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Type: Posts; User: coco

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  1. Replies
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    918

    when you are cooling, do not keep thermostat to...

    when you are cooling, do not keep thermostat to fan on. leave it on auto. when you keep your fan on at all times your a/c works to remove humidity then shuts off but your fan keeps running. your coil...
  2. Thread: Downstairs return

    by coco
    Replies
    13
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    1,249

    if you say your house is really dry, try a duct...

    if you say your house is really dry, try a duct mounted humidifier. with a return in your basement it will pull in the dry air and add moisture to it. im from MN himidity is terrible here . dew...
  3. Replies
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    1,094

    a aprilaire himidifier is a smart investment ...

    a aprilaire himidifier is a smart investment especially w/ hardwood floors. if you can raise the humidity it makes it "feel" warmer. electronic air cleaners i feel are a waste of money. they...
  4. Replies
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    thats funny what an idiot. im from mn been...

    thats funny what an idiot. im from mn been installing for 6 years now . 90's are the way to go. if that flue ices up its 100% from improper installion. i work with guys that have 3 months...
  5. Thread: Downstairs return

    by coco
    Replies
    13
    Views
    1,249

    $500? holy shit thaTS alot should be more like...

    $500? holy **** thaTS alot should be more like 75-150. definetly need a return to help spread air for more equal distribution, remove humidity from the damp basement in summer and provide...
  6. Replies
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    2,614

    being as the room is entirely surrounded by...

    being as the room is entirely surrounded by unconditioned spaces (attic above garage below) lot of heat loss and gain. you will definetly HAVE to have sufficient supply and return . if i cant get...
  7. Replies
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    2,664

    im only a residential tinner and that house is...

    im only a residential tinner and that house is about 10,000 more sq ft then anything ive ever seen. im not sure about residential systems . thats most likey a commercial job. u start getting into...
  8. make sure to use a longthrow copper 90's where...

    make sure to use a longthrow copper 90's where needed. i use longthrows on anything bigger than 5/8
  9. Replies
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    1,189

    ive never seen a fan above a shower ever. a...

    ive never seen a fan above a shower ever. a small bathroom only needs a small 50 cfm fan usually by toilet. larger bathrooms yeah panasonic 90-110 cfm fans are nice near a whirlpool, if your...
  10. Thread: Auto a/c question

    by coco
    Replies
    17
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    1,701

    freeon is to exspensive i put water in there and...

    freeon is to exspensive i put water in there and it works great
  11. Replies
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    4,085

    is there a floor heat close to a tub in a...

    is there a floor heat close to a tub in a bathroom that maybe had water splashed into it? maybe near a front entry way? heats are usually placed near windows (most heat loss and gain) when there...
  12. Replies
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    8,145

    and id say for non stop running it costs maybe at...

    and id say for non stop running it costs maybe at most $20 a month
  13. Replies
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    8,145

    i have a 3/4 ton window a/c that cools a 900sq ft...

    i have a 3/4 ton window a/c that cools a 900sq ft rambler to 70 when its 90 degrees plus. when the temps dropped into the 70's at night , i had a heating only thermostat (only way of turning it off...
  14. Replies
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    2,274

    i would start by figuring out wht the return...

    i would start by figuring out wht the return airflow is so weak
  15. Replies
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    2,274

    hope u have clean filters, start by reaching hand...

    hope u have clean filters, start by reaching hand in register to see if a damper is closed inside the run. returns wont be dampered. probly just a bad run, not smooth, sharp bends etc. if u have...
  16. Replies
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    1,109

    quit being cheap metal pipe is much better...

    quit being cheap metal pipe is much better airflow than flex i wouldnt want 1 piece of flex anywhere in my house no limit to length? a 20 ft supply flex with a bunch of bends in it terrible...
  17. Replies
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    1,109

    sorry from minnesota. when i say heats i mean...

    sorry from minnesota. when i say heats i mean supplies :) read you had baseboard heat
  18. Replies
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    how many heats ? how many returns? sizes of all? ...

    how many heats ? how many returns? sizes of all? nice smooth runs? sharp bends in flex is horrible. shouldnt run more than 10 feet of flex anyways per run, returns are more leniant. any longer...
  19. Replies
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    1,109

    what state u in? 50 yr old house id have my...

    what state u in? 50 yr old house id have my attic insulation professionally inspected and make sure those old ducts are nice and shiny on the inside. these are rough guesses only have so much...
  20. Replies
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    1,363

    something is obviosly wrong. i bet a new...

    something is obviosly wrong. i bet a new apprentice went to town in there and did alot of little hard to see but critical errors. i get to train these new guys in and it makes me feel like a...
  21. Replies
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    8,145

    thanks , kinda thought that after i already sent...

    thanks , kinda thought that after i already sent and thought about it. my dad has a eac in a 1600sq ft townhome he has 1 bedroom upstairs that doesnt cool good. i told him to always run his fan so...
  22. Replies
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    1,109

    would it be more efficient to turn a zone system...

    would it be more efficient to turn a zone system into a single zone system? no . be cheaper to operate at your comfortablities expense. i have nothing against single zone systems they work great. ...
  23. Replies
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    8,145

    why does keeping stat on auto remove more...

    why does keeping stat on auto remove more humidity then ON? just curious
  24. Replies
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    1,094

    most definetly need a return installed and maybe...

    most definetly need a return installed and maybe an additioinal supply. hard to say w/o seeing. a low installed return will help "pull" the heat which comes from the ceiling, helping spread the air...
  25. Thread: Flex Duct?

