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  1. Replies
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    8" round off plenum, 90* to oval up 2x4 wall...

    8" round off plenum, 90* to oval up 2x4 wall cavity, 90* to 8" round, terminating at 4"x12" register.

    Thanks again for your time.
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    Thanks for the reply. It is a standard wall...

    Thanks for the reply. It is a standard wall cavity. What size grille could I go up to before the wall cavity becomes the limiting factor?

    Thanks again for your time.
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    Return air grilles in rooms

    Is there a benefit to increasing the size of a return air grille in a room lacking sufficient return? Currently have 6"x14" grille on a wall cavity return.

    Thanks.
  4. Replies
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    Thanks, now I think I understand. So, the...

    Thanks, now I think I understand.

    So, the amp ratings on the appliances are what they draw per hour. Giving you kW hours.

    Thanks again, I appreciate your time and assistance.
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    I'm comfortable with the correct unit. ...

    I'm comfortable with the correct unit. Unfortunately, I seem to be getting a wide variety of answers.

    I would like to be comfortable with your number but I am having a difficult time...
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    Online generator sites say that the AC needs the...

    Online generator sites say that the AC needs the 17 or 20 from generac.

    Company 1 says Generac 17 at least, maybe 20.

    Company 2 says Generac 14 will handle AC no problem.

    From Generac...
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    Actually, 17 and 20 from Generac. I was asking...

    Actually, 17 and 20 from Generac. I was asking them about the 14 from Kohler based on what I read on Kohler's site. They said I would need 17 at least.
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    Little if anything. Stove, hot water, furnace,...

    Little if anything. Stove, hot water, furnace, dryer all gas.
    Everything else electric is small...furnace blower, fridge, freezer, microwave, dryer motor, washer, power vent for hot water,...
  9. Replies
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    So, the hard start kit would really be of no...

    So, the hard start kit would really be of no benefit?
    Where does the 6.46 watt hours come from?
    7.5kW sounds a lot better on the checkbook than what the generator people were saying was needed....
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    Thanks for the reply. So, if my understanding...

    Thanks for the reply.
    So, if my understanding is correct. This compressor requires 23,280 watts to start (240v x 97amps)?
  11. Replies
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    Lennox start assist

    Hello,
    Looking to purchase a standby generator for house.
    Have Lennox 13ACD Merit Series installed in 2006. Compressor locked rotor amp 97 and condenser fan locked rotor amp of 3.1.
    What affect...
  12. Replies
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    Thanks.

    Thanks.
  13. Replies
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    464

    Wireless Thermostat

    Looking into wireless t-stat. Have Lennox GMP-51. Currently have Honeywell FocusPro 5000. Any recommedations would be greatly appreciated.
  14. Replies
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    Thanks for the replies. I found that my system...

    Thanks for the replies.

    I found that my system is set to the defaults...
    heating 90 seconds (options include 30, 60, 90, 120, 180)
    cooling 2 seconds ( options were 2 or 45s)

    Left the heat at...
  15. Replies
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    I am trying to determine if the fan should be...

    I am trying to determine if the fan should be running after the compressor stops or if it should stop at the same time as the compressor. Also, curious if the fan should stop at the same time flame...
  16. Replies
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    fan off delay time

    Is there a standard time that the fan should run after the compressor stops on the air conditioner or during heating season after the flame stops in the furnace? Or, should the fan turn off the same...
  17. Thread: Measuring ESP

    by 7474
    Replies
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    Thanks KEY1CC and PSTU, I appreciate the...

    Thanks KEY1CC and PSTU, I appreciate the information.
  18. Thread: Measuring ESP

    by 7474
    Replies
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    528

    Measuring ESP

    Following the thread "Getting the ESP" and watching the video by HVAC R US 2 I was wondering if anyone could recommend an inexpensive manometer for homeowner use. My curiosity has gotten the best of...
  19. xxxxx

    xxxxx
  20. Replies
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    So the shorter times with the small temperature...

    So the shorter times with the small temperature difference (ID vs OD) are to be expected?

    The stat is set to 3 CPH (checked after seeing this in other posts)...the installers left the...
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    The thermostat is located on an interior wall...

    The thermostat is located on an interior wall (dining room), roughly the center of the house (2 story), above a floor return.
  22. Replies
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    Honeywell FocusPro 5100 Lennox G51MP-48C-090...

    Honeywell FocusPro 5100
    Lennox G51MP-48C-090
    Lennox 13 ACD

    Thanks
  23. Replies
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    Determining short-cycling

    I know that outside temperature affects AC runtime. I am trying to determine if the following is normal. At night with thermostat set to 72 and outdoor temp at 75, unit will run for approximately 5...
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    Determining short-cycling

    I know that outside temperature affects AC runtime. I am trying to determine if the following is normal. At night with thermostat set to 72 and outdoor temp at 75, unit will run for approximately 5...
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    I had the exact opposite happen. 2 techs, 2...

    I had the exact opposite happen. 2 techs, 2 separate occasions, tell me that they think Goodman is the best thing out there (since they bought Amana) ...as they serviced my Lennox, installed by...
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    I also was looking to change out my Focus Pro...

