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  1. Thats guessing, not diagnosing. You could replace...

    Thats guessing, not diagnosing. You could replace lots of parts and never find a solution.
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    " Why are you arguing over a feature I want, like...

    " Why are you arguing over a feature I want, like and use? "

    Because we have more experience with thermostats and setbacks. The advice is free but you don't have to take it.
  3. X2 Though, the humidifier will have a greatly...

    X2

    Though, the humidifier will have a greatly reduced capacity when the heat pump is running because of lower plenum temperature. That's where the steam humidifier is superior because it is not...
  4. Have you considered a steam/electrode humidifier...

    Have you considered a steam/electrode humidifier which can be mounted remotely?
  5. What fool put the manuals against the vent pipe?

    What fool put the manuals against the vent pipe?
  6. Discussion on closing registers to save money - Linked

    Something you guys might enjoy reading about closing registers.

    I recently re-read this post by Allison Bailes on the Energy Vanguard site. His blog always presents informative and well reasoned...
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    I have monitored the humidity of our bathroom. It...

    I have monitored the humidity of our bathroom. It takes 15-20 minutes to reduce RH from 75% back to 50%.
    I installed a timer for the fan. My wife doesn't like the fan running while she's wet so we...
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    Steam? You have water in the vent at 212°?...

    Steam? You have water in the vent at 212°? There's your problem!
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    Individual rooms overheating when the doors are...

    Individual rooms overheating when the doors are closed indicates air is not circulating through them. The duct system needs to be revised and balanced.
    And it may be that the furnace is too big. ...
  10. We can't help you with DIY. Site rules. Even...

    We can't help you with DIY. Site rules.

    Even if such help were allowed, it is not possible to identify the plug without a wiring diagram or the model number.

    Home warranty companies are a...
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    FOR CRYING OUT LOUD! The last post in this thread...

    FOR CRYING OUT LOUD! The last post in this thread was in 2009, 10 YEARS AGO! Have you no manners?
  12. You're looking for a way to lower your cost. We...

    You're looking for a way to lower your cost. We have costs as well and that's why we charge for our time, our tools, our training, our vans, our insurance, our office, our taxes, etc...

    The...
  13. It appears you'll be buying the equipment online....

    It appears you'll be buying the equipment online. That's cutting corners. Warranty for that often does not exist. Finding a qualified contractor willing to install it may be impossible. Getting an...
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    Them you have a new friend! It does pay to asses...

    Them you have a new friend! It does pay to asses them first.
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    Baloney! Get a better tech.

    Baloney! Get a better tech.
  16. Replies
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    650

    It is possible that the replacement motor is not...

    It is possible that the replacement motor is not wired correctly. Another possibility is that the original motor was set for the incorrect speed but the new one IS on the correct speed.
    Did the...
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    I find that they’ll give you some space by asking...

    I find that they’ll give you some space by asking if they know their personal savior Jesus.
  18. Replies
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    I hope you really don’t expect you’ll never need...

    I hope you really don’t expect you’ll never need to get a technician to come to your house. HVAC systems, especially dual fuel systems, require careful set up and maintenance.
    There are numerous...
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    A tech who measures stuff. Are you really a...

    A tech who measures stuff.

    Are you really a contractor?
  20. Why not run the diagnostic instead of letting us...

    Why not run the diagnostic instead of letting us do the work for you?
  21. Replies
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    There are thermostats that say heat pump, but NOT...

    There are thermostats that say heat pump, but NOT with auxiliary heat. They will work with a heat pump, but that’s not useful in our zone.
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    HVAC also includes non-central air conditioning...

    HVAC also includes non-central air conditioning such as ductless systems for a single room.

    OP, you need to be more specific.
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    I would immediately disqualify contractor #2...

    I would immediately disqualify contractor #2 because he failed to determine what size is needed. This is the reason I don't do a load calculation prior to getting a signed contract. If he doesn't...
  24. I suspect that's an exaggeration. Few houses have...

    I suspect that's an exaggeration. Few houses have zero infiltration and that's an unreasonable target.
    How tight would a house have to be for NO air to infiltrate and how long would it take for the...
  25. Consider all the appliances that blow air out of...

    Consider all the appliances that blow air out of the house - bathroom fans, range hood, clothes dryer, anything that burns fuel such as a water heater or furnace (if you have those). The house must...
  26. Thread: New Member

    by kdean1
    Replies
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    269

    Welcome back! :putergreet:

    Welcome back! :putergreet:
  27. Was your old thermostat a Nest? They are...

