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  1. Replies
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    I never bought one so sorry I can't help. Paul

    I never bought one so sorry I can't help.

    Paul
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    Oops, my apologies. Thanks for restarting new...

    Oops, my apologies. Thanks for restarting new thread jp.
  3. Replies
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    Icomfort Thermostat Weather

    Will it work with an XP 14 heat pump and Comfort Plus furnace with the updated control board.
  4. Thanks for the explanation. I think I'll have it...

    Thanks for the explanation. I think I'll have it done.
  5. What procedures are performed during a duct pressure test...

    and is it worth doing. I have a new home that is 2 years old.
  6. It would be nice if they added Z-wave protocol to...

    It would be nice if they added Z-wave protocol to the iComfort therm to enable changes to the therm from a web enabled browser through the internet, much like Trane has done with their therm.

    I'm...
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    Shophound, great post. Less is more, designed...

    Shophound, great post. Less is more, designed properly for the requirements and installed with care.
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    The thing I don't understand about duct...

    The thing I don't understand about duct installations is that, since labor is such a high component in the total cost, why not use a larger size rigid duct rather than an under-sized flex duct, with...
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    The reason I'm willing to pay more Josh is...

    The reason I'm willing to pay more Josh is because I've been burned in the past by not paying more and then being disappointed. This happened to me when I was much younger, and it only had to happen...
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    So many heating/cooling problems...

    It makes me wonder what the small percentage of homes are that are built with an adequate duct system and a properly sized heating/cooling system. Maybe 5%? The business/commercial systems seem to be...
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    You're going to have to remove the prices Mugsy.

    You're going to have to remove the prices Mugsy.
  12. Thread: Angie's List

    by Paul12644
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    4,199

    It's a good way to eliminate someone but not...

    It's a good way to eliminate someone but not necessarily to select someone.
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    Technician was just here. There were no error...

    Technician was just here. There were no error codes in the heat pump or furnace, and the heat pump eventually started up. For some reason the thermostat went to the back up furnace and stopped asking...
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    Furnace control boards and power surges...

    We had very high winds and momentary power losses today in the Seattle area. The lights blinked briefly 3 times in a row, within about 30 seconds. Shortly afterwards, the thermostat came on calling...
  15. Here you go: ...

    Here you go:

    http://www.lennox.com/pdfs/manuals/Lennox_icomfortTouch_Manual.pdf
    http://hvac-talk.com/vbb/attachment.php?attachmentid=156071&d=1295711415
  16. Could the iComfort Lennox thermostat allow for...

    calculation of external static pressure through a firmware upgrade?

    Just checking since this measurement can assist the homeowner and technician in so many ways.
  17. It seems to be running well. At one time we were...

    It seems to be running well. At one time we were going to time the gas meter flow for some reason; I can't remember why. Also, tuning the delivery flow to the heat registers to effectively balance...
  18. Replies
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    Lennox replaced it with a smaller form factor...

    Lennox replaced it with a smaller form factor unit to allow it to fit into more applications. All things being equal, I would go with the newer unit but the G71 is tried and true over many years and...
  19. Hey Josh, Come on out and see me when business...

    Hey Josh,

    Come on out and see me when business slacks off a little.

    Paul
  20. Replies
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    Yes, I paid approximately the same and am very,...

    Yes, I paid approximately the same and am very, very happy with my G71 installation. They are a quality furnace and the XP14 has been an excellent performer. I would recommend the CS7000 thermostat....
  21. We've got family coming July 27 through August 7....

    We've got family coming July 27 through August 7. Any time after that. I love Redhook ESB also. We'll share a few together.
  22. You've got a deal Josh. Let me know when you're...

    You've got a deal Josh. Let me know when you're over this way.
  23. So far, so good, Josh. The system maintained 74...

    So far, so good, Josh. The system maintained 74 degrees with no problem, although I noticed the loft area to be a few degrees warmer than downstairs. To be expected, I guess.
  24. Let's say snap lock duct. Curious what the price...

    Let's say snap lock duct. Curious what the price ratio between the three would be. If flex duct was 1.0, would duct board be 2.0 and rigid duct be 4.0?
    Or some other ratio?
  25. Just curious. What's the cost difference between

    100 feet TEL of ductwork using rigid metal pipe vs. ductboard vs. flex pipe, assuming insulation, labor, mastic and all normal installation procedures?
  26. Replies
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    Hi DW, I don't think ductboard is inherently...

    Hi DW,

    I don't think ductboard is inherently an inferior product either. The point I was trying to make is that, in general, the chances of an improper installation are greater with ductboard than...
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    In some cases that may be true, dangling...

    In some cases that may be true, dangling wrangler. But my experience from selling products is that people will pay a higher cost for a perceived added value. If you take the time to highlight the...
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    Given that flex duct and duct board often don't...

