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  1. Replies
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    I compared the exact stats you are considering...

    I compared the exact stats you are considering prior to my new dual fuel system purchase. Go with the Honeywell IAQ. I did and it is an awesome stat for controlling humidity on a VS Lennox blower. I...
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    1,296

    Honeywell IAQ is the t-stat. I have it set to...

    Honeywell IAQ is the t-stat. I have it set to achieve 40% humidity (dehumidify) and it is on "Auto". Temp is set to 73* during the day and 76* at night. It easily achieves the 40% humidity. It has...
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    Yes, the new system has humidity control. In my...

    Yes, the new system has humidity control. In my mind, that is the only plausible explanation for higher energy use since the system may be running longer to control humidity. I have no idea if it is...
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    1,296

    Efficiency Disappointment?

    Well, it has been one month since my new Lennox XP 19 Heat pump and variable speed furnace has been in use. I am surprised to find that it is using more energy than my 22 year old Lennox 6 SEER. The...
  5. Replies
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    4,232

    Thanks to all that offered advice. It worked. My...

    Thanks to all that offered advice. It worked. My system is running great now and I love the 40% humidity level. The house is cooool. :D
  6. Replies
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    Well, the installer's tech came out today to...

    Well, the installer's tech came out today to check on my concerns that the system was not dehumidifying properly and I was missing a "dehumidifying" screen on my IAQ t-stat (you know, the one they...
  7. Replies
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    4,232

    For the past 48 hours, I have run the t-stat on...

    For the past 48 hours, I have run the t-stat on "cool" and "on". The desired humidity level is set at 40%. The system has called for cool countless times to help maintain the desired 72* temp (which...
  8. Replies
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    4,232

    beenthere, if the temp set point has been...

    beenthere, if the temp set point has been reached, but the indoor humidity level is 5% greater than the humidity set point, doesn't the low speed dehumidification come on and work until it is three...
  9. Replies
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    4,232

    Well...after a lengthy call with the installer’s...

    Well...after a lengthy call with the installer’s boss, and lots of convincing that the my new Lennox variable speed blower furnace combined with my new Honeywell IAQ t-stat is designed to control...
  10. Replies
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    4,232

    I pulled off the IAQ module cover and noted that...

    I pulled off the IAQ module cover and noted that the wiring is not set up for variable speed blower dehumidification in low speed. It is wired for a non powered humidifier in those same slots (see...
  11. Replies
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    4,232

    You guys are awesome. Great info. No mater what...

    You guys are awesome. Great info. No mater what set point I try on the t-stat's humidity screen (min 10% - max 60%), I never get the word "dehumidifying" above the arrows, that screen or anywhere on...
  12. Replies
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    4,232

    Hmm? OK. I will try auto. Do you have a HP or...

    Hmm? OK. I will try auto. Do you have a HP or A/C. Does it make a difference on the screen?
  13. I just put in a new Lennox XP 19 heat pump and...

    I just put in a new Lennox XP 19 heat pump and furnace last week. It replaced my 22 year-old Lennox A/C and furnace. For what its worth, my Lennox quote was about 8%-20% lower than other name brands...
  14. Replies
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    4,232

    I am not sure why he added a larger coil. I have...

    I am not sure why he added a larger coil. I have the ARI number for the installed system and it uses the installed larger coil. So I assume that it is designed to work with the 4 ton HP and 4 ton...
  15. Replies
    38
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    4,232

    Despite the screen not saying "dehumidify", my...

    Despite the screen not saying "dehumidify", my new system, seems to be removing humidity well. The t-stat is set @40% and the target has been reached and maintained all day today. Outside humidity...
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    1,850

    I am hardly a DIY. I just paid a local company...

    I am hardly a DIY. I just paid a local company big time $$$ to install a complete new HVAC system. Plus, I was asking if the installer set the cfm per ton correctly. If it is a violation of the...
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    1,850

    3.5 ton

    3.5 ton
  18. Replies
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    OK. Good advice. Will do. I set it back to max at...

    OK. Good advice. Will do. I set it back to max at 1820 cmf on second stage cooling.
  19. Replies
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    1,850

    OK. that helps explain it. I am interested in...

    OK. that helps explain it. I am interested in humidty control. Perhaps I should move it back or back it down to 1820 cfm.
  20. Replies
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    1,850

    Is ideal cfm/ton based on the tonnage of the coil...

    Is ideal cfm/ton based on the tonnage of the coil or the heat pump?
  21. Replies
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    1,850

    Yes.

    Yes.
  22. Replies
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    1,850

    I have a 4 ton HP and 5 ton coil. Which is my...

    I have a 4 ton HP and 5 ton coil. Which is my target for 400 cfm/ton?
  23. Replies
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    1,850

    New Lennox System Set-up Wrong?

    Concern has set in….

    Well, apparently several things were not set up correctly with my new system. Yesterday, the new system would not cool the house with high temp and high humidity outdoors (88*...
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    4,232

    I pressed the "more" button several times, it...

    I pressed the "more" button several times, it just takes me through the cycle of filter reminder screens. No "dehumidify" shows up...ever

    I called the install company. They said the thermostat...
  25. Replies
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    4,232

    Honeywell IAQ Thermostat Dehumidity Question

    Just had my new Lennox Hybrid Fuel system installed.

    Variable Speed 80% Gas Furnace (model G60UHV60C100)
    XP19 4 ton Heat Pump 18 SEER (model XP19-048-230)
    5 ton coil (model C60D44+TDR)
    Pureair...
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