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  1. Replies
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    This is a 13 SEER system. Upgrading to the 16...

    This is a 13 SEER system. Upgrading to the 16 SEER brings better efficiency into thwe picture obviously, but the Performance Series furnace will add two stage heating and a multi-speed high...
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    It is normal for a poor setup, but not normal if...

    It is normal for a poor setup, but not normal if the system is configured properly. The EAC should work, and the ODTS should read a temperature at the thermostat.
  3. There is a small company in the Houston area that...

    There is a small company in the Houston area that does excellent work. Golden Rule air conditioning and heating 281-500-7874. Good luck
  4. It is all about the company and the trust you...

    It is all about the company and the trust you have that they will do a quality install... People here all have their preferences, some will sing Trane, some Carrier, and some others... Brand is not...
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    A Carrier condenser and a Lennox coil is...

    A Carrier condenser and a Lennox coil is mis-matched eqipment and I would strongly advise against it...

    AHRI would not approve those two components together.
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    And no, Cauliflower is not the problem......

    And no, Cauliflower is not the problem... Although my kids might disagree with that diagnosis.

    :-)
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    Turn off Caps-Lock. I would love to give you more...

    Turn off Caps-Lock. I would love to give you more assistance, but it is not allowed in this section of the forum as someone could get hurt if we gave advice here and it was not carefully followed......
  8. Make sure the guy you trust is worth the trust...

    Make sure the guy you trust is worth the trust you put in him, and if it is, then go with him... A trustworthy recommendation and costs less... If there isn't something strange there it is a...
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    Sizing of the main return trunk is not AS...

    Sizing of the main return trunk is not AS critical as it is on supply duct, but it is still of some importance. Make sure that it is sized properly to handle the CFM going through it, and if it is...
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    On the extended labor warranties make sure to...

    On the extended labor warranties make sure to find out if it is a manufacturer warranty or a contractor provided warranty. A manufacturer warranty offers a lot more freedom in choosing service...
  11. There are two primary comfort advantages to two...

    There are two primary comfort advantages to two stage equipment.

    First, there are smaller temperature swings and less deviation from setpoint. On single stage equipment you set the thermostat to...
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    http://www.furnacecompare.com/ac_ratings.html ...

    http://www.furnacecompare.com/ac_ratings.html

    http://www.furnacecompare.com/furnace_ratings.html

    http://www.furnacecompare.com/heat-pumps/ratings.html

    There is a very recent Consumer Reports...
  13. A 17 SEER AC is 5.88% more efficient than a 16...

    A 17 SEER AC is 5.88% more efficient than a 16 SEER, assuming both are installed properly. Assume that during peak cooling months that cooling accounts for 30-45% of your summertime power bill...
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    No, they cannot all be right. Load Calcs take a...

    No, they cannot all be right. Load Calcs take a lot of information into account including orientation of the structure, shading, insulation values, ect... If these are not input correctly you will...
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    Get a new contractor.

    Get a new contractor.
  16. My advice is to call a pro... If you try to pick...

    My advice is to call a pro... If you try to pick up HVAC repair on your own in your free time you will hurt yourself, damage your property, damage someone else's property, or kill someone... Saving a...
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    Congratulations on installing mismatched...

    Congratulations on installing mismatched components without it being an unabridged catastrophe. That alone is actually an accomplishment. Time will prove if it was a long term success. Hopefully it...
  18. Replies
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    Something sounds wrong there... You can't use the...

    Something sounds wrong there... You can't use the heat pump below 63 degrees? What would be the point of having a heat pump then? You dont need any heat when it is 64 degrees outside...

    I have a 4...
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    Honeywell FocusPro 6000 series is a great basic...

    Honeywell FocusPro 6000 series is a great basic 5-1-1 programmable thermostat. If you have IAQ accessories like humidifiers then look at the Honeywell VisionPro 8000 series. Either one of those will...
  20. Thread: Vacuum Pump

    by HVACTechNC
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    1,447

    Get to 500 and you are doing ok. Get to 250 and...

    Get to 500 and you are doing ok. Get to 250 and you are doing great. 15 is unnecessary and unattainable.
  21. Are you asking a question. I might have missed...

    Are you asking a question. I might have missed something, but it seems like you are making a bunch of statements.
  22. Replies
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    It is a communicating thermostat that controls...

    It is a communicating thermostat that controls the HVAC system through 2 wires, the D+ and D- (or D1, D2) wires rather than they traditional multi-wire bundle used in old low-voltage control systems....
  23. Well, that about sums it up.... Thread closed....

    Well, that about sums it up....

    Thread closed. :grin2:
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    I am sorry to say we cannot offer DIY advice...