    Given that flex duct and duct board often don't get installed properly, and usually, not always, are chosen by an HVAC contractor to cut costs and speed up installation time, to me a contractor who...
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    pacnw, the G71 is upgradeable to a communicating...

    pacnw, the G71 is upgradeable to a communicating furnace with the purchase of a new icomfort control board, part # 65W69, Lennox # 605341-01. I'm thinking of buying one, but haven't yet.
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    Hey beenthere, If it weren't for the travel...

    Hey beenthere,

    If it weren't for the travel charge, I'd love for you to do the tune-up for me. You sound like an old school professional who takes pride in his work. Not that there aren't young...
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    My Lennox rebate came in about 35 days; no extra...

    My Lennox rebate came in about 35 days; no extra hoops to jump through.
  32. Replies
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    Lennox recommends the multi-stage Comfortsense...

    Lennox recommends the multi-stage Comfortsense 7000 for the G71 furnace. Certainly you don't have to use this, but try and find an alternative from Honeywell or elsewhere with the same feature set,...
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    The other advantage to it is that it only...

    The other advantage to it is that it only requires 4 wires to be run from the thermostat to the furnace. For the same functionality a non communicating furnace would require many more wires.

    I...
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    Communicating means that there is a printed...

    Communicating means that there is a printed circuit board with intelligence in the outside A/C or heat pump that "talks" to the furnace pc board through a system bus with a protocol that can alert...
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    The XC15 is being discontinued and will be...

    The XC15 is being discontinued and will be replaced by the XC17, which will be a communicating A/C. I would also look at the SLP98V which will replace the G71MPP and also be a communicating furnace....
  36. Yes it is dual fuel, 3.5 ton heat pump and gas...

    Yes it is dual fuel, 3.5 ton heat pump and gas furnace. I'm trying to make sure I'm moving about 1400 cfm of air through the system.
  37. What is the most accurate way to measure cfm produced by furnace blower

    I plan to have the dealer tech out for a service call 6 months after installation of heat pump and furnace for a general checkup, and I would like him to also measure the cfm of air produced. What...
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    Todd, take Seaton up on his offer; he'll do a...

    Todd, take Seaton up on his offer; he'll do a good job for you. He did a similar job for me here in the Seattle area. Send me an e-mail if you want to discuss it.

    Paul
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    Mine is the same as yours. Does the de-humidify...

    Mine is the same as yours. Does the de-humidify work differently with this new CS 7000?
  40. Tipsrfine, I'm with ptsu on this one. In an ideal...

    Tipsrfine, I'm with ptsu on this one. In an ideal world, companies and people that homeowners choose to do business with would understand, quote, and install solutions designed to solve HVAC...
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    Hi Auraka, I have a similar set up to yours...

    Hi Auraka,

    I have a similar set up to yours with the CS 7000 thermostat. Can you please explain what you mean by newer version with fan control on the option screen?
    I have a g71 MPP with an xp...
  42. I have a G71MPP furnace with the HC16 filter...

    I have a G71MPP furnace with the HC16 filter installed. The tech took a static pressure test on mine above and below the the filter housing and it measured only .1 pressure drop.

    He said they did...
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    Makes sense Josh. Thanks for the article.

    Makes sense Josh. Thanks for the article.
  44. Replies
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    I'm told by the Lennox dealer that it is...

    I'm told by the Lennox dealer that it is calculated off the wattage produced by the blower motor. It would be better calculated if, like the Carrier Infinity stat, it could perform a static check of...
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    Thanks Josh and Nick for buying me some breathing...

    Thanks Josh and Nick for buying me some breathing room on the .8 limit for the TESP. Josh, I couldn't remember the supply side duct pressure we originally took before the duct changes were made, but...
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    It depends if you're in the first or second stage...

    It depends if you're in the first or second stage of heating and what your external static pressure is. I have a G71MPP and in second stage at .50 static the blower motor uses 390 watts and at .80...
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    Lennox G71MPP Question...

    The blower dip switches are set on high to the maximum for cooling application which is, depending on static pressure, 1395 cfm, not including the filter. My LED display reads 1287 cfm. Is that 1287...
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    I've had the same problem. My computer locks up...

    I've had the same problem. My computer locks up and quits responding with an Internet Explorer error.
  49. Hi Josh, Wouldn't it be nice if we could...

    Hi Josh,

    Wouldn't it be nice if we could broadcast this poor ducting practice to the rest of the 1300 families in this community. All the installations were completed by the same HVAC firm, and...
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    Hiker, I have one of these thermostats, and I...

    Hiker,

    I have one of these thermostats, and I like it a lot.

    As to your questions, the therm will display Em Heat in the mode display to show that backup heat is being utilized.

    Secondly,...
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