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  1. Replies
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    We can buy it for lot less than your Tennessee...

    We can buy it for lot less than your Tennessee price. It was over double that over a year ago. I think the drop in price is because dry units are less popular now. Demand has therefore dropped.
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    Put the old thermostat back on. :-)

    Put the old thermostat back on. :-)
  3. Replies
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    109,183

    Dude. Please don't use all caps. Add some...

    Dude. Please don't use all caps. Add some punctuation. Your post is very hard to read!
    :grin2:
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    2,667

    I use the H10G and love it. Works better on 410a...

    I use the H10G and love it. Works better on 410a than the H10B.

    It is legal to add a little refrigerant to the nitro so your leak detector will do its job.
  5. Replies
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    Now THAT is FUNNY!!! :grin2:

    Now THAT is FUNNY!!!
    :grin2:
  6. Replies
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    2,852

    the good lord must of invented the psychometric...

    the good lord must of invented the psychometric chart...... the next day he invented whiskey...... it really is a valuable tool ......



    After enough whiskey....it could be anything!! :angel:
  7. You may want to check with the manufacturer....

    You may want to check with the manufacturer. someone else may have replaced the original control and changed the length already.
  8. Replies
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    2,852

    If you know your air flow and the Dry Bulb (DB)...

    If you know your air flow and the Dry Bulb (DB) and Wet Bulb (WB) of both the supply and return air, you can calculate your cooling capacity. If you take the readings at the supply and return...
  9. That is the way they are here too. Their name...

    That is the way they are here too. Their name used to end "Heating and Cooling". Their nickname ended "Cheating and Fooling". I stand against putting techs on commission. Just a bad idea.
  10. Replies
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    My H10-G finds R410a leaks just fine. Make sure...

    My H10-G finds R410a leaks just fine. Make sure you have the G.
  11. Replies
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    345

    This question can not be answered in open forums....

    This question can not be answered in open forums. Get your post count up and apply for pro membership.
  12. I have tested the systems at my home and...

    I have tested the systems at my home and business. With the fan switch set to ON, the RH increases about 15%
  13. Replies
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    2,524

    Must be a bad TXV! Really now, start a new...

    Must be a bad TXV!

    Really now, start a new thread!
  14. Replies
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    641

    Owl Flex!

    Owl Flex!
  15. Replies
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    1,226

    The brighteners degrade the coil over time. They...

    The brighteners degrade the coil over time. They actually dissolve metal because they are so corrosive. If you use them, rinse for at least 20 minutes to get the residue off. Near salt air they can...
  16. Replies
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    When you check the indoor coil and determine if...

    When you check the indoor coil and determine if it is a piston or TXV, write it down inside the service access panel outside. I use a paint marker. That saves time the next trip out.
  17. They were absorption systems. I have had it...

    They were absorption systems. I have had it explained to me. They make perfect sense....for about a day. Then you say HUH?!
    There is no mechanical compressor, and water is the refrigerant. Some...
  18. Replies
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    1,455

    :whistle:

    :whistle:
  19. Sell them a Service Agreement with 2 tune-ups a...

    Sell them a Service Agreement with 2 tune-ups a year. Add 3 pan pills on every tune-up as preventative maintenance.
    put some algaecide in the furnace condensate drain if you have one.
  20. Replies
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    2,809

    Browned butter sauce!? What is that? It sounds...

    Browned butter sauce!? What is that? It sounds yummy!
  21. Lennox says use only R-22 as a flush and capture...

    Lennox says use only R-22 as a flush and capture it in a recovery drum. I have never done that, not with the price of R-22.
  22. We had oil fill plugs on our vacuum pumps fall...

    We had oil fill plugs on our vacuum pumps fall apart. We would unscrew them to change the oil in the vacuum pump and they fell apart in your hands. Now EVERY time we use flush, the vacuum pump oil...
  23. We stopped using flush a couple of years back....

    We stopped using flush a couple of years back. Time and cost were both factors. Plus I have been told mineral oil mixes fine with poe. We have not had any problems since we switched to just blowing...
  24. Replies
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    I would lose the 3M filter and replace with a...

    I would lose the 3M filter and replace with a fiberglass filter. 3M filters are very restrictive.

    Been there, what kind of ducts do you have? With good air flow you can cool below 68 degrees.
    ...
  25. Thread: Freon

    by Kevin O'Neill
    Replies
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    5,575

    Sounds like the OP knows how to make it, but not...

    Sounds like the OP knows how to make it, but not how to use it. :.02:
  26. I made my own excel spreadsheet. Then I got...

