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  1. Replies
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    Was he a member of this forum?

    Was he a member of this forum?
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    ugh... filtration is critical for the lifespan...

    ugh...

    filtration is critical for the lifespan of the system... 200square inches per ton of cooling... minimum with fiberglass filters, 400 per ton with pleated filters...

    that is an...
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    Could be an old line or extra not used... no...

    Could be an old line or extra not used...

    no way the condenser is working without a line..
  4. If its a Goodman it's likely fine... Goodmans are...

    If its a Goodman it's likely fine... Goodmans are often overcharged
  5. Low flame could be from too much air in heat...

    Low flame could be from too much air in heat exchanger from overheat... Meaning cracked... Meaning replacement needed...
    no warranty on diy furnace I bet...

    good luck
  6. Most systems are designed so ALL vents remain...

    Most systems are designed so ALL vents remain open all the time...

    We have no way of knowing how your system is actually set up.

    Warm air rises... So, in cooling season, you want warm air...
  7. I wouldn't concern myself with what the installer...

    I wouldn't concern myself with what the installer did or didn't do, I'd just realize a low buck install was done, and hire a competent tech to evaluate the ductwork, the home size, and perform a load...
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    Step one. Post some questions in the tech to tech...

    Step one. Post some questions in the tech to tech forum. Get your post count up.

    Two, submit your job title and company credentials to our staff and satisfy the pro membership needs.

    Three, log...
  9. Hmm... perhaps there is another label? 12 amps is...

    Hmm... perhaps there is another label? 12 amps is not much heat... do you have a pic of the boiler? what's it heat?
  10. wow... an old feeders tank. I totally agree,...

    wow... an old feeders tank.

    I totally agree, it's a shame three new valves... and nobody upgraded you to pilotless? crazy!

    anyway, click... then whoosh equals improper ignition. and PROPANE...
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    the nice thing about the sense is the app. a...

    the nice thing about the sense is the app. a great amount of control with it.

    another great feature is the tech support. a phone call gets you someone who will ask a few questions, and properly...
  12. Thread: Duct insulation

    by vstech
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    there are a few methods to insulate ducts, but...

    there are a few methods to insulate ducts, but fiberglass is the most common.
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    ask him, if mold is GROWING, or if it's leftover...

    ask him, if mold is GROWING, or if it's leftover from the cooling season.

    if it's fresh, and growing, ask where the water is coming from... a heating season will not produce moisture.
    ...
  14. well... first off, you hope it's NOT. second...

    well... first off, you hope it's NOT.

    second stage is for when the first stage isn't capable of maintaining temp.

    if the setpoint is being met, you don't need second stage.
  15. What does the contractor suggest?

    What does the contractor suggest?
  16. Replies
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    Cooling. mold will ONLY grow when cool, dark,...

    Cooling.

    mold will ONLY grow when cool, dark, moist conditions are present.

    cant get that in the heating season.
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    have him evaluate the ductwork, and perform a...

    have him evaluate the ductwork, and perform a load calculation on the house to see if it's sized correctly.

    if you decide to repair, you want the repair to last as long as possible.

    if you...
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    your contractor needs to properly set the airflow...

    your contractor needs to properly set the airflow for the demands of the ac unit. we are not allowed to give DIY instructions on this site.
  19. unless the system is drastically oversized for...

    unless the system is drastically oversized for the structure, or the system has multiple modes... set it and forget it is the way to go.

    a geothermal has much greater recovery than an air exchange...
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    agree, the system needs to be totally sealed off...

    agree, the system needs to be totally sealed off at the ceiling hermetically. think seran wrap... otherwise, room humidity will migrate into the cold ducts, and condense.

    running the fan will stop...
  21. RUN from the flex guy... If you wish to tighten...

    RUN from the flex guy... If you wish to tighten up the area, replacing the duckboard with metal duct and insulating it externally may gain you an inch or two, but not worth it in my opinion.

    That...
  22. We can't answer diy questions in this forum. Keep...

    We can't answer diy questions in this forum. Keep in mind that ANYBODY can read this forum before you ask questions with the level of detail here...

    With your school curriculum forwarded to the...
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    Call your gas provider... beware, often if they...

    Call your gas provider... beware, often if they find leaks they SHUT OFF YOUR SERVICE UNTIL AN INSPECTION PASSES WITH THE CITY!
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    Apartment maintenance men are glorified trash...

    Apartment maintenance men are glorified trash cleanup workers mostly... no training at all, and not well suited for service...

    If there are bubbles, there is a leak.
  25. Do your floors have a radiant reflector under...

    Do your floors have a radiant reflector under them? I notice the loops are directly attached to the wood, no foil underlay.
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    This is typical shoddy builder grade...

