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  1. Replies
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    32,243

    Hi-Lo returns

    Thanks again Xavier! I'm on it.
    Since my last post, somwhere in 2004 I think, I've built that 2500 sq. ft. house in Pottsboro Texas I talked about. Installed Hi-LO ductwork, used interior double...
  2. Replies
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    2,648

    Cold room in Chicago

    Is that furnace in closet a second furnace? Is there another furnace on first floor?
    Try and get some pictures posted on here. You haven't given a complete picture of installed system.
    Phil
  3. Thread: Tappan FG6T

    by Pschneid
    Replies
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    495

    Woke up this morning with furnace fan running,...

    Woke up this morning with furnace fan running, inducer motor running and hot to the touch. No heat. After removing front access panel I see red LED on control board blinking one time per 2 seconds.
    ...
  4. Replies
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    761

    Seasonal residence

    Latest consensus on crawl space is to keep it sealed, no ventilation. Vapor barrier stops moisture from soil. Opening vents to crawl space only allows more moisture/humidity to enter.
    May to...
  5. Replies
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    11,344

    Pellet stove in basement

    Wiley,
    Be very careful with this addition to your home. The operational temperatures on the outside of a pellet stove can reach several hundred degrees at full fire. If it's a stove with a glass...
  6. Replies
    43
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    3,899

    Final resolution

    Thanks for posting your resolution and the techs solution.
    It's amazing what passes for professional HVAC work. That kinda problem could've been taken care of a long time ago. Additionally the HO's...
  7. Crawl Spaces

    It's interesting to note that this 10-15 year old engineering controversy has finally begun to affect the trades.
    It's NOT that crawl spaces can't be a part of residential home design but crawl...
  8. Replies
    16
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    1,755

    final choice

    2 tons per unit IS a lot of cooling BUT if you have future plans for an addition then it isn't. The trick will be to get the initially oversized units to be efficient and able to remove enough...
  9. Replies
    37
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    3,925

    Basement and crawl space

    It's difficult getting a good idea about the entire house floor plan from what you've posted. I think though, that the cloth tape issue is the least of your problems.
    What are the vents in the...
  10. Replies
    37
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    3,925

    The system

    I'm curious . . . . How well does the system heat and cool? How comfortable are your temp, humidity, and noise levels?
    Is the crawl space below ground level? Is the crawl space insulated? Does the...
  11. The disconnect . . . .

    Dash . . . .
    You are (always) carefully correct about the design processes used in the industry. Your knowledge of equipment, function, and application, is seldom wrong. You have years of...
  12. System design or equipment issue

    The house in question probably had the system designed,the equipment chosen, and the ductwork laid out using all the manuals . . . . by an expert. Still . . . . the owner tells us it doesn't do the...
  13. Hot or Cold

    I did just as you said and as the site directs. There isn't any reference to the "throw" referencing "HOT or COLD" air.
    I believe here is a case where missing engineering data can mislead a system...
  14. 17' foot throw . . . .

    Although the catalog doesn't say it, I'll bet that floor register would only reach 17' moving HOT air not cold.
  15. Replies
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    803

    Two rooms no heat

    Before you try to fix or replace equipment that's not broken determine for sure why the two rooms don't get enough heat. I would hate to see you spend a couple thousand dollars on a new furnace to...
  16. Replies
    15
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    2,391

    Definitely something wrong

    Wow! Somethings not right here. 105 outside, 95 inside. Two compressors seized up in a new house in a couple years? You need to find the cause of these equipment failures. The Pros on here are going...
  17. Replies
    16
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    1,755

    2 systems

    Your floor plan may be one of those that would benefit from 2 systems. Remember though that the installers will have to separate the current ductwork and possibly install additional ductwork to make...
  18. Replies
    11
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    2,408

    expensive electric

    What have your monthly bills been during A/C operation in the past 4 years? Has the electrical system been checked since the lightening strike by your electric provider? $500/month seems very high to...
  19. Replies
    10
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    2,493

    intelligent question

    No Frank that's NOT a dumb question. The Pros on here are going to ask you for more info. Like, does the unit ever trip a breaker, what is the actual amp draw, do you ever smell anything unusual...
  20. Lifetime investment

    The object of homeownership has a lot to do with pride as well as comfort. Any design manual will suggest having returns in all rooms except kitchen and bath. It's a comfort thing. A strong draft...
  21. Replies
    20
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    2,059

    Clare . . . . .

    Any piece of "mans" equipment with a woman's name is suspect! I wouldn't continue to live with her.
  22. Return ducts

    Don't eliminate the returns in the bedrooms upstairs, those are important to help keep the 1st floor air circulating . . . . on the 1st floor. Those returns also provide each BDR with supply and...
  23. 2 story with 2 returns

    The house is beautiful but needs help with upstairs A/C. After examining photos and looking at placement of returns (both first and second floor) it's obvious that there is not enough return air...
  24. Cooler basement

    I think you and your HVAC contractor should consider using the cooler air in the basement as a energy saving resource. Install enough return ducting to circulate the cooler basement air into the...
  25. Replies
    16
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    1,755

    New units plus future addition

    You didn't say how big the future addition was going to be. The heat and a/c calcs indicate your house probably has average insulation and window areas.
    What equipment is installed that you're...
  26. 2 stories with open floor plan

    That type of architecture always needs a different approach to air conditioning.
    Any 2nd story system installed needs to (function perfectly) for it to have any chance of success in cooling and...
  27. Water damage

    Dear Mommy2,
    The (Pros) on here have spoken. YOU, believe it or not, are at fault! In dealing with YOUR (PRO) remember their arguments and discussion. Then if YOUR (PRO) will not make it right . ....
  28. Replies
    446
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    32,243

    pictures worth a thousand . . . .

