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Posted by on October 25, 2006, 9:17 am
wrote:
>Stormin Mormon wrote:
>
>>Some brain storming, and adding to Noon's very good list.
>>
>>
>>Business courses
>>continuing education for all the new equipment that is hitting the
>>streets
>>insurances (business, liability, workmans comp, commercial vehicle)
>>bonds
>>licenses (state, county(s), city(s))
>>service truck or van
>>at least 2 gage manifolds with hoses (one for R-22, and other HCFCs,
>>the
>>other for R-410a) [if you can get ones with a sight glass, please do.
>>Totally useful thing to have, gages with a sight glass.]
>>Oil-less recovery machine
>>a recovery tank for each refrigerant that you deal with
>>vacuum pump
>>micron gage
>>clue [for when the folks on this list tell you "get a clue"]
>>oxy-acet brazing outfit
>>15% silphos
>>45% silver
>>tubing cutters
>>tubing bender kit
>>swedging kit
>>Box of fittings for ataching copper to copper
>>Sharpie pens for labelling things
>>Tape measures
>>knee pads for working on cement floors
>>ladders, both stepstools, step ladders, and extension ladders
>>digital thermometers
>>clamp-on digital thermometer
>>Infared thermometer, with laser aimer
>>VOM
>>amp clamp
>>Capacitor tester [included with some VOM]
>>megger [VOM which reads high scales]
>>a can of each refrigerant that you might need
>>Schrader replacement tool
>>avation snips [red, yellow, green; get one of each]
>>duck bill sheet metal pliers [sometimes called bulldogs]
>>PVC cutter
>>drill/driver [get a good one, and socket tips, and drillbits, and
>>screw driver tips]
>>Flashlights,t o include Mag, Minimag, Photon, and headlamp,
>>Plug in work lights
>>Ratchet wrench set,
>>Combination box / open wrench set
>>drill bits and hole saws
>>basic hand tools
>>Sawzall
>>All of the administrative and paperwork stuff
>>Pipe wrenches, and thread sealant
>>
>>
>You guys forgot test instruments for checking airflow velocity, CFM, &
>static pressures:
>One of the FIRST three things that need checking are the airflow CFM &
>duct system for leakage, plus indoor wet bulb/%RH, etc.
>
>Magnehelic® gauges, or manometers to check static pressures; airflow
>meters, & an over a $1,000 dollar Alnor® Balometer to check CFM to rooms.
>Plus a sling psychrometer or digital psychrometer for checking wet
>bulb/humidity levels.
>
>I did not see a good vacuum pump listed, though the micron gauge was listed.
>
>A Duct Blaster to check for duct system leaks, & a Blower Door
>instrument to check for amount of air infiltration, etc.
>Over Ten percent of the airconditioning latent/humidity load can come
>from humid air infiltration
>
>It takes a big investment to have what you need to do it right! Plus a
>large parts inventory!
>
>When the building rent, van, & Tech wages are figured in, -Who wants to
>total it up?
>Now you see part of why, (there is more,) contractors have to charge an
>ample rate to make a dime!
>- udarrell
As far as the manometer goes, get a basic one that actually uses
water. I've been bit one too many times by the fancy smancy ones.
Simple is better in this case. Be prepared to spend upwards of
10,000.00 just for tools. Then be prepared to spend another couple of
grand for the ones your going to lose.
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