    This is typical shoddy builder grade installation.

    To fix this, a COMPLETE removal of all or nearly all ductwork, and proper manual J with manual D setup needs to be performed. No contractor...
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    Basically, it's a warning for untrained personnel...

    Basically, it's a warning for untrained personnel to avoid damaging their systems.
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    As for the wall cavity opening, do you have...

    As for the wall cavity opening, do you have another filter up above that one? The cavity could be feeding that return...
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    the minimum filter area for use with STANDARD...

    the minimum filter area for use with STANDARD FIBERGLASS FILTERS is 700 square inches... 20x30 is 600 square inches... so the filter is undersized for a standard filter... a pleated filter merv 10...
  30. What you, and all poorly trained HVAC techs need...

    What you, and all poorly trained HVAC techs need to understand is its a forced AIR system, and AIRFLOW is the critical factor in proper comfort, operation, and life expectancy of the equipment.
  31. And the thing you screwed up is twofold... One,...

    And the thing you screwed up is twofold... One, you assumed it's been done correctly in the past, and two, you are trying to squeeze the plenum down to 8" the friction climbs dramatically with the...
  32. It's why package units often have poor blower...

    It's why package units often have poor blower life... Too small ductwork feeding the house... Resulting in inadequate airflow and extreme high static pressures... And a LOT of noise!
  33. Firstly you need to know what cfm is needed......

    Firstly you need to know what cfm is needed... not simply guess
  34. You state you have no elevated CO2 in the home......

    You state you have no elevated CO2 in the home...

    The issue has NOTHING TO DO WITH CO2...


    The issue is with the BLOOD POISIONING CHEMICAL CO WHICH IS CARBON MONOXIDE... the hole does two...
  35. In your area, I would want an inverter drive 3...

    In your area, I would want an inverter drive 3 ton, with communicating thermostat for maximum efficiency in the shoulder seasons...
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    Is the door that's off in the picture the blower...

    Is the door that's off in the picture the blower door you were discussing?
  37. well done!

    well done!
  38. if you have children, be EXTREMELY cautious and...

    if you have children, be EXTREMELY cautious and properly ventilate the rooms you are demoing... lead dust is disastorous to developing childs brains!
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    On one hand you say you are totally happy with...

    On one hand you say you are totally happy with the installers, but you also state the goodmans are junk...

    This is not true. Goodmans are fine basic systems, but they need to be installed well to...
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    This should be in tech to tech, until you get...

    This should be in tech to tech, until you get your post count up and apply for pro membership... Amazing the info you can get here as a tech.
  41. Replies
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    So, you are saying the FAN does come on when it's...

    So, you are saying the FAN does come on when it's cold, and yet should be running, but the compressor isn't starting? In that case, I'd want to verify the crankcase heater is operating, and the...
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    Register type depends on static pressure and...

    Register type depends on static pressure and airflow velocity and CFM room requirements. I didn't design the system, and I'm not there to evaluate it, but if it's not comfortable the company should...
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    I would want a static pressure reading positive...

    I would want a static pressure reading positive and negative at the furnace, in both ac mode and heat mode. a full temp rise readout, with all stages running, a combustion analysis readout showing...
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    Most likely the problem is simply the outdoor...

    Most likely the problem is simply the outdoor temp sensor is in an area that isn't sensing the ambient temp correctly.


    You might want to lower the setting to -5 so it will be more accurate.
  45. Replies
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    How high are your ceilings? They may have used...

    How high are your ceilings? They may have used incorrect registers that don't coanda or mix the room air correctly.
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    We would need pictures to know for sure, but,...

    We would need pictures to know for sure, but, no... The furnace shouldn't need an external trap.

    However, they may have tied the ac condensate into the line and it might require one. If so, there...
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    the prevailing wisdom 5 years ago has been...

    the prevailing wisdom 5 years ago has been superseded by experience. when the major switch first hit, the hvac companies all got very touchy about it, and the training was on the importance of...
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    yeah, he realized that and emailed he wants to...

    yeah, he realized that and emailed he wants to chat on the phone, but never got in touch with me.

    My daughter goes to uncg, so when I'm visiting her, I"m less than an hour away, but not day to...
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    Most customers simply want their equipment...

    Most customers simply want their equipment repaired or replaced. I have not installed one.

    Back in the 80's GE still used a timer motor wi th relays and temp bulbs for defrost... they cost a...
  50. It's near impossible to beat the comfort and...

    It's near impossible to beat the comfort and economy of wshp because of the constant heat output as well as the cooling and efficiency. .. The loop install sure hurts them...

    Look into inverter...
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