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  1. Thanks for your reply! The Drier was replaced...

    Thanks for your reply!
    The Drier was replaced too.
  2. Car R134a PAG Oil: Evacuation vs Vacuum question

    This is strictly for my own education, so if anyone can help, I would appreciate it!

    My 2007 Honda Odyssey van AC went bad, I think the PAG Oil leaked out the front shaft seal, causing the AC...
  3. Problem Solved!

    Problem solved....read on...

    - So got new Honeywell RTH2300B, which has a smaller "footprint" (smaller size) than the existing thermostat CT3200 series.
    - The smaller size of the new thermostat...
  4. Fresh batteries did not solve it...

    Installed new batteries (I checked them before install, they were 1.60V, brand new).

    Same issue happens...Set it at 84F, a few hours later it mysteriously changed setting to 76F.

    I think I have...
  5. - Removed batteries, they are 1.37 Volts, is that...

    - Removed batteries, they are 1.37 Volts, is that low?
    - Also the "Lo Battery" indicator never showed up on the display.
    - I will replace the batteries to see if the symptoms return or not.

    -...
  6. Thermostat changes setting on its own! (Honeywell CT3200)

    Alright,

    This one is weird, sounds like a ghost movie.....

    We have a 2-story house with 2 tstats, but only 1 tstat is acting weird.

    * First floor and basement:
    - Controlled by tstat #1:...
  7. Replies
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    Question: Air Filter bowing

    Quick question, this may be normal anyway.

    Two-story home with standard Tempstar (80% eff) Furnace and AC.
    Air Filter Size is 20x25x1.
    I change every 2 months or so.
    I use the standard filter...
  8. Replies
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    9,265

    Follow-up on a 4-year old thread on Sunroom need...

    Follow-up on a 4-year old thread on Sunroom need for Minisplit.

    After I built the sunroom (in 2007-2008) and paid the HVAC man to "tap" into existing vents (see pic below), I was out of budget...
  9. Replies
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    Views
    9,265

    Well, Over the last 3 years: 2007, 2008, 2009,...

    Well,

    Over the last 3 years: 2007, 2008, 2009, I have tracked the natural gas bill (for heating) and electricity (for partial cooling of sunroom), and there is no difference. The consumption in...
  10. Replies
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    9,265

    I think most home HVAC systems have a some room...

    I think most home HVAC systems have a some room for surplus.

    Anyway, my HVAC contractors are happy with this tapping into existing ductwork.

    Plus my sunroom is only 330SF, so it is not big at...
  11. Replies
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    7,602

    IMHO, Place it back to the crawlspace. Either...

    IMHO, Place it back to the crawlspace.
    Either way: crawling under crawlspace to change filter or getting up on ladder to attic with potential to fall down between the ceiling joists.

    Your choice....
  12. Replies
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    9,265

    Three-year follow up from Omaha, Nebraska. See...

    Three-year follow up from Omaha, Nebraska. See 1st picture in 1st thread for the setup, but basically:

    1. Sunroom on East side of the house, so no afternoon sun.

    2. Baseline Heating is supplied...
  13. Replies
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    1,440

    Yep, I did exactly that! Standard HVAC Inc...

    Yep,
    I did exactly that! Standard HVAC Inc (Omaha NE) installed the entire system in 1991 when the house was built.
    I just used the same company again for furnace change-out.
    They have very good...
  14. Replies
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    1,440

    Update, Thanks again for the advice. The...

    Update,

    Thanks again for the advice. The Tempstar DLX 80 series (T8MPN) is a great vanilla product: no frills no thrills and it works well. In fact its electronics is very good: a few different...
  15. Replies
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    9,265

    Hi Rhizzlebop, My sunroom faces EAST, so the...

    Hi Rhizzlebop,

    My sunroom faces EAST, so the AC requirement is low.
    The problem is your Sunroom faces Southwest getting the heat from the summer.
    I mentioned that a ceiling fan helps alot + your...
  16. Replies
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    898

    I am sorry if I did not make myself clear. ...

    I am sorry if I did not make myself clear.

    What I mean is some people may be interested in these used furnaces as a temporary use on construction jobsites such as:
    - temp use in a new house...
  17. Replies
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    898

    Any use for a perfectly working used furnace?

    I will be replacing my Tempstar Furnaces from 1991 soon.
    They are working perfectly fine but because of its age, I am replacing them for peace of mind.

