The battle for new air-conditioning refrigerants has started, but R32 and R290 are not rivals of life and death

In the past two or three years, because of the irregular operation of the first-line air conditioner installers during the installation and maintenance of new refrigerant products, some air conditioners using the new refrigerant R32 have exploded or even suffered personal injury, and the R32 has been refrigerated. The agent has pushed to the cusp of public opinion. As a result, this will bring the battle between R32 and R290 to the forefront of the market in recent years between different associations, different companies, and different interest groups.

As early as many years ago, the ban on the use of R22 refrigerant was jointly promoted in the world, and r410a refrigerant is destined to be only a temporary transitional substitute. The refrigeration and air-conditioning industry revolves around the next generation of environmental protection. Refrigerants launched a round of exploration and layout: R290, which Chinese companies have patented technology, and R32, which patents are in the hands of Japanese companies; on the surface, this is a battle for interests and camps; in fact, it is a battle for market share and right to speak. The protagonists are R32 and R290, but the chain of interests involved is extensive and lengthy.

Around the two new refrigerants of R32 and R290, two groups emerged: One is the R32 refrigerant promoted by the China Refrigeration and Air Conditioning Industry Association, together with related companies such as Gree and Daikin. At present, it mainly covers household and commercial air conditioners; behind it is Japan, Southeast Asia and other countries, which have begun to adopt it on a large scale; the other is the R290 refrigerant promoted by the China Household Electrical The European Union and other countries are pushing hard, and there are related supporting promotion fund rewards.

From a global perspective, whether R290 is currently in China or in overseas countries, the scope of application, including the number of companies and the number of products, is not as good as R32. The data displayed by Shanghai Hitachi Electric at an industry conference showed that R32 has become a globally recognized new environmentally friendly refrigerant. North America mainly uses R410A, but there are R32/HFO mixed refrigerants; India has banned R22 and is dominated by companies led by Daikin. R32; Australia is also R32 inverter-based, while the European Union uses R32 for split air conditioners and R290 for mobile air conditioners; Southeast Asia and other countries are R32 led by Japanese companies, while Japan is 100% R32, and China is R32 and R290 Each has its own implications. Although both R290 and R32 are low flammable refrigerants, they are both restricted by their usage. R290 is commonly known as propane, and the amount of injection in the air-conditioning compressor is greatly restricted. At this stage, including the European Union and China, it is also mostly used in mobile air-conditioning, as well as household 1-hp, 1.5-hp and other small-hp products. The use of 3 horses or even large central air-conditioning units will limit the scope of market application.

The data released by Industry Online shows that in the cold year of 2019, the sales volume of R32 air conditioners in the Chinese market has exceeded 30% and is continuing to expand. Shanghai Hitachi Electric predicts that shipments of air conditioners using R290 refrigerant in the 2020 cold year may exceed 1 million units. This means that in a completely open market competition, whether air-conditioning companies should choose R290 or R32, more or less, must conduct comprehensive calculations from the perspective of product technology applications and user experience. However, for R290 and R32, there is a hidden threshold for corporate patents. At present, the related patents of R32 refrigerant are in the hands of foreign companies such as Daikin, and they are accelerating the pace of R32 application in Japan, Southeast Asia and other countries and regions; while R290 refrigerant is currently not restricted by foreign-funded enterprise patents, and most domestic companies Chemical plants have corresponding patented formula products.

At the same time, in the application of new refrigerants to household durable consumer products such as household air conditioners and commercial air conditioners, both R290 and R32 are facing the revision and improvement of relevant national standards. The air-conditioning filling volume, packaging, transportation, installation, storage and other links need to promote the formulation and improvement of corresponding standards and specifications as soon as possible.

It can be said that the current replacement of new cold media, Chinese air-conditioning companies have just started a new round of steps, whether they should choose R290 or R32, must be legal Promote in compliance with regulations to truly ensure that the interests of the industry are not harmed and impacted. At the same time, as the national energy-saving and emission-reduction task targets are temporary, it is necessary to accelerate the elimination of R22 and accelerate the process of replacing R410A!

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