    I am sorry to say we cannot offer DIY advice here. If the fan relay and the thermostat have been replaced I am thinking it may be a problem in the low voltage control wiring. You will definately need...
  25. Consider upgrading to a digital stat. The...

    Consider upgrading to a digital stat. The increased efficiency gained by an accurate read of the temperature will offset the cost in a year or two, and it will be much more attractive and easy to...
  26. If the technician informed the customer and had...

    If the technician informed the customer and had them initial that they were aware of the issue there is no liablility for the technician or his company. Once the homeowner is aware it is their...
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    Please call a pro. Pretty Please. With sugar on...

    Please call a pro. Pretty Please. With sugar on top.
  28. Give it a week or two as the system "learns" the...

    Give it a week or two as the system "learns" the runtimes needed to satisfy the load of the home. It should settle down after that.
  29. Replies
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    Those pics look like pretty solid work to me. I...

    Those pics look like pretty solid work to me. I would not worry about it too much, seems insulated from condenser to evaporator with no gaps. Insulating both lines is a step above the norm. I would...
  30. Either is acceptable so long as the duct is R-8...

    Either is acceptable so long as the duct is R-8 insulated.
  31. The product you are speaking of is ductboard....

    The product you are speaking of is ductboard. Others may have their own opinions of it, but I think it is crap. It is flimsy, weak, and is destroyed if there is ever a moisture problem. If I were...
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    It is impossible to say what the cause could be...

    It is impossible to say what the cause could be from the description you gave. Your local pro should be able to properly diagnose it for you. One thought - your thermostat sounds like an extremely...
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    Sounds oversized to me on both the heating and...

    Sounds oversized to me on both the heating and cooling sides.
  34. I will try to help. Here is my assesment of the 4...

    I will try to help. Here is my assesment of the 4 options you have presented.

    Replace the whole system - Definately the most expensive option on the front side of the equation. This will provide...
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    Um, not in my humblest of opinions. I have seen...

    Um, not in my humblest of opinions. I have seen Goodman coils with so many leaks on them they could be used as a shower head.
  36. The truth is that you do need a new air handler....

    The truth is that you do need a new air handler. It will not be a match. Unless it was a top tier system 11 years ago it is a 10 SEER system, and the SEER minimum today is 13. You will not have an...
  37. Hypothetically speaking, of course.

    Hypothetically speaking, of course.
  38. Replies
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    Let the heat pump run. Even below 20 it is more...

    Let the heat pump run. Even below 20 it is more efficient than electric heat.
  39. Replies
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    Goodman is the hardest brand to get.... That...

    Goodman is the hardest brand to get....

    That was my joke of the day.
  40. He might be right, but I would think the odds are...

    He might be right, but I would think the odds are against an evaporator coil lasting 21 years. Has it happened? Sure... Likely, no.

    So, if cash up front is a huge concern then that might be a good...
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    If the duct sealing is an add on item to a...

    If the duct sealing is an add on item to a proposal then you definately are not getting through to the contractor on the importance of duct sealing. We do "minor duct sealing" any time we install a...
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    If you are looking for opinions on the equipment...

    If you are looking for opinions on the equipment I think you will get mixed feedback on both units. Opinions on equipment preferences is as variable as the people from whom you solicit those...
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    Zoning can be a problem with furnaces if the...

    Zoning can be a problem with furnaces if the small zone is so small that the furnace cycles tripping the high limit. Proper duct sizing is critical for the smaller zone.

    I also am not a huge fan...
  44. Thread: Videos

    by HVACTechNC
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    www.noDIYonthissite.com

    www.noDIYonthissite.com
  45. Replies
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    We are assuming that the Manual J was done...

    We are assuming that the Manual J was done correctly. I have seen some really screwed up design parameters that have produced totally whacky load calculations.

    So long as the calculation was done...
  46. I would not recommend replacing the condenser on...

    I would not recommend replacing the condenser on a 16 year old system. The evap coil may fail in a year or two and availability of parts may start to get iffy at that point.

    It is "illegal" to...
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    It sounds like we are discussing pricing...

    It sounds like we are discussing pricing here.....

    ......

    ...........

    Yep, definately discussing pricing...

    I dont know about where you are, but a service charge would cover 30-50% of the...
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    Poll: Based on what you have told us thus far I would...

    Based on what you have told us thus far I would agree with the second contractor you spoke to. It is always advisable to install equipment according to manufactures specs. If they say 24", then 24"...
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    Did your contract specify what lineset was to be...

    Did your contract specify what lineset was to be installed? If not, I would ask the contractor why a different size than the maufacturer's recommended line set was installed. I also would consider...
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    Just an opinion, but I would purchase the York...

    Just an opinion, but I would purchase the York system if it was for my house, and those were the two options. York makes excellent furnaces.

    Definately get a manual J done. Either call back the...
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