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  1. Does the smell occur if only the blower is on? ...

    Does the smell occur if only the blower is on?

    Sealing the ducts is a good thing from an energy efficiency standpoint.

    You've probably already asked yourself if anything is new in the house or...
  2. It is not condensing equipment which would flue...

    It is not condensing equipment which would flue temperature under 120į. It's not even 80% efficient which would be from 300-400į. So yes, there is a LOT of wasted heat.
  3. I couldn't find anything current about that brand...

    I couldn't find anything current about that brand online. It appears they sold equipment for a time and have disappeared. The name brands can be counted on to be around for years. Not so with...
  4. That clip is hilarious. To the point, people...

    That clip is hilarious.
    To the point, people are no longer able to clearly express themselves. Communication skills are not taught or cultivated any longer.
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    Mention of frozen pipes remined me of this...

    Mention of frozen pipes remined me of this experience.

    One of my property owners leased the first floor of a 3 story brick building to a Chinese restaurant. The building is 110' long. The...
  6. Nest behaves unpredictably at unexpected times.I...

    Nest behaves unpredictably at unexpected times.I refuse to use them because of the problems they have caused.
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    The pipe does not need to be already crimped....

    The pipe does not need to be already crimped. There is a hand tool for crimping pipes. This makes it possible to make pipes of various lengths that fit together neatly.
  8. It's management tech-talk babble. Message them...

    It's management tech-talk babble. Message them back for an explanation.
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    I suspect the house has so much infiltration that...

    I suspect the house has so much infiltration that it brings in air from outside which increases the humidity. You would benefit by tightening the house. Insulation, with the exception of closed cell...
  10. But no low loss fittings on the hoses. Pipe...

    But no low loss fittings on the hoses. Pipe sensor not put on the liquid line so he's just looking at pressures and suction temperature. Less knowledge than a one month apprentice.
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    A big part of the problem is that property owners...

    A big part of the problem is that property owners have it in the lease that the tenant is responsible for repairs or replacement of the HVAC system. I consider it unethical for the reasons stated...
  12. Home warranty sucks. They pay so little that most...

    Home warranty sucks. They pay so little that most contractors refuse to work for them, me included. You're fooling yourself if you think that HW is a good deal.
    Google "home warranty complaints" to...
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    What he said ^^^^^

    What he said ^^^^^
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    80% furnace vents are negative pressure, meaning...

    80% furnace vents are negative pressure, meaning lower than atmospheric. Any leaks will be air leaking INTO the pipe. Had they used a crimper the joints would have been much neater. Do not tape the...
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    The combustion analysis process measures the...

    The combustion analysis process measures the contents of the vent gases - oxygen, carbon monoxide, temperature, and confirms that the appliance is actually venting (not just that it CAN vent.) Since...
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    A combustion analysis is likely to be helpful.

    A combustion analysis is likely to be helpful.
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    In fact, the Prestige doesn't have to be...

    In fact, the Prestige doesn't have to be connected to the equipment 24V source. It's connection to the EIM is wireless so you could use a separate transformer at the t'stat to make it work.
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    If the wireless t'stat has Redlink you can use a...

    If the wireless t'stat has Redlink you can use a Gateway for WiFi.
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    That looks nice. I consider the job a big...

    That looks nice. I consider the job a big improvement o Ed what was there. Good catch finding the other air filter.
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    I donít think Iíve ever seen a pitted capacitor.

    I donít think Iíve ever seen a pitted capacitor.
  21. Gas pressure readings don’t sound right and...

    Gas pressure readings don’t sound right and dropping O2 is a big concern. What’s the combustion air source? Draft measurements?
  22. Be very cautious of the kerosene heater. They...

    Be very cautious of the kerosene heater. They produce carbon monoxide. You should ventilate the space where it is used.
    Store bought CO alarms have a 25% failure rate and a high threshold. Donít...
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    Blower door test to pressurize the house and use...

    Blower door test to pressurize the house and use a smoke generator. You’ll be surprised what you can find.
  24. It was tested by reading the amperage, which was...

    It was tested by reading the amperage, which was in tenths of an ampere, by making a coil of 10 loops of #18 gauge wire to get a reading high enough to register on an ampmeter. The coil was connected...
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    Not yet. Recertifcation courses are online. NCI...

