Talk:Solar air conditioning

Sun Lizard AD?
The plug for the sun lizard reads like an add... this is not written like a proper encyclopedia, and should be edited. —Preceding unsigned comment added by 70.244.180.243 (talk) 05:55, 23 May 2009 (UTC)

After a bit of research the claim that this (or other similar systems) provide any conditioning (cooling or heating) is not true as they simply move air from one part of a dwelling to another with the actual conditioning being done by another unit. As such I've deleted the entry as it has as much relevance to the topic as a 1920's osolating fan.... —Preceding unsigned comment added by 70.247.114.212 (talk) 21:48, 19 June 2010 (UTC)

Non SI units should be really be removed. —Preceding unsigned comment added by 165.228.6.188 (talk) 15:01, 30 July 2008 (UTC)

This page has US bias, and should be made more relevant to people outside the US. —Preceding unsigned comment added by 88.97.16.53 (talk) 19:24, 29 September 2008 (UTC)

How not to do passive cooling.
The Sandra Day O'Connor building in Phoenix, AZ is a large example of how to fail miserably at passive "cooling". http://www.architectmagazine.com/energy-efficiency/phoenix-courthouse-dubbed-the-solar-oven.aspx Such brilliance to build a giant greenhouse in one of the USA's hottest cities, then try to keep it livable for humans to work in. Bizzybody (talk) 07:56, 18 April 2014 (UTC)

Solar Thermal Compression Technology
Can we just remove this section? The description makes no sense whatsoever.108.160.242.242 (talk) 17:59, 7 July 2014 (UTC)


 * seriously. some biased, completely incomprehensible proprietary stuff. color me confused. ELLIOTTCABLE (talk) 17:02, 20 October 2014 (UTC)

PV air conditioning
The section on PV really rambles, and quotes all kinds of numbers totally out of context, such as a home requiring a 7KW PV system (what size home, what climate, etc), along with a totally misplaced political jibe at the end (whether or not it is true, and it may well be). Instead this section should detail constraints, benefits and efficiencies of PV solar, ie PV cells are around 15% efficient, standard domestic aircon units have COPs of around 3.0 (ie they consume 1KW to produce 3KW of heating, ie 2KW worth of cooling), and therefore the overall COP(solar) of PV aircon is around 0.15 * 3.0 or 0.45. A useful calculation would also be the COP(economic), ie the cooling capacity per dollar of capital cost of an installation. A particularly handy diagram can be found on this page: http://www.machine-history.com/Solar%20Powered%20Air%20Conditioning along with a rather better summary of the topic than is currently here. —Preceding unsigned comment added by 178.18.18.188 (talk) 09:03, 19 April 2011 (UTC)
 * Five years later this section still is entirely disjointed and confusing. A knowledgeable person is required to re-conceptualize and rewrite the entire section so that it is concise and makes useful sense to a larger audience.--75.164.155.194 (talk) 23:54, 24 August 2016 (UTC)

Questionable reasoning:

 * "A desiccant like calcium chloride can be mixed with water to create an attractive recirculating waterfall, that dehumidifies a room using solar thermal energy to regenerate the liquid, and a PV-powered low-rate water pump.[7]"

As a studied chemist, I would say that calcium chloride (a common laboratory desiccant) does not absorp any further water when it reaches that state of being a pumpable slurry. The cited source has become unavailable for checking. Please remove this sentence. 77.11.49.111 (talk) 13:59, 10 December 2016 (UTC)


 * I updated the ref URL. I agree it sounds bogus, but there it is. Dicklyon (talk) 17:13, 20 December 2016 (UTC)

Suggestion
I have not edited an article before but this section is drawn out and does not need all this random information and speculative figures about costs and efficiencies.

I would suggest it was replaced with something simple like:


 * Solar Air Conditioning can be provided, indirectly, by using conventional photovoltaic systems to provide all of the required electrical power for any type of cooling system which uses electricity as its source of power.
 * The overall efficiency of the system as a whole is calculated as a product of the conversion efficiency of the photovoltaic system, and the system efficiency of the electrically driven cooling system and therefore will depend greatly on the technologies utilised.
 * The feasibility, cost effectiveness and any return on investment for this type of system is therefore greatly affected by the technologies selected, but may also be affected by other factors, such as available subsidies or grants.


 * For further information on the direct conversion of solar energy to electricity, see Photovoltaics.


 * For further information of the conversion of electricity to cooling, see Air Conditioning.'''

What does anyone think? 164.39.35.146 (talk) 16:41, 20 December 2016 (UTC)

External links modified (January 2018)
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