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Type: Posts; User: davefr

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  1. Amprobe TMD series (Thermocouple Thermometers)

    Has anyone used the Amprobe TMD series of digital thermometers?

    Like this one:

    http://ecx.images-amazon.com/images/I/41oKeLfWVWL._SL500_AA300_.jpg

    The specs are nearly identical to Fluke and...
  2. Check pressures as part of regular maint. - good or bad idea??

    Should a service tech. check pressures as part of regular maintainance on an AC or HP system with no performance complaints from the customer?

    There's risk that the tech. could screw up a correct...
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    You can be the best HVAC tech around but that...

    You can be the best HVAC tech around but that won't make you a good businessman and/or manager.

    I see it all the time. Someone becomes very good at what they do and then they decide to start their...
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    1,817

    ^^^ what he said. Do it when time is on your...

    ^^^ what he said.

    Do it when time is on your side. That way you can find the good contractors and hopefully avoid the peak times when everyone is swamped.

    When work is slow you'll also have a...
  5. Thread: truck mpg.

    by davefr
    Replies
    130
    Views
    12,251

    It's history:...

    It's history:
    http://toolmonger.com/2009/12/23/gm-ends-big-block-production/




    There's no replacement for displacement:)
  6. Replies
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    2,225

    You've obviously been very thorough in your...

    You've obviously been very thorough in your decision making process. Good luck with your new system. Make sure your contractor is the best you can find!!
  7. Thread: truck mpg.

    by davefr
    Replies
    130
    Views
    12,251

    My '06 GMC Sierra 4X4 has a big block 8.1 and the...

    My '06 GMC Sierra 4X4 has a big block 8.1 and the DIC shows 13.1 MPG averaged over several thousand miles. (not much stop and go). Weight 7000 lbs.

    I love big blocks!!
  8. Replies
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    2,225

    Why do you want to replace a system that's...

    Why do you want to replace a system that's running perfectly? It could die tomorrow or run for another 14 years. I'd wait for it to be problematic before replacing it.
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    4,471

    If the schrader valve is leaking, a tech can...

    If the schrader valve is leaking, a tech can generally replace it with a special tool that keeps the system sealed. (and thus the repair is affordable). Then you should put on a new cap and tighten...
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    6,327

    Poll: A "good" install will handle condensate. You...

    A "good" install will handle condensate. You need to be 100% sure you get an installation that's designed with condensate backup systems and a overflow shutdown sensor.

    However even good installs...
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    1,530

    Have you hooked your existing pump directly to...

    Have you hooked your existing pump directly to your micron gauge? How low did it go?

    I would be willing to bet that most vacuum problems are hoses and setup vs. pump.
  12. Replies
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    6,327

    Poll: This is as close to hell as it gets

    OMG!! Working on that system would be like a journey thru hell!! Sucking in insulation dust, sweating like a pig in a hot humid Texas summer, breaking your back and knees hunched over this thing, and...
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    2,818

    You can also get the legendary hard handle Snap...

    You can also get the legendary hard handle Snap Ons under the Williams brand. Williams is a subsidiary of SO and still making these screwdrivers. SO has apparently discontinued them and gone...
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    2,638

    Start with a new lineset. It's cheap compared to...

    Start with a new lineset. It's cheap compared to the hell you could go thru if a small leak forms from re-use.

    Make sure to keep the old lineset and don't let the crew take it during cleanup. ...
  15. Replies
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    6,327

    Poll: Go metal ducts and garage install. I hate...

    Go metal ducts and garage install.

    I hate Saran wrap ducts and attic installs look like pure hell for service.
  16. Replies
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    2,319

    Then I'd suggest you try and sit down with as...

    Then I'd suggest you try and sit down with as many HVAC companies as you can. Ask the manager if you can have an informational interview AT THEIR CONVIENANCE.

    An informational interview is easier...
  17. Replies
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    2,319

    Have you gone to HVAC school? If so, try and get...

    Have you gone to HVAC school? If so, try and get some job leads from your instructors or the schools placement office. The school can help you far more then cold calling.

    You might also try and...
  18. Replies
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    2,319

    Maybe some techs. will chime in here, but I don't...

    Maybe some techs. will chime in here, but I don't think showing off your tools will prove your worth hiring.

    I think you need to demonstrate a track record of mechanical problem solving and an...
  19. Replies
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    2,319

    There's an abundance of good used name brand...

    There's an abundance of good used name brand tools out there from CL and Ebay for pennies on the dollar if you have the time to go that route.

    If not, then you can get an inexpensive "get started"...
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    That one seems too hunkey. I like this style...

    That one seems too hunkey. I like this style better:
  21. Replies
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    2,818

    Disappointed with Klein Screwdrivers

    Has Klein gone downhill lately? Their screwdrivers were legendary however it seems like they're now using much softer steel for the shanks/tips. The least little bit of torque now mangles the tips....
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    4,087

    Why not the Prestige if you want the best?? ...

    Why not the Prestige if you want the best??

    The setup is so simple/obvious even a cave man could do it and it's full featured.
  23. Thread: Best Pizza...

    by davefr
    Replies
    75
    Views
    6,078

    That's the one. Apparently they still use a coal...

    That's the one. Apparently they still use a coal oven. I heard it's slipped a little bit though.

    Here's Jeff Varasanos rankings of the world's best pizzarias (scroll way down):
    ...
  24. Thread: Best Pizza...

    by davefr
    Replies
    75
    Views
    6,078

    Patsy's in Manhatton or Johnny's in Mt Vernon.

    Patsy's in Manhatton or Johnny's in Mt Vernon.
  25. Replies
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    3,428

    I didn't think a vacuum pump could purge an old...

