Accelerated environmental alternative to central air-conditioning: the cost to i
<BR> Recently, the home
Air conditioning
Areas of environmental protection
Refrigerants
Substitution problem, the industry has generated discussion. An argument which particular concern: in China
Central air conditioning
Field of environmental protection has been progressively introduced an alternative refrigerant, which has set an example for the domestic air conditioning. But that situation is that now most of China's central air-conditioning company was active in a green alternative refrigerants, have a lot of last resort "difficulties." Vice Chairman of Chinese Association of Refrigeration, Central air conditioning
Expert
Wu Yuan Wei said: "China need to advance the implementation of the provisions shall be according to China's economic development to be. Under the" Montreal Protocol "requirement, China 2040 years before a total ban on R22's use of the current domestic economic level can not advance the implementation of that provision. "
<BR> Costs by more than 20%
<BR> "Environmentally friendly refrigerant alternatives will make the cost of central air conditioning products to improve in all aspects." America's central air-conditioning market were to accept the Minister of Wang Wei "
China Electronics
Reported that "an interview with calculations that account:" First of all, the replacement of equipment needed to use than before, when the refrigerant R22 increase of 15% -20% of the cost; second, such as R410A refrigerant itself, the price of 3 times more expensive than the R22 about; Third, the transformation of the increased cost of pipeline 1 times. "
<BR> So simple told, central air conditioning refrigerant environmentally friendly alternative to do at least 20% of the cost, which is a common household air conditioning increases only cost about 200 yuan, far cry, because the most simple set of central million more than the price of air conditioning is also 20% of the cost to reach 2,000 yuan. Wang Wei were also
Table
Said that this year
Copper
Substantial increase in the pressure timber, the environmental costs generated by alternative refrigerant is water up
Ship
Gao.
<BR> Wu Yuan Wei in the "China Electronics News" has repeatedly emphasized during an interview: "alternative refrigerants, in particular, is to replace R22 as R410A, would mean that all technical aspects have to do a comprehensive upgrade to R410A, for example, pressure on the need to address the problem, which involves
Compressor
Replacement, use of copper tube, copper tube to increase the thickness of at least 1 times. "Although domestic air conditioning products technology upgrade needs to be done, but far less complicated.
<BR> It is understood that R410A is in line with European standards as a refrigerant products, Europe, the transition has been abandoned R407C refrigerant. Japan also started mostly use R410A refrigerant.
<BR> Under pressure a positive alternative
<BR> But the enormous cost of replacement show contrast, China is gradually making central air-conditioning manufacturers of alternative refrigerants.
Haier
Responsible official of the central air conditioning in the "China Electronics News" interview with this reporter said: "Central air conditioning refrigerant in the field of environmental protection alternative than in the field of home air conditioning should be positive." According to reports, the current market environment of China central air conditioning refrigerant alternative has reached more than 10%.
<BR> His view, mainly with central air conditioning in the field of special sales targets related to the use of central air conditioning are usually large buildings, and in some of these buildings are landmark buildings, such as
Olympics
Venues
Image on behalf of the state to use environmentally friendly refrigerants central air conditioning, building on behalf of the government systems to use environmentally friendly image of the central air conditioning refrigerant.
<BR> Both the United States, Wang Wei, told this reporter, for the use of environmentally friendly refrigerants, many construction projects bidding in the book, central air conditioning had to be a clear requirement?? Products must meet the requirements are eligible to bid. As is common household air conditioning
Consumption
To use, the application of environmental protection of air-conditioning refrigerant is one of the options, not to be taken into account.
<BR> In addition, the central air conditioning compressor as the core technology in the kinds of levels much higher than domestic air-conditioning, thus leading to the central air conditioning products sometimes have to use environmentally friendly refrigerants. Wu Yuan Wei explained: "As China Air Conditioner higher yield, and therefore the production of compressors already quite mature, and can produce their own sales; central air conditioning less, Chinese companies rarely put into the compressor, so there is no home air conditioning compressor mature, a higher degree of subjection. and central air conditioning is to use environmentally friendly refrigerants, mainly to see what refrigerant compressor requires. "
<BR> According to its introduction, according to the refrigerant used in the classification of the current mainstream compressors have 4?? R22, R134a, R123, R410A. "If the foreign compressor manufacturers all use R410A refrigerant, or any other type of refrigerant compressor, then China would have to follow the central air-conditioning manufacturers to change." Wu Yuan Wei true feelings.
<BR> "Manufacturers do not worry"
<BR> Wu Yuan Wei believes that in addition to Europe, Japan and other countries have specific environmental requirements for export must be completely environmentally friendly alternative refrigerants, the markets in China and other developing countries, central air-conditioning manufacturers do not worry refrigerants alternative. Because under the "Montreal Protocol" requirement, China and other developing countries until 2040 a total ban on use of Freon refrigerant (such as air conditioning inside the R22, etc.).
<BR> Wu Yuan Wei stressed that this is consistent with the needs of China's economic development, "taking into account the enormous cost of replacing, our current economic level of less than implementation stage, some construction projects or central air conditioning business should not be on the green refrigerant Xiaqi Hong, without worry. "
<BR> It is understood that many experts in the industry for "green refrigerant" The concept has generated a lot of questions, one point is: after the green alternative refrigerant is environmentally friendly, to be replaced is not green?
<BR> Some experts think, R22 although there are damaging the ozone layer, but it will not cause the greenhouse effect, is the world should now Wenshixiaoying concern; R134a, while not destroy the ozone layer, the greenhouse effect caused by very high; R410A does not destroy the ozone layer, greenhouse effect, but also to a certain extent, this patented invention R410A?? United States
DuPont
Also outspoken, saying that seeking a solution.
Although as Wu Yuan Wei <BR> said, "manufacturers need not worry", but the pressure of the international market is being hit, one in Europe, Japan and other national standards strictly limited, and second, the competitive pressure from abroad, especially in the compressor business step pressed further, but this is the most important, of course, the pressure to protect the Earth. In this case, the domestic central air conditioning manufacturers have actively pursued alternative refrigerants.
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