    I also was looking to change out my Focus Pro 5000 model. I was thinking of having the VisionPro installed but was wondering what benefits it could offer over the Focus Pro 5000 model I currently...
  27. Thread: Lennox question

    by 7474
    Replies
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    Thanks for the info, it's appreciated. Will have...

    Thanks for the info, it's appreciated. Will have them bring out a blower motor also.
  28. Thread: Lennox question

    by 7474
    Replies
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    Thanks for the assistance, it is appreciated.

    Thanks for the assistance, it is appreciated.
  29. Thread: Lennox question

    by 7474
    Replies
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    1,735

    Thanks for the assistance it is appreciated.

    Thanks for the assistance it is appreciated.
  30. Thread: Lennox question

    by 7474
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    What do you call the 3 bolts on the motor mounts...

    What do you call the 3 bolts on the motor mounts with the rubber discs and lock washers? I assumed they kept the motor from vibrating in the mounts.

    Glad I could add a laugh to your day....the...
  31. Thread: Lennox question

    by 7474
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    Here is my problem. Looking in the filter rack...

    Here is my problem. Looking in the filter rack you can see and hear the motor vibrating in the blower wheel. If you stabilize the open/shipping mount the vibration and noise stop. Had a tech out...
  32. Thread: Lennox question

    by 7474
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    Thanks. Not the open spot for the shipping bolt,...

    Thanks. Not the open spot for the shipping bolt, I am looking for the bolt with the rubber disc on it.
  33. Thread: Lennox question

    by 7474
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    1,735

    Lennox question

    I am looking for the part number for the anti-vibration bolt for the fan motor mount bracket for a G51-MP- 48C-090. I could not find the part number in the installation or homeowner's manual. The 2...
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    Vision PRO IAQ stat benefits

    I see the Vision PRO and VisionPRO IAQ stat mentioned in several posts and was wondering what benefits, if any, I could gain from such a t-stat versus a standard t-stat (Honeywell 5100).

    Have...
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    I think it is all about the install, where have I...

    I think it is all about the install, where have I heard that before? (HAHA homeowner humor)

    Have the TOM TOM ONE 3rd edition, entry level for $160 out the door at BB. Free updates and MAP SHARE,...
  36. Replies
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    Yes the dampers are at the take-offs. The more...

    Yes the dampers are at the take-offs. The more time I spend on this site, the more I learn and the happier I become with my HVAC professionals (new construction).

    Almost 4 years into marriage, I...
  37. Replies
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    Thanks for the food for thought regarding...

    Thanks for the food for thought regarding airflow. I believe I am OK as most of the ducts remain fully open or with minimal dampering down, none are completely closed down. I guess it must be a...
  38. Replies
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    Just a homeowner, I heard the 3 degree difference...

    Just a homeowner, I heard the 3 degree difference from t-stat turning off from a tech and thought this was kind of high. I have since seen this number in numerous posts from the experts here so I...
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    I had heard the 3 degrees before from a tech but...

    I had heard the 3 degrees before from a tech but thought it sounded like a big difference, guess not as it is coming from the experts here.

    I am a little OCD, I have all the rooms in my house...
  40. Thread: vent free firebox

    by 7474
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    931

    Thanks for the information, appreciate your time.

    Thanks for the information, appreciate your time.
  41. Thread: vent free firebox

    by 7474
    Replies
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    931

    vent free firebox

    Thanks in advance for any assistance/information.

    Recently purchased a 32" Breckenridge Deluxe vent-free circulating firebox by Empire Comfort Systems. I was expecting an aged ceramic brick liner...
  42. Replies
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    In the bedroom probably for aesthetics more than...

    In the bedroom probably for aesthetics more than anything. See it in quite a few new constructions in my area (Cleveland/Akron, OH).
  43. Replies
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    Thank you for your reply. I was of the...

    Thank you for your reply. I was of the understanding that the ventfree fireplaces were clean burning and designed for use in such a situation. Do you have the same belief if the ventfree unit was...
  44. Replies
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    No vent free fireplace? Why is that? Thanks. ...

    No vent free fireplace? Why is that? Thanks. Sorry for hijack.
  45. Replies
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    1,888

    Donuts in the morning and a cooler full of...

    Donuts in the morning and a cooler full of Gatorade is what I have provided with workers/subs to my house. It has always seemed like money well spent. I figure treat people right and they will...
  46. www.filtersnow.com www.hvac-quick.com

    www.filtersnow.com

    www.hvac-quick.com
  47. Replies
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    This was the method I performed on my home in the...

    This was the method I performed on my home in the winter and summer. Marked the ducts for each season and now the changeover is very quick with marked improvements in uniform temperature/comfort. ...
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    I have used www.insulation4less.com

    I have used www.insulation4less.com
  49. Thread: register dampers

    by 7474
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    1,173

    Shophound, Thanks for the replies. I have not...

    Shophound,
    Thanks for the replies.

    I have not had an opportunity to test the adjustments, hasn't really been that hot (at least in my book).

    I had no problems with the tech, he was very...
  50. Thread: register dampers

    by 7474
    Replies
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    1,173

    Thanks for your replies. All of the...

    Thanks for your replies.

    All of the registers are on single trunk lines which have supply dampers. The dampers were closed down to reduce air to the trunk and the registers were closed down to...
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