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  1. Replies
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    I've used a few times. It's pretty nice basic...

    I've used a few times. It's pretty nice basic wifi stat. I didn't mess with the cph or anything though. If I was looking for a stay for my house I would probably do an ecobee.
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    They should be very close to the same. The flue...

    They should be very close to the same. The flue gasses should not be influenced by the outside conditions except for dilution on an atmospheric draft appliance and on a neg pressure vent like an 80%...
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    936

    I've never found a system in residential that has...

    I've never found a system in residential that has too much airflow.

    The simplest way to check airflow is by temp rise on an air handler with electric elements.

    The next quickest is by using...
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    That's all we use is those start collars. I...

    That's all we use is those start collars. I thought everyone uses them.
  5. Replies
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    812

    Regrettably I once was sent to a house to add a...

    Regrettably I once was sent to a house to add a line to an addition and I couldn't find a pair of snips to save my life. So I used a hammer and screwdriver to roughly cut a six in hole and then used...
  6. I don't see why it wouldn't work. Most nominal 3...

    I don't see why it wouldn't work. Most nominal 3 ton units these days have a 32-34kbtu compressor in them for efficiencies sake.
  7. Find a Distributer that will work with you and be...

    Find a Distributer that will work with you and be there to help you not one that thinks they're crap smells of roses.

    Sell yourself, not a brand name. A good many of my sales calls the customer...
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    673

    Take a stroll through your ac graveyard. I've got...

    Take a stroll through your ac graveyard. I've got a box of wires I steal off of old equipment for such repairs. Or I just grab a roll of THHN and some stakons off the truck and replace the wires....
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    Maybe they were flowing nitrogen through the...

    Maybe they were flowing nitrogen through the lines while brazing to prevent oxidation (black flakes) from contaminating the piping. If that's the case then you flow nitro in one side and leave the...
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    You either have to completely seal off the vents...

    You either have to completely seal off the vents air tight, move the thermal envelope to the roof deck to make the attic not so cold(i.e. Spray foam roof deck) or run the blower to keep the inside of...
  11. Filter clean?

    Filter clean?
  12. That sounds about right. The reason you don't see...

    That sounds about right. The reason you don't see trunks that large is because most are undersized. Usually when I do a larger duct system (1400-2000cfm+) it would be centrally located and have 2 or...
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    Efficient use of space...

    Efficient use of space...
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    203

    It's a knockout for an optional circuit breaker.

    It's a knockout for an optional circuit breaker.
  15. I would say Mitsubishi, they are a good deal more...

    I would say Mitsubishi, they are a good deal more expensive than other brands though.
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    I don't really like zone systems but when i do I...

    I don't really like zone systems but when i do I usually use EWC or Honeywell. Jackson systems has a pretty nice setup as well.
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    I would use a static pressure operated...

    I would use a static pressure operated bypass/dump damper.
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    888

    I use the fieldpiece srl8 and tif zx1 but if...

    I use the fieldpiece srl8 and tif zx1 but if those fail I know I can pull out the h10 and find the leak, I only have to get the h10 out 2 or 3 times a year though.
  19. Replies
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    2,332

    They cancelled school today so I'm home with the...

    They cancelled school today so I'm home with the kids, of course it's done nothing but rain at 34*F. They are still saying we may get a little freezing rain and a little snow later this evening but...
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    684

    That was isis' attemp at cyber warefare and Obama...

    That was isis' attemp at cyber warefare and Obama said he had them contained... Pffft
  21. Replies
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    1,758

    Hiding the galvanized pipe from inspector

    Hiding the galvanized pipe from inspector
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    818

    If it was turned on its side or upside down then...

    If it was turned on its side or upside down then let it sit for 24hrs upright before turning it on. If there's a crankcase heater then energize it for those 24hrs to help the oil drain back down.
  23. The number 1 cause of failed vs modules is high...

    The number 1 cause of failed vs modules is high static pressure (i.e. ductwork too small). I'd say that's most likely the root cause of your problems. It makes everything worked harder and hotter...
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    That looks pretty neat. Price point is great too....

    That looks pretty neat. Price point is great too. I have a bluvac and bluvac lte but I may grab one of these too just because I love tools.
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    302

    Most, if not all, ducts leak more than 5% here. I...

