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  1. Thanks catmanacman for the feedback. If that's...

    Thanks catmanacman for the feedback.
    If that's that's the case re: "fan-on" - i.e. the HVAC+AH pick it's own speeds - is fan speed option more for working with the air cleaner mode or for moving air...
  2. Fan Speed settings Trane XR16 & XL950 T-Stat?

    On my setup, there is a fan setting option on the t-stat for low-med-high fan speeds.
    The fan is set to run whenever the Heat Pump runs.

    I've never changed it from the low setting (50%) that the...
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    Thank you! That exactly what it is..guess it...

    Thank you! That exactly what it is..guess it always feel colder in winter.
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    I just want to confirm I understand what you...

    I just want to confirm I understand what you wrote above: that if the HP is doing a defrost, then the air coming out of the vents inside the house will be kool...even if the heat strips are being...
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    Heat strips & defrosting?

    Just trying to learn about the operational conditions of when a Heat Pump outside unit initiate defrost does it:

    1) Spin its fan?
    2) Does the air handler unit blow warm air via the auxiliary...
  6. Aux heat strip working? Trane XL950 T-Stat - Any way to see when Aux/Backup heat run?

    Noticed during a recent icy rain cold snap that my outside unit wasn't running & the inside air handler was just circulating cooler air -similar to this poster.

    This happened for 2 days & only...
  7. Thank you both!

    Thank you both!
  8. Ahhh - i see. So in my picture for the last...

    Ahhh - i see.

    So in my picture for the last 7 days there have been:
    1) W1/W2 cycles: 37
    2) W1/W2 run time in hrs: 4.9
    3) 24 cycles for 3.4 hrs. where Aux heat was activated (#1+2 Less the...
  9. What does this mean on my T-Stat run History?

    What does the W1/W2/W3 represent below?
    Is that the number of cycles/hours - that my t-stat is calling on the aux/emergency heat strips?

    This is the run history on my T-Stat:
    545961


    My...
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    We're finally hitting a real cold snap here in...

    We're finally hitting a real cold snap here in the East & wanted to confirm this is still sage advice for my heat pump setup?
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    Great comparison here of most of the leading...

    Great comparison here of most of the leading smart t-stats: http://smartthermostatguide.com/
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    Did NEST solve 1 & 2 from above ? ...

    Did NEST solve 1 & 2 from above ?

    https://nest.com/support/article/What-is-Heat-Pump-Balance

    And Zoning with Dampers here:
    ...
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    Yep that's howI understand it. Same electric...

    Yep that's howI understand it.

    Same electric strips to help in supplement the HP in Aux mode or use by itself in Emergency when HP isn't working.
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    Ahhh I understand now! A little slight...

    Ahhh I understand now! A little slight variation: Aux works with the HP while EH works without.

    Thanks all for the definitional clarity & the tips for testing.
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    Did I misstate in thinking that Aux Heat = EH? ...

    Did I misstate in thinking that Aux Heat = EH?

    I always thought that if the heat pump couldn't maintain my cold season set points that it would call in help from the EH or Aux heat.
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    Emergency Heat testing?

    I mentioned to the maintenance tech during our spring checkup that it appears the aux EH wasn't running during the winter.

    Noticed in my Trane 9TZ950 T-Stat run history that there were fewer than...
  17. Would negating the onboard temperature sensor &...

    Would negating the onboard temperature sensor & going with an external one help this out?
  18. Trane thermostat shows wrong room temp & keeps AC running

    My Trane ComfortLinkII 950 thermostat in my master bedroom keeps showing a room temp of 80 while a nearby desk t-stat shows the room around 74...and it feels 74 not 80!.

    Obviously, this keeps the...
  19. the Honeywell proximity sensor -Geofencing - is...

    the Honeywell proximity sensor -Geofencing - is GPS based. That's is a better leap for comfort than just in house proximity sensor.
    I know my Trane XL950 t-stat allows only a regid predefined...
  20. Will this finally kill the NEST's facade? Honeywell's Lyric Thermostat

    http://www.marketwatch.com/story/comfort-when-youre-home-savings-when-youre-away-introducing-honeywells-lyric-thermostat-2014-06-10?reflink=MW_news_stmp
    ...
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    Like second opinion stated - less than 1 year...

    Like second opinion stated - less than 1 year old. System is scheduled for service in mid April for first of 2 services in 2014.
    4 inch AprilAire 2210 media filter at the air handler.

    Will most...
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    I heard the screech from inside the house. So I...

    I heard the screech from inside the house. So I open the window next to the outdoor unit to investigate. Unsure if it was the compressor or outdoor unit.


    Yes no vapor for sure. If there was...
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    Is this demand on defrost in action?

    My Outdoor unit stopped w/ big screech this AM & cold air started blowing out from the registers inside the house.
    I open the window right next to the outdoor unit & noticed it was making a...
  24. Would switching out my 950 t-stat to the HW's...

    Would switching out my 950 t-stat to the HW's gain anything for me in terms of communicating command & control?
  25. Yeah, I feel like they had some inventory they...

    Yeah, I feel like they had some inventory they were trying to unload on my builder - in this case the heat pump (my XR17 was really a rebadged XR16 that re-designated in mid '13).
    So when I came on...
  26. What does "Communicating" Unit/Equipment mean?

    I see the word "Communicating/Non-Communicating" used here.