    I didn't think a vacuum pump could purge an old R-22 lineset of residual mineral oil. Doesn't a vacuum pump boil off moisture? Can it completely suck out an old lineset to an oil free condition?? ...
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    Maybe one of the techs will chime in here, but...

    Maybe one of the techs will chime in here, but I'd pull the disconnect and turn the themostat to emergency heat.

    I would not want to continue running a problematic HP until it's checked out.
  27. Replies
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    Good point, and even if they run the vacuum pump...

    Good point, and even if they run the vacuum pump it's main function is to boil of moisture. I don't think a pump can possibly decontaminate an old linset no matter how long or how low you let it...
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    821

    The system capacity difference between 3/4" and...

    The system capacity difference between 3/4" and 7/8" for a 31' run is very, very small. Most manufacturers publish a correction factor but I'd guess you're losing less then 1-2% of it's capacity...
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    833

    That does seem like a bad location. Especially...

    That does seem like a bad location. Especially if there's a large hole behind the thermostat for the wiring.

    My choice would be just to the left of the banister in the central part of the house...
  30. That would be my advice. Most home warranty...

    That would be my advice. Most home warranty companies do the absolute bare minimum they can get away with and the "hacks" that align themselves with home warranty work go along with it since they...
  31. Replies
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    6,190

    Why would it? Does the compressor really care...

    Why would it? Does the compressor really care whether it's sucking gas from the indoor coil (A/C mode) or outdoor coil (Heating mode)?

    The reversing valve solenoid is getting more of a workout...
  32. Replies
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    1,387

    Something's potentially wrong with this picture. ...

    Something's potentially wrong with this picture. Why don't you have gutters on this side of the house? From the image it looks like they end at the corner.

    I believe most manufacturer's say that...
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    Honeywell.com has some good documentation on...

    Honeywell.com has some good documentation on thermostat operation.
  34. Replies
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    The outdoor fan should shut off and the reversing...

    The outdoor fan should shut off and the reversing valve would switch over. The compressor will continue to run. The air handler would also continue to run but output temp might be lower depending on...
  35. Any great hardware stores left where you are???

    I'm curious if there are any great hardware stores left.

    In CA they used to have Orchard Supply until they got in bed with Sears and turned to crap.

    In Seattle, McLendons in Renton had...
  36. Replies
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    3,428

    It's like getting a new set of tires and having...

    It's like getting a new set of tires and having the tire store re-use the old valve stems.

    Price is small relative to the total installed system price so I'd have it replaced unless there's a...
  37. Replies
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    736

    Your post illustrates a common question that...

    Your post illustrates a common question that keeps popping up. (ie is your HP performing properly or has it's performance degraded).

    Next time you know it's operating properly then characterize...
  38. Replies
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    1,658

    The guys that do residential and sacrifice...

    The guys that do residential and sacrifice holidays, weekends, nights and endure the worst extremes of the weather do deserve appreciation. (ie things tend to break during the extremes of hot and...
  39. Replies
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    4,093

    I disagree. I was able to pinpoint a failed flex...

    I disagree. I was able to pinpoint a failed flex duct connection embedded inside a wall with my IR temp sensor. I was able to pinpoint the hotspot area within inches. I could cut out a mere 12" X...
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    674

    Yes, It's far and away the most compelling...

    Yes, It's far and away the most compelling performance upgrade I've done to a PC. Much more compelling then overclocking or other upgrades. Apps load instantly and bootup is very fast.

    I use the...
  41. Thread: Prestige vs IAQ

    by davefr
    Replies
    4
    Views
    880

    The Prestige's outdoor sensor is wireless. (life...

    The Prestige's outdoor sensor is wireless. (life is 5 years on a pair of AA Lithium batteries)

    The IAQ outdoor temp sensor needs to be hardwired so that might be an issue for existing...
  42. Read the thread again. The topic is repair vs...

    Read the thread again. The topic is repair vs replace. No where did anyone suggest leaving the system unsafe and/or in a disrepaired/as is state.
  43. Yes, it'll likely increase resale value. But if...

    Yes, it'll likely increase resale value. But if he pays X for a new furnace he'll likely only see .4X-.7X in increase in resale value.

    If the difference can be made up in rebates and tax...
  44. HVAC upgrades represent very low payback in...

    HVAC upgrades represent very low payback in resale value. Do a search for the typical data and then do the math and factor in any rebates, etc.

    I would not be inclined to spend big bucks if...
  45. Replies
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    2,245

    That's a very good method. After an outage most...

    That's a very good method. After an outage most people rush out and buy gasoline powered generators. Then these generators sit for a couple years until the next outage and the homeowners can't...
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    Maybe this wil help: ...

    Maybe this wil help:

    http://www.acca.org/Files/?id=186

    For your installation I would want as much information as possible how the contractor will properly size the system and design the duct...
  47. Replies
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    6,350

    Sometimes I take my own bottle of wine to a...

    Sometimes I take my own bottle of wine to a restaurant and they charge me corkage.

    I can take my own premium motor oil to Jiffy Lube and they're happy to use it instead of theirs. (ie at the same...
  48. Replies
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    1,469

    Yes, but the thermostat is so cool to watch!!

    Yes, but the thermostat is so cool to watch!!
  49. Hint: Maybe Manual D will give you the answer

    Hint: Maybe Manual D will give you the answer
  50. Replies
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    I'm sure the Pros will jump in here and say that...

    I'm sure the Pros will jump in here and say that for every installation they need to make $X. $X comes from markup on the equipment (ie $Y) + labor (ie $Z).

    If they can't get $Y from the...
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