    Most, if not all, ducts leak more than 5% here. I know in Cali they have to seal them but here we don't.
  26. I do sheet metal but rarely does anyone want to...

    I do sheet metal but rarely does anyone want to pay for it.
  27. Model and/or serial number?

    Model and/or serial number?
  28. Replies
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    Keep looking

    Keep looking
  29. Replies
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    The latent seems low. Where are you located? ...

    The latent seems low. Where are you located?

    With those numbers I wouldn't use a 2.5 ton unit.

    Did you account for infiltration? Duct losses?
  30. Replies
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    Yep. That's affordable. $220 for 2 pressure...

    Yep. That's affordable. $220 for 2 pressure probes and 2 temp clamps.
  31. Replies
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    2,989

    An Obama supporter

    An Obama supporter
  32. Replies
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    2,989

    You don't buy insurance, you take cash only, you...

    You don't buy insurance, you take cash only, you use a fake name and if the house burns down or something catastrophic happens then you DO NOT answer your phone no matter what and vanish.
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    I use my m12 stuff for virtually everything. Only...

    I use my m12 stuff for virtually everything. Only time I get out the m18 is for a hole saw, mainly because the arbor bit won't fit in my m12 3/8 drill... After using and getting accustomed to the m12...
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    Combustion air and outdoor return air are two...

    Combustion air and outdoor return air are two seperate things.
  35. Replies
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    I don't buy it either. You can't be negligent and...

    I don't buy it either. You can't be negligent and do something stupid but you aren't held accountable for everything on the unit if you make a proper repair.
  36. 390 psi is 115* condensing temp. That's not...

    390 psi is 115* condensing temp. That's not really excessive. Is it causing a problem?
  37. Those charts are never exactly right

    Those charts are never exactly right
  38. Replies
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    I've installed one with nothing but a flare Union...

    I've installed one with nothing but a flare Union in between the indoor and outdoor unit. Removed a little charge and it has worked fine for 3 or 4 years.
  39. Replies
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    You should contact Poodle_Head_Mikey, I bet he'll...

    You should contact Poodle_Head_Mikey, I bet he'll figure it out in less than 15 minutes on site.

    It's really quite simple. Is the pressure switch doing its job or opening when it shouldn't (need a...
  40. Replies
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    Looks like a pretty good install. I don't know...

    Looks like a pretty good install. I don't know about all the add ons but if grandpa got approved them then I don't see a problem with them installing them. Now if they used shady sales/scare tactics...
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    Pricing varies from company to company, city to...

    Pricing varies from company to company, city to city, state to state etc etc. better not to discuss it. Something that would be an outrageous price to me in SC may be cheap in SoCal.
  42. Replies
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    8 tons seems a little excessive. Bigger is not...

    8 tons seems a little excessive. Bigger is not better. What is the square footage of the house? Was a load calculation done on the house?

    As far as brand, it's not really a big deal. All the...
  43. Replies
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    Got any pics? I'd let the installing company...

    Got any pics?

    I'd let the installing company try to resolve the issues before going any further.
  44. Replies
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    391

    Yes there will be a reg at the meter and that's...

    Yes there will be a reg at the meter and that's where it will be marked, It probably depends on the gas provider what method of marking is used. Here some will have a red background on the meter...
  45. It's going to the scrap yard tomorrow anyway. New...

    It's going to the scrap yard tomorrow anyway. New unit installed tomorrow. It's a shame the HWC ruined a 7 year old unit. They should easily last twice that long.
  46. Replies
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    I've never worked on one...

    I've never worked on one
    http://www.roburcorp.com/products/gas_absorption_chiller_ga_acf
  47. Replies
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    Why not just get a big NG generator and power the...

    Why not just get a big NG generator and power the whole house off of it. That's what I would do.
  48. The only way to know is to test the total...

    The only way to know is to test the total external static pressure (TESP) of the system and then choose a filter that keeps the TESP within the furnace's TESP range (which is generally .5"wc).
  49. Replies
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    What do the refrigerant pressures and temps look...

    What do the refrigerant pressures and temps look like? Entering/leaving water temps?
  50. Replies
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    During defrost the auxiliary heat will still come...

    During defrost the auxiliary heat will still come on, even if you have a lockout temp set to keep them off above a certain temperature.

    My strips are locked out above 25*F but they still come on...
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