Why is it not recommended to use air conditioning for heating? These 4 shortcomings are really unbearable
Foreword
Now, air conditioning, like TVs and washing machines, has entered thousands of households, even in rural areas.
But have you noticed that when it is hot in summer, everyone likes to stay in the air-conditioned house, and now in winter, no one turns on the air conditioner for heating, why is everyone generally not used to using air conditioning for heating?
4 major disadvantages
Withered vines and old trees, crows, air-conditioned wifi watermelons, the sun sets, I will lie down there ......There's nothing more pleasant about summer than this.
The world's first real air conditioner was invented by Wells Carrier in 1902, and its main function was refrigeration.
Later, with the change of people's needs, air conditioners that can both cool and heat have been slowly developed, but air conditioners, which are very good in refrigeration, have unavoidable drawbacks in heating.
In addition to high power consumption, what other disadvantages do you know of air conditioning heating?
One is high power consumption, when we boil water, we will find that the hot water vapor is floating upward, this is because the density of hot air is low, and the density of cold air is relatively high, so the low-density hot air will fly up, and the cold air will sink instead.
In summer, the air conditioner cools quickly and saves electricity, because it blows cold air, the heat in the house rises, the cold air sinks, and we are in the lower half of the whole space in the house, so it feels cool quickly.
But in winter, the air conditioner blows hot air, and the hot air blows out and floats on the top, and it takes a long time to turn on before we can slowly feel warm.
Some air conditioners with poor heating effect blow for several hours, but they are still hot at the top and cold at the bottom, the head is hot and dizzy, and the hands and feet are still cold.
The heating efficiency of the air conditioner is low, the power consumption is generally 2-3 times that of refrigeration, if the outdoor temperature is below zero, the air conditioner wants to operate normally, and the electric auxiliary heating and defrosting function must be turned on.
The function of photoelectric auxiliary heating consumes an extra kilowatt-hour of electricity, and the air conditioner plus electric auxiliary heating consumes about 3 kilowatt-hours of electricity per hour.
If it is more than ten degrees below zero in the northeast, the electric auxiliary heating cannot be stopped, and the air conditioner blows cold air when it is stopped.
In addition, we now implement the electricity price system is a ladder charge, the more electricity you use, the more expensive the electricity bill, and many families really can't afford to pay hundreds of dollars for electricity.
Second, the compressor has a large loss, the highest outdoor temperature is more than 30 degrees Celsius in summer, and we only need to cool down to about 26 degrees Celsius indoors, and we will feel very comfortable, and the temperature difference is generally within 10 degrees.
Cooling down by 10 degrees is not very stressful for air conditioners, but heating is the opposite.
In winter, the outdoor temperature is generally below zero, and if you want the indoor temperature to be very comfortable, the air conditioner needs to heat up by more than 20 degrees, which is quite a lot of work.
Not only is the power consumption soaring, but the pressure of the air conditioning compressor is also very large, and it may not be able to meet our needs if it has to be continuously rotated.
Long-term operation may overload the compressor, damage the compressor, increase the chance of compressor failure, and even shorten the service life of the air conditioner.
The third is that the air conditioning heating is too dry, as we said above, the heat blown out of the air conditioner is floating on the top, we are in the house, we will always feel the head warm up and cold, and the mouth will feel dry after a long time.
Staying in a hot, dry environment all day can aggravate the condition of people suffering from respiratory diseases such as coughing, especially in the elderly, and the cough will get worse and worse.
We often see on TV that some wards have to use humidifiers to maintain indoor humidity because the air conditioner is too dry, which is also for the sake of the patient's body.
Finally, the noise is particularly loud, the air conditioner has an internal unit, an external unit, and the external unit is hung in the outdoor area separated by a wall, as long as the air conditioner is turned on, the external machine will buzz, and the noise is particularly loud.
When we sleep at night, a mosquito hums and copies us, tossing and turning, and it is difficult to sleep, not to mention the buzzing noise of the plug-in.
In view of the above shortcomings, many people who have air conditioning at home do not use air conditioning for heating, but use other heating methods.
For example, most of the "three eastern provinces" in the extremely cold areas of the north have floor heating, in addition to floor heating, there are many kinds of heating equipment.
How many of the following heating devices have you seen or used? How to ensure the safety of heating?
Safe heating
I often hear people say that in Yiwu, there are only things you can't think of, there are nothing you can't buy, in order to heat up, we invent a lot of different equipment.
In winter, radiators, small suns, heaters, oil tinctures, electric blankets and other heating artifacts have been launched, and the sales volume is rubbing up, and there are even coal stoves and charcoal fires.
If you use electrical appliances, when purchasing, you should pay attention to the 3C certification and inspection certificate of the product, and the certificate is complete.
Try to choose a national brand, buy in a regular store or **, it is best not to be greedy for cheap, in case you buy defective products, it is likely to cause serious consequences such as fire.
Especially the electric blanket, spread on the bed, up and down are flammable, it is best to turn on it in advance before going to bed, and turn it off when you fall asleep, leaving it on overnight may damage the internal electrical components and cause a fire.
Another point to note is that whether it is used or not, the electric blanket should not be folded easily, which may cause damage to the circuit inside and increase the risk of spontaneous combustion.
Other heating equipment, such as electric heaters and small suns, need to be kept away from flammable and explosive materials when in use, such as curtains and sheets, quilt covers**, alcohol and toilet water, etc.
There are also electric hot water bottles that girls and the elderly especially love to use, although the power will automatically turn off after charging, it is best not to charge it for a long time.
The internal gas expansion caused by the charging process should not be pressed to avoid **.
There are also people who like to make tea around the stove, or some elderly people in the countryside like to burn briquette fires, charcoal fires, etc., we must pay attention to open the windows for ventilation to avoid excessive carbon monoxide in the house, causing poisoning.
Winter is the period of high incidence of carbon monoxide poisoning, ranging from dizziness and breathlessness, nausea and vomiting, to coma and possible loss of life.
Life is no small matter, and while heating up, ensuring safety is the top priority.
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