The operating sound of the outdoor unit of the central air conditioner is comparable to that of the traditional air conditioner, and the excessive noise of some central air conditioners is not only a product problem, but also may be unreasonable in design and installation that does not meet the specifications.

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Double carbon is a two-stage carbon reduction target proposed by China (referred to as the double carbon strategic goal). Carbon dioxide emissions are striving to peak in 2030, and to achieve carbon neutrality by 2060, to achieve this goal

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Recently, the Ministry of Finance issued a "notice on the advance of the 2021 air pollution prevention and control funds budget", the annex clarifies the list of pilot cities and the amount of funds for the 2021 winter clean heating pilot subsidy funds in the northern regions, the total arrangement of 7.34 billion yuan of clean heating pilot subsidy funds in 2021.

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Starting from the second half of 2020, the soaring price of raw material copper is destined to be one of the major hot spots in the industry. As of the end of December 2020, the price of 1# copper reached 58,000 yuan per ton, and the development momentum went straight to 60,000 yuan per ton. On January 8, 2021, the price of 1# copper finally broke through the 60,000 yuan per ton mark, reaching 60,420 yuan/ton, an increase of 990 yuan/ton from the previous day. In addition to copper, the prices of steel, iron, aluminum, and plastics have also maintained a high growth trend, which has once again brought enormous pressure on the production costs of the entire manufacturing industry.

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Each indoor unit has an air supply and a return air outlet, air circulation is more reasonable, the indoor temperature is more uniform, can maintain a constant temperature of ± 0.5 ℃, the human body feels more natural and comfortable, especially the fluorine system central air conditioning, comfort is very high; and the traditional household wall-mounted and cabinet machines, prone to airflow dead ends, indoor temperature difference is obvious, easy to get air conditioning disease.

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In the past two years, with the northern coal change and the southern market consumption upgrade, air source heat pump floor heating and air conditioning two combined supply has emerged. The fundamental reason for the market change is that consumer demand for heating and cooling has been upgraded from a functional demand to a comfort-oriented demand. Driven by the overall consumer upgrade, air source heat pump floor heating and air conditioning technology has been favored by more and more consumers because of its comprehensive advantages in comfort, energy saving and environmental protection, and the market size of the two combined supply systems is growing at a fast pace of more than 200%.

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Air energy heat pump units have the advantages of energy saving, environmental protection, etc., and are now widely used in the field of heating. This kind of air central heating equipment host has a characteristic, that is, the power of the host and circulation pump are very large, and the resulting noise problem can not be ignored.

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In 2020, the dual-generation renovation work in rural areas of Shijiazhuang City will be basically completed, and a total of about 1.305 million households will be completed. In 2021, the focus of work will shift to the safety supervision of the dual-generation project. A few days ago, Shijiazhuang City issued the "2021 Work Plan for Substituting Gas and Electricity for Coal in Rural Areas" to clarify the next work tasks.

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Recently, the cold wave has hit, and the temperature has dropped sharply in many places. Will there be tension in the power supply? How is cleaning and heating going? How to keep people warm in winter?

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Tang Pozi, "suffocating breath", brazier, heated kang, hot water bottle, electric blanket, wall-hung stove, air conditioner... Which of the above heating appliances have you used? In the process of moving towards warmth, the number of heating appliances cannot be counted in one breath.

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Everyone usually uses radiators, and the most concerned issues, in addition to heating effects and heating costs, are most concerned about the safety of radiators. Especially now that some radiator manufacturers are blindly pursuing profits and lax in product quality control, resulting in certain safety hazards in radiators, and even the phenomenon of radiators bursting.

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