We have a three story (plus also basement) house.
During hot weather, the upper floors are very considerably warmer
than the bottom floors. That's because, drumroll, hot air tends to
The issue, in my mind, is that air does not circulate sufficiently. It
would seem to me that the answer is to somehow suck air from the third
floor into where it is picked up by A/C for cooling, or just to
improve the speed of air circulation in general.
Are there any standard approaches to analyzing this problem. I would
prefer to fully understand the issues involves before making a
decision to hire any outside help.
The standard aproach is to start working at a hvac company as an
apprentice. Study hard and work your way up earning your apprentice
liscense, journeymen, masters, refrigeration certification and NATE
testing. Suck in about 10 to 20 yrs of this and you will soon
understand why it "isnt rocket science".
Either that or pay someone qualified to understand your problems.
You can PayPal me $99 per simple question, $150 per involved question
and $250 per technical question. Please, only one question per fee.
Surely, there is no substitute for experience. On the other hand, it
is helpful to understand "the issues" before talking to
professionals. As you know, some of them are not looking after my
interests, they only want to sell expensive goods and services. So
when talking to such professionals, it helps to know what one needs
and what one does not need.
Example, a few years ago lightning took out our A/C. I asked this
newsgroup, messed around with a multimeter to realize that a
particular board was at fault (speed controller, IIRC). I invited a
"professional", and asked him to check things out before making
recommendations. He promptly suggested to replace pretty much all
electronics. I asked him what is the basis for his conclusion, he
mumbled some nonsense, and it was clear that he was a liar or
Then we invited another A/C guy, who replaced the board that I knew
was bad, (he confirmed what I said) and the A/C is working to date at
1/3 the cost of what the first "professional" would cost.
So, yes, it does help to ask questions.
Dont waist your time today whith this group..........it is full of scared techs
trying to scare the DYI people into calling a tech first.....they been ripping
people off for years and are afraid when people DIY they find out how ripped off
Bubba if you had any confidence in your business you would share your info with
the average guy......that would prove your sincerity.......dont worrie you would
still get some work from the ones that screw up. When I used to repair tv's I
allways told them how to do DIY if they wanted? Sooner or later they came back
to me anyways.
But when they came back they knew why they got charged what they got charged
Some still bitched why I would charge 15 bucks for a front panel display
I would just point at the lights overhead.
All joking aside, it si good o get some training in the field.
Somepoeple can learn in six months, others take years.
Aptitudes vary greatly. Desire helps, as it is a driving force
(motivation), but it isn't enough, alone, without aptitude and a
degree of hands-on experience. Just sitting in a classroom for two
yearswon't cut it. Apprenticeship training can be excellent,
DEPENDING on WHO you are working alongsind and who you are working
under. Some fig trees bear little or no fruit.
So it is in any field.
10 or 20 years? No way. Unless the trainee is dumb as a box of
I had that problem. Installing a return would have been a major project
(like ripping out walls to remove fireblocks) and I even considered
running the return down the side of the house, outside, but that too
would have been a real project. I finally just bought a small window
unit and put it in the third floor; it works pretty well, but we air
condition only about three months a year, so I can afford to have the
second unit running.
Unfortunately, it is already set this way. I will try to verify
whether the ON setting is, in fact, working (easiest to do on a cool
morning). Maybe the issue is that I set it to ON, but it is not in
You have a typical problem in a vertical dwelling. Try running the fan "on"
for continuous circulation, make sure to keep the filter clean. Close a few
vents in the lower floor/s in cooling season and the opposite in heating
season... otherwise, you are probably in need of additional return ductwork
on the upper floors.
I was on an install a couple years back. We were working in a rather
hot attic, and they had a powered roof vent installed as part of the
job. We got it wired in, musta made twenty degrees difference in the
Christopher A. Young
You can\'t shout down a troll.
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