    If I recall correctly, then some builders...
  18. Replies
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    Views
    9,265

    This is the 12-month Update. Remember this is...

    This is the 12-month Update. Remember this is Omaha NE with winter down to -10F and summer in 100F! Please see my original drawing for details on the sunroom (facing East), anyway a brief summary:
    ...
  19. Replies
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    1,440

    Thank you! This is exactly what my local HVAC...

    Thank you! This is exactly what my local HVAC company recommends as vanilla flavor, it is a work horse. The HVAC Co (Standard HVAC in Omaha, Nebraska) will come to give me a (hopefully) competitive...
  20. Replies
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    1,440

    Thanks, My Tempstar furnace during the last 18...

    Thanks,

    My Tempstar furnace during the last 18 years of operation, other than annual service by HVAC company, the only thing that was ever changed was the Ignition Module (? spelling) according...
  21. Replies
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    1,440

    Could you help me with the checklist for good...

    Could you help me with the checklist for good install so I can go over this with my HVAC people to be sure they do a good job?
  22. Replies
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    1,440

    Advice needed: Most reliable 80% eff Furnace

    I know this topic has been discussed a million times here, but the more I read the more confused I am!

    My needs are simple: 80% eff and reliability.

    1. 80% efficiency
    (Too complex to explain...
  23. Thanks, The HVAC service person changed the...

    Thanks,

    The HVAC service person changed the limit-switch recently.
    Adjusted it.
    Still the same problem.

    Every time the Fan kicks in for 7-10 seconds, I noticed the Fan-Limit Switch not moving...
  24. Fan running for approx. 7-10 seconds during rest phase!

    I have a bizzare problem that I hope someone can help. Not a big problem but a minor issue.

    Furnaces and AC regularly serviced by HVAC company (Fall, Summer Tune-ups etc.).

    There is one small...
  25. Replies
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    775

    Cold Air Draft from ONLY one fireplace!

    I have cold air draft from ONLY one fireplace as in the pic (Fireplace B).

    - House is 2-story
    - Built 1991
    - Furnaces x 2 in the basement with fresh air intake in basement.
    - Fireplaces have...
  26. Replies
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    17,083

    Well, Similar house here 4200 SF (2-story)....

    Well,

    Similar house here 4200 SF (2-story).
    Two (2) AC units by Tempstar (from 1991). Probably 2 tons each.
    Thermostat set at 78F.

    The hottest month was July.
    The bill showed:

    Total...
  27. Oh, forgot to mention that the service person is...

    Oh, forgot to mention that the service person is coming out for routine winter tune-up.
  28. Preventive replacement of Honeywell Ignition Module/HSI?

    Hi,

    My HVAC service person is coming soon.

    I am the second owner of the home. Previous owener had HVAC Co. replace the Honey Ignition Module in 1999 because of "no heat".

    So my guess is that...
  29. Replies
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    9,265

    UPDATE June 2008

    As I promised, this is the UPDATE. Since the Sunroom is facing EAST and shielded from afternoon sun:

    1. Rough-in PVC conduit (inside outer wall) and rough-in electrical for Mini-Split was done...
  30. Replies
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    877

    Sometimes you do NOT have a choice. This is...

    Sometimes you do NOT have a choice.
    This is exactly what I have in my basement 4 x 1-1/2' HVAC trunk.
    Actually, it does not look that bad.

    However, if you want some opinions, then:
    - A few...
  31. Now I am confused! It is election year (ha!) so...

    Now I am confused! It is election year (ha!) so we need a vote among the "pros": To install the switch or not???
  32. Replies
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    1,715

    Couple of thoughts: 1. Canadian or US...

    Couple of thoughts:

    1. Canadian or US residential codes are basically the same. Headroom 6'-8" is very standard.

    2. Re-routing the ductwork is fine but:
    - it creates more twist and turn, and...
  33. Thanks for your reply. You are absolutely...

    Thanks for your reply.
    You are absolutely correct.

    The HVAC tech talked to other techs at his company and the reason for this indoor switch is that if a tech needs to work on the indoor unit, he...
  34. Replies
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    1,715

    The 2003 International Residential Code (Building...

    The 2003 International Residential Code (Building Code) regarding stairs is here:
    http://www.stairways.org/pdf/2003%20Stair%20IRC%20SCREEN.pdf

    Photo #4 states that the headroom needs to be AT...
  35. Sanyo Minisplit: Switch between interconnecting cable???

