Refrigerators in most American homes are so common that it is impossible to miss their monotonous humming anywhere. Yet, as much as they are popular, they are also quite useful. They are an indication of the changes that Americans underwent in the post world war two era. Refrigerant sales as well as the energy consumed almost quadrupled in the period between the 50s and mid-70s.
In addition, their use has been a factor in the depletion of the ozone layer, as a result of Freon circulating inside them and the CFCs utilized in insulation of their walls. Several decades into the post war era, fridges are a telltale sign of the successful advances in technology that considerably reduce impacts on the environment while the changes fail to be felt by the consumer.
Since 1972, Simple improvements have reduced a typical fridges energy consumption by over 60 percent, with further reductions expected as soon as new standards are effected. These changes have resulted in making about thirty large power plants to be unnecessary. Substitutes for substances that deplete the ozone have been put into production, assisting the United States do away with CFCs use.
The latest generations of refrigerants are not that different from the old ones in terms of performance or convenience, in spite of all these technological advances. In fact, the transformation of fridges has been so successful that appliance manufacturers are focusing their attention on other appliances in which further gains in energy can be achieved. Top targets include washing machines and electronic appliances the likes of TV set and stereos that, even when switched of, still utilize even more power.
In the last four decades or so, the amount of power that fridges utilize has decreased by two-thirds. However, this decrease did not arise as a result of consumer energy conservation. Its just that in the early fridge times, energy conservation was not prioritized when designing them. All in all, some manufactures who has conservation in mind felt otherwise. The only obstacle to their achievements was the free refrigerator market, which was not keen to embrace the efficiency gains provided by technology and needed by the society.
One explanation for this is that many fridges are bought by consumers who will never incur the bills to keep them running, which are left to landlords and home builders. A homeowner wishing to replace his own refrigerator will not consider energy use much as compared to color, size and convenience. Even if they consider energy use, they often demand that this extra investment repay itself in less than a year, which is less than the cost of bringing about the energy savings.
The choice of a refrigerator is quite vital, since it determines the amount of energy it utilizes more than how the owner uses it. It is false that leaving a fridge door closed is a waste of energy, as the energy used is negligible. Additionally, the cleaning of the back coils has no much effect on power saving. In the early days, buyers looked for the best model to buy, not the most energy-efficient.
The advances in fridge technology so far have lead to an increase in refrigerant sales, more efficient motors, and quite mundane thicker insulation. This has improved energy efficiency without the involvement of the average fridge user.
In addition, their use has been a factor in the depletion of the ozone layer, as a result of Freon circulating inside them and the CFCs utilized in insulation of their walls. Several decades into the post war era, fridges are a telltale sign of the successful advances in technology that considerably reduce impacts on the environment while the changes fail to be felt by the consumer.
Since 1972, Simple improvements have reduced a typical fridges energy consumption by over 60 percent, with further reductions expected as soon as new standards are effected. These changes have resulted in making about thirty large power plants to be unnecessary. Substitutes for substances that deplete the ozone have been put into production, assisting the United States do away with CFCs use.
The latest generations of refrigerants are not that different from the old ones in terms of performance or convenience, in spite of all these technological advances. In fact, the transformation of fridges has been so successful that appliance manufacturers are focusing their attention on other appliances in which further gains in energy can be achieved. Top targets include washing machines and electronic appliances the likes of TV set and stereos that, even when switched of, still utilize even more power.
In the last four decades or so, the amount of power that fridges utilize has decreased by two-thirds. However, this decrease did not arise as a result of consumer energy conservation. Its just that in the early fridge times, energy conservation was not prioritized when designing them. All in all, some manufactures who has conservation in mind felt otherwise. The only obstacle to their achievements was the free refrigerator market, which was not keen to embrace the efficiency gains provided by technology and needed by the society.
One explanation for this is that many fridges are bought by consumers who will never incur the bills to keep them running, which are left to landlords and home builders. A homeowner wishing to replace his own refrigerator will not consider energy use much as compared to color, size and convenience. Even if they consider energy use, they often demand that this extra investment repay itself in less than a year, which is less than the cost of bringing about the energy savings.
The choice of a refrigerator is quite vital, since it determines the amount of energy it utilizes more than how the owner uses it. It is false that leaving a fridge door closed is a waste of energy, as the energy used is negligible. Additionally, the cleaning of the back coils has no much effect on power saving. In the early days, buyers looked for the best model to buy, not the most energy-efficient.
The advances in fridge technology so far have lead to an increase in refrigerant sales, more efficient motors, and quite mundane thicker insulation. This has improved energy efficiency without the involvement of the average fridge user.
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