    Not yet. Recertifcation courses are online. NCI announced last week they are working on virtual courses. I'm sure you'll see something about it here as there are many of us who have taken the class...
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    Is there access to the other side of the ducts?...

    Is there access to the other side of the ducts? Such as in an attic or crawlspace. If there is access it may be possible if the space is not too tight. If they are covered on both top and bottom then...
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    The HVAC 2.0 sales process

    I’ve joined a group that’s getting helping me ease the stress about selling.

    The HVAC2.0 sales process. It helps us as HVAC contractors and technicians to widen our view of providing comfort,...
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    His profile said heating contractor but was...

    His profile said heating contractor but was asking about his own basement. Looks he wasn't completely honest about it.
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    I agree. I had one years ago that was mounted low...

    I agree. I had one years ago that was mounted low and the heating output discolored the floor. Keep an eye on the floor.
  30. This part of the forum does not permit discussion...

    This part of the forum does not permit discussion of technical matters. Click on the little black triangle at the bottom of your post and ask the moderator to move it to tech-to-tch.
  31. Any gap will leak. When the ducts are inside the...

    Any gap will leak. When the ducts are inside the house it's not much of an issue. When the ducts are outside the envelope it IS and issue. The company should have sealed those leaks with putty, tape,...
  32. AFAIK, you can still schedule an onsite training....

    AFAIK, you can still schedule an onsite training. NCI can send an instructor. Contact them about fees and health protection.

    I wish we were big enough to do so. We have to be content with sending...
  33. Performance and reliability of the equipment...

    Performance and reliability of the equipment depends largely on the quality of the installation. This isn't a refrigerator that comes fully assembled. In order to achieve good performance the air...
  34. The full class is 3 days of instruction with a...

    The full class is 3 days of instruction with a test at the end of the third day.
    During the NCI summit conference last week, they announced that they are making arrangements for virtual Full...
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    Either elevate the dehumidifier or drain it into...

    Either elevate the dehumidifier or drain it into a condensate pump.
  36. NCI is working on holding online classes....

    NCI is working on holding online classes. Currently there are recertification classes scheduled.

    The Combustion Analysis & CO class is perhaps the most informative class I’ve attended in 35 years...
  37. Since you brought it up, 98% of the lawyers give...

    Since you brought it up, 98% of the lawyers give the other 2% a bad name.
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    The potential problem with a small deadband is...

    The potential problem with a small deadband is that the system will switch modes back and forth too frequently. For most people, a 3* band is within their comfort zone. We set our modes at home 5*...
  39. Precisely my point. How can we tell without...

    Precisely my point. How can we tell without measurements?
  40. I can’t measure it from here. How could we know?

    I can’t measure it from here. How could we know?
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    With more what?

    With more what?
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    I'm curious why you want to do this. The power...

    I'm curious why you want to do this. The power comsumption is the same, just slower with fewer elements on.
    It can be done, but the fan control needs to be taken into account.

    We cannot give DIY...
  43. It's not the equipment, it's the duct system. You...

    It's not the equipment, it's the duct system. You must have static pressure measured to see if a more efficient filter can be tolerated. The blower can only overcome so much resistance. Resistance...
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    Where are the ducts for the house? Ducts in the...

    Where are the ducts for the house? Ducts in the attic or crawlspace pose a bigger problem than ducts inside the house. Leaking ducts inside the envelope only create uneven distribution. Leaking ducts...
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    Have the house leakage tested with a blower door,...

    Have the house leakage tested with a blower door, then run a load calculation. That will tell you what the size should be.
  46. A pancake air handler. They usually don't have a...

    A pancake air handler. They usually don't have a good air filter. pecmsg nailed it. Have the blower removed. Clean it. Clean the coil.
  47. I see a lot of water condensed on the registers....

    I see a lot of water condensed on the registers. How cold are you trying to keep the space?

    It would be helpful to know the size of the equipment and the size of the space, though I understand...
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    Position of the logs is critical. Incorrect...

    Position of the logs is critical. Incorrect position can cause flame impingement and generate soot. It can cause other issues, too. Since your fireplace is used, I suggest finding the manufacturer's...
  49. It was clear from the picture from the other tech...

    It was clear from the picture from the other tech that he was ignorant of how to use a CA.
  50. James, you are asking for DIY advice. Site rules...

    James, you are asking for DIY advice. Site rules do not permit us to provide that.
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