    Thanks all for recent recommendation of Sanyo Minisplit.
    I am having my local HVAC Co install the unit.
    It is Sanyo 12KHS71 (AC + heat pump), 12K BTU unit.

    The installer is doing a good job and...
  36. Replies
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    4,134

    I think this has been discussed in this forum...

    I think this has been discussed in this forum before re 6 cycles/hour:
    http://hvac-talk.com/vbb/showthread.php?t=94155

    I believe this is 'trademark' of Honeywell.

    My "Honeywell CT3200"...
  37. Replies
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    Hi, I can't speak for the recent Tempstar...

    Hi,

    I can't speak for the recent Tempstar (2006 or 2007 models) but my Tempstars are now 16 years old (I will replace them soon simply because of age) and they work just fine. Mind you these are...
  38. Building Code aside, in theory, electrical wires...

    Building Code aside, in theory, electrical wires can run alone without any conduit at all.

    The only purpose of the conduit is to protect the wiring from potential damage (nailing in a house, hit...
  39. Couple thoughts: 1. WIRE SIZING ISSUE: From a...

    Couple thoughts:

    1. WIRE SIZING ISSUE:
    From a Physics 101 standpoint (Ampere, Volts, Resistance in Ohm etc and etc.), the wire only heats up and potentially melts the plastic insulation ONLY if...
  40. Replies
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    Thank you very much for your experience, this is...

    Thank you very much for your experience, this is what counts!

    I kind of narrow down to either Fujitsu or Sanyo. And my HVAC installer agrees with this assessment.

    Initially I kind of lean...
  41. Replies
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    You have young children and it is not good to...

    You have young children and it is not good to leave them sleep in a cold room.

    I agree with you this needs to be solved:

    1. Mini-split is basically a combination of small compressor (outside)...
  42. Replies
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    Very much appreciate your input. Experience...

    Very much appreciate your input. Experience counts!!!
    I am leaning toward Sanyo Mini-Split which costs the same as Fujitsu, Mitsubishi for the same BTU.
    I guess all three brands are like Camry vs...
  43. Thread: sanyo ductless

    by cn
    Replies
    16
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    1,842

    I am thinking about the Sanyo Mini-Split as well...

    I am thinking about the Sanyo Mini-Split as well and My electrician is confused too!

    * When you go to Home Depot etc. 14-3 means 14 gauge and 3 wires (Wh, Bl, Red + ground; they don't count the...
  44. Thread: Humidifier Math

    by cn
    Replies
    19
    Views
    2,299

    Ceiling Can Issues

    I don't know how old your ceiling can is but the funny thing about Ceiling Can is: We want lighting but we do NOT want to lose heat (it is contradictory)!

    - When the Celing light is on: heat loss...
  45. Replies
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    Mini-Split Long-Term satisfaction report anyone?

    As I come closer to making a decision regarding which brand of Mini-Split for my 350-SF Sunroom, I discussed with my local HVAC Co. and since this will cost me $3-4 "arms+legs" (parts + labor +...
  46. Thread: Humidifier Math

    by cn
    Replies
    19
    Views
    2,299

    Buy a 12-Gallon Humidifier and there is virtually...

    Buy a 12-Gallon Humidifier and there is virtually no waste of water at all.
    http://www.laskoproducts.com/humidifiers/model_1130-40.html

    The water stays in the large 12-G container with a drum...
  47. Thread: Humidifier Math

    by cn
    Replies
    19
    Views
    2,299

    My 2 cents: 1. My Aprilaire 550 is wired in...

    My 2 cents:

    1. My Aprilaire 550 is wired in such a way that it runs only when the furnace is ON.
    So when furnace is OFF it does not waste water.

    2. My RH is the house is about 30-35%.
    In the...
  48. Replies
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    Better yet, consider new furnace(s). Your...

    Better yet, consider new furnace(s).
    Your furnace(s) are some 15-20 years old, it is like an old car (cost alot to repair).

    A new Furnace may cost more to start with but on the long run it saves...
  49. Replies
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    Some thoughts

    I also own a collection of classical guitars which generally need RH between 40-60%. It is fine in the summer but in the winter, it is a challenge. This is because of simple law of Physics 101.
    ...
  50. Replies
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    A few options

    It all depends on 3 things:
    a. budget
    b. the inconvenience of turning up the heat when coming back
    c. any valuable items in the house

    I am personally not too concerned with the time it takes to...
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