    by coco
    Replies
    13
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    2,410

    flex is great if used correctly. a smooth S run...

    flex is great if used correctly. a smooth S run in flex is better airflow than 2 hard sharp turns . where its straight use pipe and never use more than 10 feet of flex in a run.
  26. Thread: tech help

    by coco
    Replies
    12
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    1,243

    dont make things more complicated than they are....

    dont make things more complicated than they are. check filters . feel registers good flow coming out? are return airs free from obstructions? outside unit clean? coil draining properly? alot of...
  27. Thread: heat tape

    by coco
    Replies
    46
    Views
    3,437

    the goal of the insulation is to keep it from...

    the goal of the insulation is to keep it from sweating, and absorbing unwanted heat. the refrigerant should only be absorbing heat from your return airflow. why add extra heat to the refrigerant so...
  28. Replies
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    486

    anyone have any tips for removing baby birds from...

    anyone have any tips for removing baby birds from bath fans ? the siders come by and j block around the hood on exterior and knock the cage off. spent 4 hours with me and another guy on a 6 ft flex...
  29. Replies
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    962

    right now 30 -35 % of your heating bill goes out...

    right now 30 -35 % of your heating bill goes out your roof and doesnt even heat your house. on a $300 bill , 100 bucks goes out the flue replace that antique
  30. Replies
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    962

    im from mn so i think your climate is similar....

    im from mn so i think your climate is similar. your old furnace is most likely 70% efficient is 120,000 btus input or output? if its input btus take 70 % of that, 84,000 is what you need for...
  31. Replies
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    shut down the valve on the little line and run...

    shut down the valve on the little line and run the unit until it starts making loud bangs then shut the other one and hope you can run fast
  32. Replies
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    4,478

    your a coil is gonna absorb way more heat than...

    your a coil is gonna absorb way more heat than the condenser can get rid of, higher pressures and temps, shorter equipment life.
  33. Replies
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    4,478

    ive never heard of the indoor coil being more...

    ive never heard of the indoor coil being more than a 1/2 ton larger than the outdoor not a master but 6 yrs experience and a degree
  34. Replies
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    987

    is it unfinished below? or does it come from...

    is it unfinished below? or does it come from above? either way would be easy to move but if its coming from below and its finished then you might have to drop the lower ceiling, remove the upper...
  35. Replies
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    2,036

    55 years of company experience my boss knows in...

    55 years of company experience my boss knows in 10 seconds what size furnace and a/c w/o manual j
  36. Replies
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    966

    replace both they should no better they just...

    replace both they should no better they just want the new condenser to outwork the old indoor coil so it will fail and then they can get more $$
  37. Thread: txv vs. pistons

    by coco
    Replies
    4
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    1,436

    what are the differences between how a piston or...

    what are the differences between how a piston or txv modulates refrigerant flow? what are the pros and cons of both ~~just curious~~
  38. Replies
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    2,036

    wow i never thought about such large a/c 's down...

    wow i never thought about such large a/c 's down south we it takes a 4-5000 sq ft house to get 4 or 5 tons of cooling in mn
  39. Replies
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    2,036

    new construction , very tightly insulated homes ,...

    new construction , very tightly insulated homes , master of airflow
  40. Thread: hard or flex duct

    by coco
    Replies
    15
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    1,572

    you would have to check codes, but here in...

    you would have to check codes, but here in minnesota you cannot run more than 14 ft of flex per run on supply. return air has no flex limits, use common tinning sense a return 25 ft or longer isnt...
  41. Replies
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    2,036

    r-22 40 ft linest 5/8 3/8 9 7''r/a 17 6'' s/a

    r-22 40 ft linest 5/8 3/8 9 7''r/a 17 6'' s/a
  42. Replies
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    2,036

    here in minnesota 2400 sq ft we put in 2 .5 tons...

    here in minnesota 2400 sq ft we put in 2 .5 tons and they work great 20 degree td on a 95 ambient w/ high humidity
  43. Replies
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    3,302

    i dont care for it its ok a c maybe dont like...

    i dont care for it its ok a c maybe dont like the deadheaded supply trunks
  44. Replies
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    6,762

    you make ductwork look 10 times more complicated...

    you make ductwork look 10 times more complicated than it should be
  45. Replies
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    6,762

    wow thats kinda cool. here in mn we use a custom...

    wow thats kinda cool. here in mn we use a custom built plenum rather than the 1st large duct. then we will tap the different ducts into it
  46. Replies
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    7,923

    just as i see in almost every furnace set on...

    just as i see in almost every furnace set on here... using 4 inch pipe instead of b vent.. no good. potentially very hazardous. that pipe will flake apart ina few years ive seen it take as long as...
  47. Thread: Hot Upstairs

    by coco
    Replies
    47
    Views
    5,824

    only 1 return up that sux

    only 1 return up that sux
  48. Replies
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    1,162

    hes a cheapo who gets away with putting central...

    hes a cheapo who gets away with putting central returns in houses . ball park you should have 1/2 as many returns as supplies.say you have 20 heat runs , you should have 9-11 returns. think of how...
  49. leaky ductwork load not great enough at 80 when...

    leaky ductwork load not great enough at 80 when its 100 shes at full load thats why its cooler
  50. Replies
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    1,365

    your a/c coil inside the duct is packed with...

    your a/c coil inside the duct is packed with dirt. airflow terribly restricted. not only will the unit have trouble absorbing the heat out of your house, but in heating mode it will make the furnace...
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