What are the advantages and disadvantages of Daikin, Gree, Midea and Air Conditioning?

Advantages: good central air conditioning, good refrigeration effect, affordable price and after-sales guarantee.

Disadvantages: the quality of household air conditioner is average and its performance is unstable.

Step 2 agree

Advantages: affordable, stable performance, low noise and after-sales guarantee.

Disadvantages: serious power consumption.

3. Beauty

Advantages: low power consumption, stable performance, low noise and after-sales guarantee.

Disadvantages: the price is slightly more expensive.

Extended data:

Daikin air conditioning product classification:

1, 3MX/4MX products-super multi-connection column

Main features: advanced mute technology, the running sound of indoor unit is only 27 decibels (CDXS25 refrigeration mute operation).

2、PMX/LP

Main features: DC frequency conversion technology, using Daikin swing compressor. Fixed combination, high cost performance. Multi-wire combined with DC frequency conversion split air duct machine The system is more secure. Double outdoor units are small in size and easy to place.

3、LMX

Main features: DC frequency conversion technology, using Daikin scroll compressor. Fixed combination, high cost performance. With super-long refrigerant pipeline, the installation is more flexible: the maximum pipeline length is 50m, the maximum length after the first branch pipe is 40m, and the total pipeline length is 150m. This series of products have reached the energy efficiency grade IPLV 1 of multi-connected air conditioning (heat pump) units.

4. Household VRV

Main features: a variety of indoor units can be selected, corresponding to various room types. Indoor models and capacities are rich and varied. It can maintain a high COP value during heating and cooling operation, saving energy and electricity. 9.0KW large-capacity indoor unit can make a large living room meet the heating/cooling needs with only one air conditioner.

The extra-long refrigerant pipeline makes the installation more flexible. The maximum length of the pipeline is 120m, the maximum length after the first branch is 40m, and the main pipeline is 300m. This series of products have reached the energy efficiency grade IPLV 1 of multi-connected air conditioning (heat pump) units. Household VRV system is certified as a multi-line energy-saving product.

5、N

Main features: tailor-made for rooms over 90 \u, regardless of apartments, duplex, villas, N series can meet the air conditioning needs.

6.VRVIII Daikin air conditioning VRV III system

Main features: sufficient capacity, indoor unit * * * has 8 series and 56 capacities. Adopting DC frequency conversion technology, it is energy-saving and efficient, and has higher comfort. The stability of the unit is high, and the outdoor unit and compressor have double backup operation functions. Equipped with a highly intelligent management system, it can cooperate with the property management of the community. The system has the advantages of simple pipe layout, convenient installation and simple maintenance. All adopt R4 10 new refrigerant.

Gree air conditioning:

1, advanced production technology

2.GPd DC frequency conversion technology: GPd DC frequency conversion technology has made new achievements in the market. So far, the application of GPd DC frequency conversion technology has achieved the first-class energy efficiency ratio of national energy saving.

3. New high-efficiency centrifuges

New-type high-efficiency centrifuge: It fills the gap in the international refrigeration industry and has been selected as a major project of the 11th Five-Year Plan of the Ministry of Science and Technology. The energy efficiency ratio (COP) of Gree's brand-new high-efficiency centrifuge set is as high as 9. 18, which is lower than the national first-class energy efficiency level by more than 40%. When this product is used in large public buildings, it can reduce energy consumption by 30% ~ 50%.

4. Multi-connected central air conditioning

EVI ultra-low temperature digital multi-connected central air conditioner was rated as "international leading" product by authoritative organizations such as Ministry of Construction, China Refrigeration Society and China Refrigeration Industry Society.

5. "Smart cream" technology

Gree's "Smart Cream" technology: the Excellence Award of the 10th China Patent Award, the only technology in the industry that won the Excellence Award of the China Patent Award. Gree Electric's "smart frost" technology has solved many world-class problems, greatly improved the comfort of air conditioning, and improved the heating effect by 30% compared with traditional air conditioning.

Midea air conditioner:

(1) Strong alliance: On April 20 1 1, Midea-Toshiba Carrier frequency conversion technology joint research and development center was established with Toshiba Carrier, and an industrial chain of frequency conversion air conditioning technology with completely independent intellectual property rights was established, including frequency conversion control chips, frequency conversion control algorithms, DC frequency conversion compressors and DC brushless motors.

To the manufacturing process and quality management of inverter air conditioners, a unique set of technological innovation wisdom has been formed, and the organization's technological innovation ability has been improved through joint development.

(2) Independent innovation: Over the past 30 years, through continuous technological innovation, we have gained recognition from many professions. As of June 30th, 20 12, patents 183 1 have been applied, including 3 invention patents, 6 utility model patents19 patents and 902 design patents.

"Intelligent energy-saving control technology of solar hybrid air conditioner" 20 1 1 was included in the national torch plan project, and "dual-mode dual-rotor DC inverter air conditioner" 20 1 1 was included in the national key new product plan project.

Midea Air Conditioning has successively established Midea's R&D Joint Laboratory of Infrared Frequency Conversion Chip, Midea's Sanyo Frequency Conversion Semiconductor, Midea's Infrared Quality Monitoring Laboratory and Midea's Emerson Laboratory through the strategic project of "Gathering Global Wisdom".

Reference link: Baidu Encyclopedia-Daikin Air Conditioning

Baidu encyclopedia-gree air-condition

Baidu encyclopedia-midea air conditioner