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  1. "Geothermal Logic"? I know the prestige work...

    "Geothermal Logic"? I know the prestige work very well as you can control the degree difference between the stages. Can this be done with the 8000? I am searching for a thermostat that has less of...
  2. Honeywell 6000 t-stat for residential Geothermal?

    Is a honeywell focus pro 6000 (3h/2c) thermostat acceptable for a residential geothermal heat pump? Why or why not?
  3. Replies
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    Heat strip sizing question

    What is the correct way to size aux/emergency heat strips for residential geothermal heat pumps? Are there any code requirements?
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    6,152

    Here is some info from the nest website in...

    Here is some info from the nest website in regards to the emergency heat question:

    What’s Emergency Heat and does Nest support it?

    Some heat pump systems include a feature called Emergency...
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    691

    Sizing Geothermal Heat Pumps

    Can I have some professional input as to what is the proper way to size geothermal heat pumps? Is it or is it not good practice to size geothermal heat pumps by the full manual j heat load as opposed...
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    Thank you!!

    Thank you!!
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    Can anyone please elaborate, technically, on why...

    Can anyone please elaborate, technically, on why it would be in a company's best interest to avoid the NEST for geothermal applications? I am trying like hell to get this hyped up gadget off the...
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    6,152

    Type error fix : Water to air closed systems

    Type error fix :

    Water to air closed systems
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    Nest

    I agree it works poorly. It's also a nightmare to configure to the geo unit. (Not even sure if it can be done properly).
  10. Replies
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    6,152

    Nest Thermostat and Geo system. Good or Bad??

    Does anyone have the scoop on the Nest thermostat and how it well or poorly it works with a Geothermal Heat pump?..... and why? If it matters, the geo units are water source and almost always closed...
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    Perfect Water Heater Install (Redneck Style)

    Nice isn't it?
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    2,138

    It wasn't the Humidistat. It was the location of...

    It wasn't the Humidistat. It was the location of the humidistat in the return duct. Not enough of the return air was passing over the sensor. It seems I had mounted the humidistat in a sort of...
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    Skuttle F60-1 Steam Humidifier Problem

    What's going on here?: :gah:
    Humidifier runs everytime there is a call for heat. The return relative humidity is 48% (about the same in the living space) and the outdoor air temp is average...
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    Thank you

    Thanks beenthere. Rinnai just made another sale, and there is going to be one more happy homeowner in Northeast PA. :patriot:
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    1,082

    I agree

    I agree with you yellownut, but in this case I don't really have that option. Thanks for your input.
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    1,082

    Gastite vs. Wardflex

    Has anyone found any significant differences between the two as far as quality and saftey go? The current contractor I am doing work for insists on Gastite. I have been using Wardflex for years...
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    Gas pressure drop?

    How do you determine the pressure drop for a gas line?

    :)
  18. Replies
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    1,744

    2010 Energy Tax Credit?

    :anyone:

    Does anyone know if the tax rebate on high effiency water heaters, boilers, etc. is going to continue into this year?
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    514

    Steam boilers and Tax Credit

    Does anyone know if there are any high efficiency residential steam boilers that are eligible for the federal tax credit/rebate? If so can you please shed some light on the matter for me. TYIA ...
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    748

    Winter Condensation in Central A/C

    Condensation in the ducts and water buildup in the flex lines must be common winter problem for an AC only system when the air handler is installed in the attic. Anyways this is the first time I...
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    ERV Honeywell ER150B2006

    How do you wire the Honeywell ERV Model 150 B to operate only when there is a fan call? I do not have the fan timer or any other remote controls. Just the ERV and the furnace. Thanks in advance...
  22. You definatly need a cooling load calc to get the...

    You definatly need a cooling load calc to get the right size unit. I can tell you this: The Geo Unit will be much more efficient than the air source HP. The air temp is always changing, and when...
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    Comparing Water Heaters

    What are the major pro's and cons with the following Water Heater comparisons:

    BTW: I need a 40 Gal. Natural Gas Unit

    Bradford White, GE (Rheem), and Whirlpool ????

    Thank you in advance.
  24. Depends

    Depends on what part of the country you live and also upon your experience level.
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    Thank you for all the great input. The...

    Thank you for all the great input. The fireplace itself was fine (all the right parts, venting, pressure, connections, etc). No CO was detected after many thorough tests. She was however burning...
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    to jispark

    What kind of t-stat are you using? Is it a heat only? The resistor usually comes with the stat. This is what I used with the Honeywell T8775A Digital, Heat only, Round Non-Programmable Thermostat:...
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    2,451

    Soot from gas fireplace???

    I was recently contacted by a woman who claims that she is having a problem with a black residue appearing on her walls, windows and blinds. The only unit operating in the room with the "soot"...
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    Problem solved. Thanks for your help.

    Problem solved. Thanks for your help.
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    There is no C terminal. This is the basic heat...

    There is no C terminal. This is the basic heat only T-87. No resistor came with it, but I do have a few laying around so I'll give it a try. Thanks for your input.
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    T-stat and automatic damper

    I have just installed a Utica PEG-C 150 gas/steam boiler and I am having problems with the automatic damper. I installed a t-87 no mercury t-stat. When the damper is set to automatic it seems to...
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