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  1. Replies
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    Raise the furnace. Put transition between coil...

    Raise the furnace. Put transition between coil and furnace... mount humidifier
  2. Replies
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    334

    well... technically, it does shift the phase to...

    well... technically, it does shift the phase to allow a motor to start... balancing the a/c field... but the ONLY reason to call it that is to BS a customer into paying a crazy price for a part, and...
  3. Thread: New HVAC Sstem

    by vstech
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    591

    ok... the post you quoted was not to question you...

    ok... the post you quoted was not to question you and your knowledge... it was to point out how little you were told about the ductwork that was tested to be fine...

    NOTHING we post is intended to...
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    423

    oil furnace flue piping is the HOTTEST of all the...

    oil furnace flue piping is the HOTTEST of all the forced air heating systems... that chimney pipe could be over 400F... it seriously needs to be properly installed (I cannot tell from the photo if it...
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    check the plantings beside the unit... Thorny!...

    check the plantings beside the unit...

    Thorny!

    notice the sprinkler head near the basement window? rose bushes... funn...
  6. Replies
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    334

    I see this on invoices all the time. customers...

    I see this on invoices all the time.
    customers show me the outrageous prices that "techs" are charging and justifying it by renaming the part some technobabble that cannot be found on the internet...
  7. Thread: New HVAC Sstem

    by vstech
    Replies
    23
    Views
    591

    if the same contractors tested your ductwork are...

    if the same contractors tested your ductwork are saying they do not perform Manual J Load calculations... anyway.

    testing for leakage and reporting it's fine... very specific results no?

    forget...
  8. Replies
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    687

    what is the system sitting on? in my area,...

    what is the system sitting on?

    in my area, the ductwork needs to be covered with a metal skirt that surrounds the opening in the house, and seals it to the equipment... exposed ductwork is not...
  9. Thread: New HVAC Sstem

    by vstech
    Replies
    23
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    591

    if the house is from 1986, and the current...

    if the house is from 1986, and the current equipment is rotted with holes in the cabinet... odds are good, SEVERAL things need to be resolved.

    #1 would be moisture in the crawl. is there at least...
  10. look to the cause for the leaking coil. is...

    look to the cause for the leaking coil.

    is your house tight construction? does it have fresh air ventilation?

    do you have any air cleaning installed? perhaps look into VOC contamination in the...
  11. Replies
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    151

    so, did he charge you for this opinion, or just...

    so, did he charge you for this opinion, or just leave an estimate for the system replacement? did he fix anything?

    rust is normal. EXTENSIVE RUST that compromises the coil tubing and causes a leak...
  12. Replies
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    299

    look on amazon for them. they have the best...

    look on amazon for them. they have the best prices I've seen.
  13. anything you do will reduce the airflow and...

    anything you do will reduce the airflow and increase the TEL of the run.

    if you move the boot to the run bay, you STILL need the elbows to get the duct flowing into the boot.
    you could use a side...
  14. Replies
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    849

    our contractor locator is one of the best ways to...

    our contractor locator is one of the best ways to assure a system gets installed correctly. the techs that frequent this site and maintain membership get access to so much training, and assistance,...
  15. hard to imagine a spray foam house 2100 sqft that...

    hard to imagine a spray foam house 2100 sqft that needs two systems...

    there should not be any unconditioned space in a spray foam house...

    just checking...
  16. 350kwh/month... I'm guessing your entire kitchen...

    350kwh/month... I'm guessing your entire kitchen is gas? potable water is heated with the boiler?

    NOTHING will be as comfortable in your home as the hydronic system you have. ductless minisplits...
  17. Replies
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    591

    FYI... the furnace your house needs should be...

    FYI... the furnace your house needs should be sized to run nearly constantly. the heat is LEAVING your house constantly... why shouldn't the heat run to match the loss?

    1500sqft... LIKELY only...
  18. Replies
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    591

    the only system that is going to work with those...

    the only system that is going to work with those ducts would be a franklin stove...
    you need a furnace that is very hot, and has a huge heat exchanger with low airflow.

    nothing modern exists that...
  19. Replies
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    591

    the problem you are facing is 90,000 btu's of...

    the problem you are facing is 90,000 btu's of heat must have over 1000 cfm of air move across the heat exchanger to keep it from failing. without this airflow, the flame will short cycle against the...
  20. I was told by my distributer that Honeywell has...

    I was told by my distributer that Honeywell has recalled their trusteam line. free replacements by another vendor. I'm ironing out the details next week... sounds good to me.

    hard to believe a...
  21. Replies
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    627

    tighter houses result in poor air quality that...

    tighter houses result in poor air quality that builds up corrosives in the air that collect on the coil, and the high efficient thin wall coils develop leaks. new coils have tin coatings or aluminum...
  22. Replies
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    627

    what part of NC are you in? what equipment do...

    what part of NC are you in?

    what equipment do you have now? 8 years around here is not long. as long as mother nature doesn't hit your system, it should be good for another 10 years or more if...
  23. Replies
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    354

    this is not a low cost part... it's not...

    this is not a low cost part... it's not expensive, but it's not "simple"

    as stated, it helps your system start. without it, every single start your compressor makes is overly strained, and will...
  24. this is another benefit of geothermal (besides...

    this is another benefit of geothermal (besides near constant comfort and very low energy bills) the equipment is inside. nothing is outside at all... but the water loops underground.
    from a green or...
  25. we cannot assist with DIY, but a qualified tech...

    we cannot assist with DIY, but a qualified tech can sort out your issues.

    the furnace is locked out. it's POSSIBLE if you turn off the power and turn it back on, it will work. but more likely,...
  26. Replies
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    Agreed. Call the installation company and explain...

