I live in an area where I cannot get anyone...
  22. Replies
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    842

    Hi, Over the past several months this forum...

    Hi,

    Over the past several months this forum has been invaluable as a resource for helping me design and install a custom heating solution for my home. Unfortunately, my consultant has abandoned me...
  23. Thanks for all the responses First, this is...

    Thanks for all the responses

    First, this is not a DIY project. My plumber never installed a radiant system, my HVAC guy will be installing a geothermal (waterfurnance Synergy3), and my radiant...
  24. Where can you buy a Marathon for $500? I thought...

    Where can you buy a Marathon for $500? I thought they cost 3x that much?
  25. Hi, I posted several questions here and I...

    Hi,

    I posted several questions here and I appreciate all the feedback.

    I am working with a hvac contractor but they are not recommending a particular brand of hot water tank for my radiant and...
  26. Replies
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    Thanks so much for the advice. It is like I have...

    Thanks so much for the advice. It is like I have a team of specialist waiting to do battle with Dominion!

    I like the idea of using two tanks for DHW. Very simple design. Too bad I cannot use it...
  27. Replies
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    1,310

    Great feedback. Thanks! I contacted Dominion...

    Great feedback. Thanks!

    I contacted Dominion and this is what I found:

    Tariff info
    >> Here is the description. You must add up all the Rider A and rider B rates to get to 3.4 cents/kw...
  28. Replies
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    Back to my original question - 1) can the lower...

    Back to my original question - 1) can the lower rate help me for both DHW and spacing heating? and 2) what is the best configuration? I was thinking of the following:

    Three tank configuration:...
  29. Ok - returns in the bedrooms!

    Ok - returns in the bedrooms!
  30. Another good point. I do have a proposed...

    Another good point.

    I do have a proposed register adjacent to the stairs! All the cold air from this register will fall downstairs.

    Now I am thinking I will REALLY need to oversee my HVAC guy....
  31. Sorry - I should have said SUPPLY not return in...

    Sorry - I should have said SUPPLY not return in the basement stairwell
  32. Very good points! I was thinking of returns in...

    Very good points!

    I was thinking of returns in the upstairs bedrooms (far Southern end) but that is an interesting idea to put returns in the basement at the ends of the house. Obviously, we...
  33. Thanks for an insightful reply! Our house is...

    Thanks for an insightful reply!

    Our house is 98' long and 16-35' deep for a total size of 2,700 sqft each floor. The basement will only be partially finished. I have a small loft which I plan to...
  34. Let me clarify. I have a radiant heating...

    Let me clarify.

    I have a radiant heating system with 5 zones - 2 for the upstairs and 3 for the basement. Seperate from the radiant heating system I also have a forced air system for AC. Since...
  35. bummer - that adds another $4K to the quote! Are...

    bummer - that adds another $4K to the quote! Are you sure? I already have 5 zones for radiant heat. The AC will not be needed for the basement. Why can't they (my kids) just shut off the registers...
  36. If you are asking me if anyone will be living in...

    If you are asking me if anyone will be living in the basement - yes my two kids.
  37. Yes - I have an entertainment area in the...

    Yes - I have an entertainment area in the basement but the extra zoning for AC (I already have zoning for radiant heat in the basement) adds another 20% to the costs which is over our slim budget....
  38. Open staircase leading to the basement in the...

    Open staircase leading to the basement in the center of the house. The house is long and skinning (98ft x 20-25ft)
  39. Replies
    14
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    1,310

    Hi, I learned that Dominion Power offers an...

    Hi,

    I learned that Dominion Power offers an incentive to hook up a standard hot water tank to a metered line where they control when the heating elements work. During high usage period M-F...
  40. Hi, My dear wife and I have an argument. For...

    Hi,

    My dear wife and I have an argument. For our new construction rambler with a basement and a first floor I believe we can get by with a single zone for cooling, my wife believes that the...
  41. Replies
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    777

    Thank for the reply, The pond is plenty deep...

    Thank for the reply,

    The pond is plenty deep and very close to the house. Plus I feel better using a metal plate as apposed to thousands of feet of plastic tubing. I can mark the plate in the...
  42. Replies
    2
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    777

    Hi, I have narrowed my heating and AC...

    Hi,

    I have narrowed my heating and AC selection to the following configuration:

    1) Water furnace geothermal Synergy3 6 ton for radiant and forced air heating and cooling.
    2) Slimjim - an heat...
  43. Replies
    7
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    1,188

    Ok, If you were in my shoes would you install...

    Ok,

    If you were in my shoes would you install the system in the attic (uncondition space) to gain the ability to locate the registers in the ceiling?
  44. Replies
    7
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    1,188

    Hi, I am installing under floor radiant heat...

    Hi,

    I am installing under floor radiant heat and forced air AC for a 4,000 sqft rancher home. I have 9ft ceiling in both the basement and 1st floor. I also have a small loft above the 1st floor....
  45. Hi, I am considering a 5 Ton and a 3 Ton Water...

    Hi,

    I am considering a 5 Ton and a 3 Ton Water to Water TETCO geothermal units for radiant heating. I would like to configure the 5 Ton unit for AC using a reverse chiller and add a fan coil and...
  46. Replies
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    907

    Hi, I know people on this forum uses...

    Hi,

    I know people on this forum uses HVAC-Calc. I just discovered that the program calculates about 30% less BTU heat load/gain than other programs used by HVAC contractors in my area. I made...
  47. Wifey is my architect and the only HVAC...

    Wifey is my architect and the only HVAC contractor she would pick would be from chipendales!
  48. Thanks for all the great advice! Why can't I find...

    Thanks for all the great advice! Why can't I find somebody on this forum near where I live? Anyone willing to help design this entire system - radiant plus geothermal plus AC? I was hoping to find a...
  49. thanks - I added my past post after you submitted...

    thanks - I added my past post after you submitted the 99% factor. So what should I set my outside temperature - 88 degrees from pervious post?
  50. Ok, are you saying I need to model the...

    Ok, are you saying I need to model the temperature values for typical or worst case conditions? I understand my insulation, infiltration values will not be as planned so should I fudge the numbers or...
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