    Was your old thermostat a Nest? They are notorious for intermittent problems.
  28. Terminology correction - "heat pump", not "air...

    Terminology correction - "heat pump", not "air heat pump."

    As the others have asked, how did you arrive at the sizing of the equipment? A mistake now will plague you for years. Insist on a load...
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    Furnaces are all equipped with a limit. But that...

    Furnaces are all equipped with a limit. But that behavior is not what a limit switch does.
    If the control board was replaced a year ago it may not be at fault.

    You need a tech on site to find...
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    Thanks for the update. We’re glad you got a...

    Thanks for the update. We’re glad you got a satisfactory outcome.
  31. The furnace must overcome the resistance of the...

    The furnace must overcome the resistance of the duct system, coil, and filter. Most duct systems are undersized. No chart can tell you what the static pressure is. It must be measured.
    A qualified...
  32. Are you a tech?

    Are you a tech?
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    Did you take the plastic wrapper off the filter?...

    Did you take the plastic wrapper off the filter? It has happened?

    And Nest is a terrible thermostat.
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    The pictures show us this was hacked together....

    The pictures show us this was hacked together. For your safety and comfort you should hire someone with airflow expertise. It’s going to cost you, either to repair it or paying utility bills.
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    Ventless heater AND smoking? I recommend a low...

    Ventless heater AND smoking? I recommend a low level CO alarm so people will know how bad the air is in the room.
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    Air filter clean? Don’t use a 1” pleated filter....

    Air filter clean? Don’t use a 1” pleated filter. They’re too restrictive.
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    Site rules prohibit giving advice for DIY. These...

    Site rules prohibit giving advice for DIY. These systems are complicated. You need someone either with experience on that equipment or someone who has the skill and access to Sanyo tech support. ...
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    There’s no need to defrost it if you’re not using...

    There’s no need to defrost it if you’re not using it.

    We can use our heat pump down to 25* under normal conditions. But weather conditions were unusually wet and cold here for a couple of weeks...
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    Still in the wrong forum. This discussion is not...

    Still in the wrong forum. This discussion is not appropriate in AOP.
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    What is the source of the clicking? Fan, relay,...

    What is the source of the clicking? Fan, relay, refrigerant lines?
    What do you mean “the contactor burns out?” That would be my first concern, not the clicking.
  41. Thread: TXV question

    by kdean1
    Replies
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    813

    His profile states he is a building owner. That...

    His profile states he is a building owner. That makes it DIY
  42. Thread: HONEYWELL EIM

    by kdean1
    Replies
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    391

    Google Prestige IAQ

    Google Prestige IAQ
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    That sums it up. This is what happens when you...

    That sums it up.

    This is what happens when you circumvent professionals to save money.
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    Ryan You have posted in a forum for homeowners....

    Ryan
    You have posted in a forum for homeowners. It belongs in the tech to tech forum. Click the little black triangle at the bottom of your post and ask the moderators to move it.
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    Yes. Give us specifics. Model, a thing...

    Yes.
    Give us specifics. Model, a thing technical that you have measured.

    Also have your post moved to the correct forum, the tech to tech forum. Click the little black triangle at the bottom of...
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    I’m reasonably certain he was referring to...

    I’m reasonably certain he was referring to “ventless” or vent-free” heaters which are very popular. There was no mention of a fireplace.
    i suggest you dial it back before you succeed in alienating...
  47. Thread: CO detector

    by kdean1
    Replies
    4
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    282

    Wearing mine now. It goes with me when I travel....

    Wearing mine now. It goes with me when I travel.
    ...
  48. Thread: High delta-T

    by kdean1
    Replies
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    1,225

    Oops. My mistake. There is another thread...

    Oops. My mistake.
    There is another thread involving a similar problem.
  49. Thread: High delta-T

    by kdean1
    Replies
    41
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    1,225

    The exhaust pipe was not properly sloped and...

    The exhaust pipe was not properly sloped and supported. It has sagged which causes water to collect in the low spot. This will restrict the vent and can lead to the pressure switch opening. That will...
  50. Thread: High delta-T

    by kdean1
    Replies
    41
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    1,225

    An evaporator coil will have pressure drop around...

    An evaporator coil will have pressure drop around .25”. Add that and an air filter with .1-.2” drop and the static pressure is closer to .8”
    Return pressure of .3” is high.
    Your tech seems to be...
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