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Recently, air energy water heaters have become hot. This kind of water heater that can absorb the free heat in the air to make hot water suddenly became popular all over the country. Most users report that air energy water heaters are very energy efficient. However, there are also a small number of netizens who believe that air-energy water heaters do not save money. What is the truth?
More powerful data than words, let us take a glimpse of the truth today through data. First compare the initial investment in the purchase of water heaters. From a well-known e-commerce platform, we can find that the price of a mid-range electric water heater is about 2,400 yuan. And a mid-end air energy water heater, the price is about 5600. From the initial investment, air-energy water heaters are 3,000 yuan more expensive than electric water heaters.
However, we calculate whether the water heater saves money, and we can't just look at the initial investment. After all, once the water heater equipment is installed, it needs to be used for a long time, so it is necessary to add the later electricity expenses to calculate. To this end, the author contacted the air energy company New Entai. Newtech is known for its technological leadership in the air energy sector and is a technology benchmark for the air energy industry. The author also had the privilege of obtaining a detailed data form from Nuenda.
In this table, the heating efficiency and heating costs of various types of water heaters are clearly indicated. Let me first explain the specific experimental conditions: simulate the actual application of a medium-sized family (four permanent residents). A total of 200L of hot water is required per day, and the hot water temperature is heated from 15 ° C to 55 ° C.
In this environment, the electric water heater consumes 9.79 degrees per day, and the electricity price is calculated at 0.6 yuan/kWh. The total electricity bill is 5.87 yuan.
The air energy water heater consumes 2.19 degrees of electricity per day, and the electricity price is calculated according to 0.6 yuan/degree. The total electricity cost is 1.31 yuan. Just one day, the energy consumption of the two water heaters has shown a significant difference. Every day, the air-energy water heater can consume 7 kWh less than the electric water heater, directly reducing the electricity bill by 4.5 yuan. If the cycle is one year, the air-energy water heater can reduce the cost of the electric water heater by about 1,600 yuan.
Of course, the above data is based on experimental considerations, so there will be some idealizations more or less. In reality, air-energy water heaters are affected by temperature and cannot maintain a heating efficiency of 425% throughout the year, but it is not a problem to maintain more than 300% of heating efficiency for a long time. Therefore, we can give a "discount" to 1,600 yuan, and reduce it to 1,000 yuan. That is to say, although the price of air-energy water heaters is 3,000 yuan higher than that of electric water heaters, the difference of 3,000 yuan actually takes only three years to make up for it on the electricity bill.
At present, the common electric water heater has a service life of about 6 to 8 years, and most air energy water heaters can last for 10 to 15 years. In view of the useful life of the two types of water heaters, the three-year period is actually very short. If you install an electric water heater at home, you will have to pay more than 1,000 yuan of electricity every year for 8 years. If you install an air-energy water heater, you will only need to pay less than 500 yuan per year after you return to the company in the third year.
Through the detailed analysis of the author, I believe that everyone has a few hearts. Just choose a reliable air energy water heater, not only save electricity than electric water heaters, but also save money than electric water heaters.