    I made my own excel spreadsheet. Then I got documents to go for my cell phone. I have what I need, not what I don't need.
  27. Replies
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    2,611

    I heard Goodman started the dry units. Then I...

    I heard Goodman started the dry units. Then I heard Nordyne started it. Our Goodman rep says Goodman was first. I don't know for sure who started it but Nordyne sells very few dry units around here....
  28. Replies
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    2,611

    The goodman rep in my area says he sells 2-3...

    The goodman rep in my area says he sells 2-3 times as many dry units as pink systems. That is down from 4 to 5 times as many dry units as pink systems 2 years ago.

    Just wait next January for R22...
  29. Replies
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    That will not help. There is no water in the...

    That will not help. There is no water in the riser to pump.
  30. Replies
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    770

    Not enough static pressure in the water loop. You...

    Not enough static pressure in the water loop. You need to get the building owner to turn up the water pressure in the loop.
  31. Replies
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    751

    Last Ruud unit I worked on still energized the...

    Last Ruud unit I worked on still energized the reversing valve in heat. Rheem too.
  32. Replies
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    Great info Mikey.

    Great info Mikey.
  33. Replies
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    I stay away from the top tech motors. Carrier...

    I stay away from the top tech motors. Carrier parts is a division of Watsco, who also owns East Coast and Baker Distributors. That is a motor they get cheap. It is the store brand. I have started...
  34. Replies
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    On copper to copper, no flux is needed with 15%...

    On copper to copper, no flux is needed with 15% silver solder.

    On copper to brass, per manufacturers instructions, 15% silver solder is ok, but flux must be used.
  35. Replies
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    If the insulation inside the unit is wet, the pan...

    If the insulation inside the unit is wet, the pan is leaking. If just the outside of the cabinet is wet, that is sweating. Note that Carrier says pleated filters increase coil blowoff, especially on...
  36. Usually the filter in the unit is only for closet...

    Usually the filter in the unit is only for closet installs. Then there is no return duct, so all of the static is available for the supply duct system.

    Still I would not use a pleat in there.

    ...
  37. If the question did not specify 15%, I would say...

    If the question did not specify 15%, I would say "it depends on the alloy." There are a LOT of silver brazing alloys available, all with different flow temperatures.
  38. Replies
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    The 1" pleats have 2.5 times the pressure drop of...

    The 1" pleats have 2.5 times the pressure drop of 1" fiberglass filters. Typically they reduce air flow 10 to20 percent compared to fiberglass filters. Around here a 20 x 20 filter is what is used...
  39. Replies
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    BAYKSKT250A Standard Trane or AS start kit. Fits...

    BAYKSKT250A Standard Trane or AS start kit. Fits all sizes. Or at least it used to.
  40. Why 4 ton. Did he do a load calculation? Will the...

    Why 4 ton. Did he do a load calculation? Will the ducts handle 1600 CFM?
  41. Replies
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    108 degrees? OMG!!

    108 degrees? OMG!!
  42. Replies
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    If there is a double trap, put a vent between the...

    If there is a double trap, put a vent between the traps. The vent outlet should extend above the unit drain pan so the water always comes out the correct place. If it is in an attic, Put an easy trap...
  43. Replies
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    Amen.

    Amen.
  44. Probably not, unless it is top of the line.

    Probably not, unless it is top of the line.
  45. Replies
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    564

    Noisy outdoor units..... Put a concrete pad...

    Noisy outdoor units.....

    Put a concrete pad under it instead of a plastic pad. That helps.

    Put 2 elbows between the unit and where the lines go into the wall. That helps too

    Heavier...
  46. Replies
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    376

    Thermistor is made in your state. Just go pick...

    Thermistor is made in your state. Just go pick one up. You may have to prove you are a tech.
  47. Replies
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    376

    Don't run the house blower to continuous fan...

    Don't run the house blower to continuous fan while in cooling. That will raise the relative humidity in the house 15% due to re-evaporation of the water left on the indoor coil.
  48. Replies
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    The trouble with checking the amps in circuit is...

    The trouble with checking the amps in circuit is that you also have inductive reactance of the motor winding in series with the capacitor. This will limit the amps as well. You can hook the capacitor...
  49. Where are you? What kind of building? How big...

    Where are you?
    What kind of building?
    How big is the structure?
    What is the building used for?
  50. Reduce air flow to 350 CFM/ ton. Reduce air...

    Reduce air flow to 350 CFM/ ton.
    Reduce air leakage of the structure.
    Install a ducted dehumidifier if the equipment is oversized.
    Seal the ducts.
    Proper sizing, proper charge, proper airflow,...
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