    Hey Ed,
    Can you please explain what's happening in that thermograph? Is the white, red, and orange color near the ceiling a result of the unit being in the attic? I always wondered about the metal...
  29. Replies
    446
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    32,243

    Analogies

    I like to compare a room and it's air (a fluid?) to a hot water tank . . . . cold water in through the top DOWN through a (dip tube) to the bottom where it's heated and then as it rises and is used,...
  30. Replies
    446
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    32,243

    Hi and Lo

    Thanks for the reminder Xavier, I'll get right on it. Right on . . . . Hi and Lo
    Phil
  31. Replies
    43
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    3,899

    ADP link

    Use the search function of this site. Type in ADP. The search results will take you to previous threads one of which will link directly to the ADP site. Once there you can read all about evap coils...
  32. Replies
    43
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    3,899

    water condensate

    I'm a homeowner and I don't get it. If the unit produces enough condensate water to produce an overflow or leakge problem, isn't that one of the proofs that the system (old or new) is working? Why is...
  33. Replies
    120
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    24,985

    E-barrier

    Seems to me you've proved your point . . . it doesn't work. Any other gymnastics you do to try to show there was (some) effect on lowering the attic temperatures only proves the effect, if any, is...
  34. Replies
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    1,515

    The law . . . . of chance

    Now watch . . . . next week you'll be involved in an accident (not your fault) with the company vehicle, the job you're on will turn into a can of worms costing the COMPANY money, your wife will find...
  35. Replies
    120
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    24,985

    Wet site

    Hey teddy bear,
    Nice pictures.
    I hope you didn't wait for the contractor to remove the water from the bldg. If it's still wet, get in there with a shop vac and get that standing water out of...
  36. Replies
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    1,797

    Costs to cool

    Admittedly, comparing monthly electric bills is not the final answer to cstarkey's question but seeing the comparison DOES beg an answer. Maybe it is the diffrence of the cost of a KWH, mine based on...
  37. Replies
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    24,985

    cooler attic vs cell phone recepiton

    I'm for keeping the attic cool even if it interfere's with cell phone reception. There are external antennae and amplifiers available to improve transmission and recepiton of cell phones.
    Phil
  38. Safety factor

    Don Sleeth, the designer of HVAC Calc, notes several times in his directions that there is NO safety factor built into the calculations. He recommends an additional safety factor of 20% to 25% be...
  39. House layout

    Downtown,
    I designed my own house. It has two levels the lower level has a walk-out. The ductwork and equipment were designed to be in the "conditioned space". That saves a lot of lost capacity but...
  40. Replies
    17
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    1,797

    Cost to run HP

    I live in North Texas, last two months have been over 100 degrees or near to it. Highest temp was 112.
    I built my 2500 sq.ft. house last year with lots of huge windows and no shade. Hilltop location...
  41. Replies
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    836

    Contractors

    Your contractor is one of those people who make it so difficult for us consumers to do it right.
    Continue to read threads on this site and eventually you will realize that 27 years in the HVAC...
  42. Replies
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    635

    Electric VS Propane

    I'll bet when you compare BTUH costs, propane will be cheaper over the next ten years especially in Indianna.
    Phil
  43. Replies
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    836

    Ductwork

    Ductwork (including returns) is or SHOULD be part of the entire HVAC design!! A house that is 98 feet long is definitely going to need return ducting to be efficient AND comfortable. You are going to...
  44. Replies
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    3,072

    Musty smell

    If you had the "musty" smell only that one time, maybe you should check to see if all the dogs and cats are accounted for. If they are all accounted for check for kids socks or your husbands dirty ....
  45. Replies
    120
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    24,985

    Radiant barriers

    One of the negatives from installing radiant barriers is supposed to be less life from the shingles or whatever roof covering has been applied.
    I have yet to see any long term studies verifying if...
  46. HEAT/COOL CALCs

    System installation, in my opinion, will ALWAYS come up short delivering the stated capacities. Lack of attention to details, poor system design installation, some sloppy work on ducts, charging,...
  47. Replies
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    2,031

    Cost per BTU

    Tom,
    Never mind the comparison of the number of BTU's in a given bucket of one fuel vs another fuel. Instead shop the "Cost per BTU". The comparison will change from region to region and from time...
  48. Replies
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    1,005

    Fuel prices

    There are very few places in the nation where electricity is cheaper than any other energy source for residential use.
    Phil
  49. Replies
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    6,363

    Too many returns?

    (Somebody). . . . at one point thought it was just enough!!!
    Phil
  50. The correct duct placement

    Ahhhhh, finally a sheet metal man who knows to install HIGH (and) LOW returns!! Good luck, I'm sure it'll be an improvement.
    Phil
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