Air Conditioner Review Room
Air Conditioner Review Room
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Topics from 2003/2004
Car A/C petrol consumption
What proportion of petrol consumption are car air conditioners responsible for? - It is suggested that there is a loss of 3 miles per gallon of fuel efficiency for car air conditioners. However that likely assumes a large luxury car. -
Further, if you're already piloting a Rolls-Royce or Chevrolet Suburban, your mileage will not drop from 10 to 7 mpg. It is your Honda Civic or MINI which will take the hit, but what, from 30 to 27mpg? Better than soiling the seats! -
Topics from 2005
Image needed
A photo of a "classic" in-window air conditioner would be nice. More importantly, we need a diagram illustrating how the air is cooled and dehumidified (which is why I searched for this article in the first place). - dcljr 02:00, 21 July 2005 (UTC)
Topics from 2006
Emerson quiet Kool
- File:68 12.jpg
Fedders Old Air Conditioners
- fedders.jpg -
Too many abbreviations unclarified
""Freon" is a trade name of Dupont for any CFC, HCFC, or HFC refrigerant, the name of each including a number indicating molecular composition (R-11, R-12, R-22, R-134)."
CFC, HCFC, and HFC should be stated as to what they stand for. CFC I assume stands for chlorofluorocarbon. Stating what the R in ,(R-11, R-12, R-22, R-134), should be stated as well. -
"R" stands for refrigerant silly. And yes, CFC stands for chlorofluorocarbon. Mikiemike 18:08, 2 May 2006 (UTC)
Australia
I have deleted the un-referenced claim that "air con" is a common abbreviation in Australia. I have been designing air conditioning systems for over 30 years in Australia and in my experience this term is very rarely used. By far the most common abbreviation is "A/C" or "A.C." or "HVAC" in some situations. A/C is used in relation to commercial applications and is the abbreviation used on most car air conditioning controls. Further, the term "air con" is not mentioned in Australia's national dictionary, the Macquarie.
If there is evidence to support the original claim, the original author (213.206.140.66) should provide a suitable authoritative reference when reinstating the text. IanWills 23:50, 1 May 2006 (UTC)IanWills
Reverse Cycle
No mention of reverse cycle air conditioners.
I think the person means a Heat Pump , which is basically an Air-Condition ran in reverse . In mild climates they work by attempting to cool the outside air even more and the hot side heats the inside of a building . below like 40 above outside temp they lose considerable efficiency and at lower temps they dont work at all , unless the source of heat is geothermal or underground water . Air to air designs can't work in moderate to severe cold . A simple air to air unit would work in Duluth, GA for example but not in Duluth, MN .
Some users complain that the lower discharge temp(95 or so vs. 120 for old school furnances) makes them feel drafty or chilled but it might be worth the lower utility cost versus electric resistance heating or fuel oil/propane .
~ William Miller A.S. EET
Energy usage..
should be some mention of energy usage with re: to air conditioners. - Abscissa 23:12, 17 June 2006 (UTC)
Can an air conditioner be construcred in such way that the CFCs emitted from it can be filtered and doesnt harm the environment?
The aforementioned Persian cooling systems
"The aforementioned Persian cooling systems..." don't seem to be aforementioned.
yeah right they should have mentioned the mechanisms "ATLEAST"
Who is Wolff?
Mentioned in the article but no idea what it's referring to
Hot
It's so hot in Québec, it's 32 degrees celcius in my room, I need air conditioning please.74.56.48.155
Inappropriate link
The link at the bottom of the page, entitled "design failings of monoblock portable AC" is inappropriate for wikipedia, as it is un-scientific and contains an absurd amount of profanity!!!
Second law of thermodynamics?
Excuse my ignorance, but how does air conditioning NOT violate the 2nd law? Isn't it taking heat from a warm enviroment (inside of a building), and transfering it to a hotter enviroment (outside the building)? Doesn't this process in effect reverse the effects of entropy? Inforazer 15:14, 12 September 2006 (UTC)
- 2nd law only states that the aforementioned process cannot occur spontaneously, as it requires energy to do that. Air conditioners DO use energy to induce a flow of heat that would not occur naturally. Santtus 17:16, 30 October 2006 (UTC)
Pictures of the various units?
How about a picture (or drawings, just something to illustrate) the various types of air-conditioners units?
Window and through-wall units Evaporation coolers ... "Ductless", "duct-free", or "mini-split" air conditioners
Some of them are not very clear of how they are / looks like
Cleanup
Article clean-up underway, as requested. This is a large, competitive industry, but please try not to include commercialism. 129.237.114.171 20:55, 6 November 2006 (UTC)
who is the author?
i want to know who is the author of this page? thanks
Topics from 2007
Reverse cycle air conditioners
As mentioned above, there's nothing about reverse cycle air conditioners , neither here nor elsewhere in Wikipedia, that I can find. Do they have another name? --Chriswaterguy 14:05, 5 March 2007 (UTC)
Reverse Cycle, Power Factor and Load Factor, Inverter technology
I have tried to add some mention of reverse cycle air conditioning - sitting here in Adelaide on a 37C day in the comfort of mine. Also there are other issues missing - I have touched on the Power Factor issue in the electricity distribution network - a major issue in extreme weather conditions, as the out of phase currents stress the distribution transformers, and the effect on load factor (peak to average use) of power overall in hot weather. Australian experience so may be different elsewhere. JohnT 08:21, 10 March 2007 (UTC)
Of course there is. They are called Heat Pumps.
Evaporative and Thermostats
The section on evaporative units did not mention the critical issues of Relative Humidity and air flow - evaporative performs poorly in high RH or with a closed up house / office. I also note that the section on thermostats fails to note anything about the very normal use of thermostats on all refrigeration cycle air conditioning units - used to both control the on / of cycle of the compressor, and to check for coil icing. Anyone have any views as to why it should not be mentioned? JohnT 06:52, 11 March 2007 (UTC)
and that is the air conditioner
Air conditioner and heat island effect
I believe, that besides all this information about the usefullness of air-conditioneers, there should be also (at least) some critical note, that by having nice fresh air inside, you heat the outside more with your system. This effect causes even more the urban heat island effect and should be included to an OBJECTIVE article about air conditioners. Thanks and sorry that I dont have enough time to include this section by myself...
This article has become useless
I looked at this article hoping for (a) history of air conditioning, and (b) diagrams of how air conditioners work. There's nothing like that here. I clicked a random archived copy (one from July 2006), and found both of those things. This article seems to have be edited and re-edited and edited some more, to the point that it is fairly bare-bones and lacks A LOT of useful, pertinent, and interesting information. People come to Wikipedia for accurate, clear, objective, COMPLETE information on different topics. This article, for reasons I don't understand, used to be great and is now bad. Why did this happen, and what can we do to fix it? Why were the diagrams removed? Why was the history removed? All that stuff is useful, educational, and interesting. Piercetheorganist 10:34, 18 May 2007 (UTC)
Spam and Copyvios
Hello,
The level of copyvio on this page is becoming tragic. I keep finding chunks of air conditioning "information" being cut and pasted from various locations around the internet. This web page is becoming difficult to follow as an article, and i find myself taking chunks out of it. I would welcome any comments people have as to how to tackle this issue. Perhaps a listing of what th
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