    Agreed. Call the installation company and explain the issue to a service manager. Something is not right, and the equipment needs a full report before we can provide much assistance. At a minimum,...
  27. Replies
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    ok... if your tesp is 1"... you do not know how...

    ok... if your tesp is 1"... you do not know how undersized your ducts are because 1" is the maximum the blower can produce...

    at a certain pressure, a pipe can only flow so much air.

    all...
  28. ok, the best you can do for your house is to...

    ok, the best you can do for your house is to REMOVE the insulation you currently have in the attic, and foam seal all seams, and stud penetrations from outside walls to inside... I mean seal...
  29. If you REALLY want efficient operation, look into...

    If you REALLY want efficient operation, look into geothermal systems.
    Before you dismiss it due to installation costs, remember there are MASSIVE tax credits and deductions for using them.
  30. Well, if you get 9" ducts to all the registers,...

    Well, if you get 9" ducts to all the registers, and all the ducts are sealed, the house is going to need to run around 60 degrees Fahrenheit to get humidity low enough to be comfortable. You are...
  31. FYI... six 6" ducts, with I'm guessing a 4" in...

    FYI... six 6" ducts, with I'm guessing a 4" in the bathroom? only flows about 450 CFM... so... unless the leaks are spilling 1000 cfm into your attic, the system has BADLY undersized ductwork...
  32. not necessarily... the CORRECT thing to do would...

    not necessarily... the CORRECT thing to do would be to find out how much load your house has, and replace the system you have with the right size.

    with all the air leaks fixed, and the ductwork...
  33. Replies
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    compressor failure in under 2 years... wow. I...

    compressor failure in under 2 years... wow.

    I would have an independent company come out and evaluate the system and it's installation to determine what caused the compressor to fail. you will...
  34. ugh... you have a duct system that is not capable...

    ugh... you have a duct system that is not capable of flowing more than 2 tons with a 3.5 ton system attached to it.

    what size is the duct running to the 8.5x13 registers? they would need to be 9"...
  35. Replies
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    586

    limit code flashing... no diagnostic to determine...

    limit code flashing... no diagnostic to determine the blower failure besides a finger spinning the wheel... I recommend calling the company, and explaining the scene, and asking their honest opinion...
  36. wow... being behind on communicating...

    wow...

    being behind on communicating equipment makes the company equipment junk?

    the MOST important criteria in any equipment is the INSTALLER... communicating equipment is great, but I'd...
  37. Replies
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    I wish I'd seen this thread sooner... ...

    I wish I'd seen this thread sooner...

    seriously. how can TWO "well rated contractors" determine a compressor failure in a straight cool a/c unit is causing a heating system not to function?

    if...
  38. Replies
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    641

    air locks are a different issue. you need better...

    air locks are a different issue. you need better bleeders to give the air a place to go.
  39. Replies
    14
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    641

    many are designed this way to keep the hot boiler...

    many are designed this way to keep the hot boiler output water off the pumps for added longevity.

    also, pushing water into the boiler, keeps air from forming cavitation in the boiler.
  40. Replies
    19
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    641

    yes. the airflow is too fast through the filter....

    yes. the airflow is too fast through the filter. the box is too small, and the air filter is too small for the equipment.

    where do the return plenums go? do you have multiple returns, or hall...
  41. Replies
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    993

    look to your attic, and the separation line...

    look to your attic, and the separation line between it and your living space...

    if you TRULY are getting 48F air, and 4-600FPM velocity then you have air influx massively changing your structure...
  42. this could also be a stupid plumber used the flue...

    this could also be a stupid plumber used the flue as a sewer vent... I'm just sayin...
  43. in all likely hood... the homeowner is the...

    in all likely hood... the homeowner is the installer...

    that said, if there are any studor vents in the house, they are subject to CO leakage, the washing machine drain is subject to CO leakage,...
  44. Replies
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    463

    A lot of variables. .. installation and load Calc...

    A lot of variables. .. installation and load Calc is the biggest. ..
  45. it's near impossible to find a better replacement...

    it's near impossible to find a better replacement pump than the originals. but rubber parts do wear out. as do the couplings. simple service gets the pumps ready to go another 30 years... but you...
  46. however, the 16x20 return grills are TOTALLY...

    however, the 16x20 return grills are TOTALLY inadequate.

    I agree your ductwork needs proper sizing and should be sealed if any ducts are in unconditioned spaces.
  47. agreed. what is wrong with it? motors are...

    agreed.
    what is wrong with it?

    motors are simple replacements, as are bearings, impellers, and couplings.

    why are you replacing it?
  48. Replies
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    1,106

    how many total tons of cooling capacity are we...

    how many total tons of cooling capacity are we talking about here? three 600' runs do not seem close to enough to handle 3 systems... unless they are small...
    and due to solar gain in the loop, I...
  49. Replies
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    690

    what is the climate in your area? I'm not...

    what is the climate in your area? I'm not familiar with CA.

    3100sqft with two furnaces each having 1hp motors sounds like overkill to me. so, likely there is room for improvement in both electric...
  50. what part of NC are you in? I know several...

    what part of NC are you in?

    I know several neighborhoods in the charlotte area that fit your description.

    90% equipment gives you better venting options. Be sure you include dual fuel...
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