    I have a "Communicating" TAM8 Trane airhandler + a "Non-Communicating" Trane XR17 heatpump + a Trane 950 CL2 T-STAT.

    What does the...
  27. Thanks spoonfed. I actually looked at that...but...

    Thanks spoonfed.
    I actually looked at that...but like you said - it was kind of casually mentioned.

    Thanks for the confirm & explanation.
  28. Heatilator GDST4336 Double sided - battery operated igniter question?

    I have a Heatilator GDST4336i Direct Vent Gas Fireplace that is ignited by a wall switch.

    In case of electrical power outage do I have to unplug anything to use with the battery pack to ignite the...
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    So as the OP - would like to thank you all for...

    So as the OP - would like to thank you all for setting the record straight from your Pro's point of view.
    I wanted this thread to run a week so that all the feedbacks can be gathered.

    So, if I...
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    Outdoor temperature sensor vs. Web based?

    My Trane T-Stat ComfortLink 2 950 uses a web based outdoor reading for its outdoor temperature basis.
    I have a XR17 Heatpump & Tam8 Airhandler with Zoning.

    Is it worth the time & money to have an...
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    What Can't the NEST do?

    Since I can't comment or ask questions on any other poster's post, I'd like to ask the pros here what can't the NEST do that other T-Stat do?

    I read on many technology sites that tout the NEST &...
  32. Yes. Both sides of the filter is now light grey....

    Yes. Both sides of the filter is now light grey. A new filter is white.
    Thanks for feedback.

    I guess no need to cheap out on something so simple to change. When in doubt change it out.

    - -...
  33. THANK YOU ALL. Looking for light it is.

    THANK YOU ALL. Looking for light it is.
  34. I have an Aprilaire 2210 whole house filter box...

    I have an Aprilaire 2210 whole house filter box using an Aprilaire 213 MERV13 media filter.
  35. How can I tell if my Air Filter needs to be changed?

    My filter was changed in December & recently on a different service call, the tech said I needed to change my media filter again.

    I was surprised, thinking it would be another 4-5 month before I...
  36. Thanks for pointing that out. I hadn't taken...

    Thanks for pointing that out. I hadn't taken that into account.

    As for the whole house generators, So far, the Generacs impress me - more so I guess because their prevalence....but as I've heard...
  37. That's what I've heard that the 1st gen were...

    That's what I've heard that the 1st gen were problematic but that the 2nd has been almost bulletproof.
    Appreciate your comments & in a perfect world, we would have loved to stuck it in a closet &...
  38. Thanks guys for the feedback. We purposely...

    Thanks guys for the feedback.

    We purposely chose to mount outside because we get abnormal weather 1 out of every 10 years in these parts of Central VA.
    So this didn't take up room inside the...
  39. Navien Tankless Water Heater Care during Power Outage?

    Our Navien Tankless Water Heater NPE-240A is on the outside of the house & we might have a loss of power.

    I understand that I will have to go out & drain its tank to keep it from freezing & doing...
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    JTrammel, I hope you are wrong but back of my...

    JTrammel, I hope you are wrong but back of my head say, you might be right.

    I will keep pressing them on it. It was pretty bad that the installer sent their Trane certified guy the other day to...
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    Is this something (for essentially 2 rooms) that...

    Is this something (for essentially 2 rooms) that can be easily rectified or does this require an entire overall house review & redesign?
    I'm coming up in April to the 1 year since the house was...
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    It does have 1 window on an outside wall. Not...

    It does have 1 window on an outside wall.
    Not too uncomfortable for me but wife was complaining during cold snap & I had pass it on as just women getting cold..
    When I did check, it did feel colder...
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    Pro just left - except for a comment about dirty...

    Pro just left - except for a comment about dirty media filter, he didn't find anything loose, leaking, pinching or blocking.
    I'm stunned that it's only 2 months old media filter - which he had...
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    Thanks GS. Looks like another scenario that is...

    Thanks GS. Looks like another scenario that is quite plausible.
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    Wow - hope it's that easy G2. I do hear a...

    Wow - hope it's that easy G2.

    I do hear a faint clacking or clicking noise above one of the adjacent rooms next to her closet every time the HVAC is running.
    I always wondered if air was...
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    1 Air Register not blowing a lot of air?

    Having the HVAC pro come over a bit later today & speak with the wife (I am @ work) about her closet register not blowing a lot of air vs. mine which is a directly across the hall's from her.

    Just...
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    Ok -after all these months I am finally starting...

    Ok -after all these months I am finally starting to connect the dots more on all the concepts the pro's here discuss LOL.

    Seriously, what are my next steps - when speaking to my installer?
    To...
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    Hmmm...maybe we are putting up with less than...

    Hmmm...maybe we are putting up with less than satisfying conditions & results by your first statement!
    Just as I suspected - short cycling is negative all around.

    Z1 = master bedroom + master...
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    Heat Pump Short Cycling - Bad?

    We've been happy with our Trane XR17 3-ton Heat Pump/TAM8 handler combo this winter.
    Has provided comfort & a decent bill (only one so far) during this North American cold spells.
    We set it at 68*...
  50. TRANE experts: Does the COMFORTLINK 2 thermostat have adaptive intelligent recovery?

    Like the subject header says:
    Does the COMFORTLINK 2 thermostat (XL950) have adaptive intelligent recovery?

    I only see Aggressive Recovery setting in the installer settings guide but no mention...
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