Greg O wrote:

+"Michael A. Terrell" wrote in message
m...


I ran into a bunch of those losers on news:alt.dodge.trucks a few
years ago. What they are afraid of is that if people ever found out
they could do 99% of the work themselves, at least half the HVAC
installers would be out of work.



The problem with your numbers is a good portion of the people out there
can't screw in a light bulb without instructions,but yet you think they
should run wire, braze line sets, and run ductwork? 3/4th's of installing
HVAC equipment is simply monkey work. The other 1/4 of the job is where many
people screw up, including many people in the trade. Sizing equipment,
sizing dust, properly evacuating a line set before charging, mechanical
codes, building codes... I can go on.


Please do. I didn't say that everyone could. The characters I had
to deal with perceived that scenario. There are people who can't do a
damn thing but invest. OTOH, there are people in the trades who can't
do a damn thing right. I've seen too many of them on job sites. The
lower the grade of their work, the more they worry about a homeowner
trying to do his own work.

I had an air conditioning problem in a TV station's control room. It
had given them fits for the two years they had been in their new
building. The contractor was there about once a month with another lame
idea when I was hired. They finally brought some 'experts' from the A/C
manufacturer and still couldn't understand why the 10 ton AC system
barely kicked on, but the equipment was overheating and failing. The air
temperature was 55 degrees inside the tiny equipment room, but the
idiots had all the vents at the ceiling, above the racks. They had never
heard of stratification. When I told them the cold air supply had to be
at the floor level I was called an idiot, and worse. I mentioned
computer rooms with all the A/C supplied under the raised floor and was
told, No one wastes their time doing that crap anymore! I told them to
prove me wrong, so they finally dropped a piece of flex from air supply
the ceiling, between the cabling and to about 6" above the floor.
Within five minutes, the equipment was cold to the touch.


IOW, not all 'professionals', are. It is the same in any profession.


You may be able to do this job properly, but how many people can? I know
guys in the trade that can not do it right!!

Same goes with other home repairs, or automobile repair. What you or I may
find simple, and a mind numbing repair, the next guy may not have a clue
where to start. Also the great majority of people can not do air
conditioning work themselves, it is against Federal EPA laws. If you want to
go through the testing required, go for it. not worth it in my mind to
install one system.
I have been on service calls where people have tried to repair their own
furnaces, then called us to do it right. When I get there I wonder why the
house has not burned down, or why the family has not died from carbon
monoxide poisoning..
Greg


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