In America, refrigerators are so common that their monotonous humming is always heard in most homes. All in all, their importance is in the same level as their availability. Refrigerators are an indication of the changes that Americans have gone through since the end of the Second World War. The energy consumed by them together with refrigerant sales has increased by a significant margin since the 1950s.
Additionally, due to the Freon circulating in them and the CFCs used to insulate their walls; they contributed significantly to the ozone layer depletion. More than three decades later, fridges represent the success of the technical advances that significantly reduce environmental impacts while they remain invisible to 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.
Despite all these renovations, the new generation of fridges is not much different from their predecessors in terms of convenience or performance. In fact, the fridge transformation has been so complete that electronics makers are turning their attention to other appliances where further gains can be made more easily. Washing machines are top targets, together with electric appliances such as Hi-Fis and televisions which consume more power even when switched off.
In about the last 40 years, the energy utilized by refrigerators has reduced by two-thirds. This energy efficiency however did not occur due to the energy utilization of users. Its only that after the war, conservation of energy was not a priority in designing fridges, as compared to appearance and convenience. However, some energy-efficient manufacturers felt that they have a potential for conserving energy. The only setback was that the free fridge market was not keen in capitalizing on the efficiency gains that technology provided and society needed.
A possible reason for this is most fridges are bought by buyers who do not pay for the costs of running them, as it is incurred landlords and homeowners. A house owner who feels his fridge needs replacement would consider more the size, color and convenience than energy use. Even if they would want to conserve energy, they would want to feel the investment effects in about a year, which is not possible when considering the savings in energy costs it would bring.
The refrigerator chosen is quite important, since it determines the energy amount utilized, much important than how the buyer utilizes it. There is a false myth that leaving the fridge door open consumes energy;the power used is less than 2 percent. Whats more, statistically the cleaning of a fridges back coils has no significant effect on the energy utilized. What people looked for was the best model to purchase, not how to be economical in energy use.
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.
Additionally, due to the Freon circulating in them and the CFCs used to insulate their walls; they contributed significantly to the ozone layer depletion. More than three decades later, fridges represent the success of the technical advances that significantly reduce environmental impacts while they remain invisible to 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.
Despite all these renovations, the new generation of fridges is not much different from their predecessors in terms of convenience or performance. In fact, the fridge transformation has been so complete that electronics makers are turning their attention to other appliances where further gains can be made more easily. Washing machines are top targets, together with electric appliances such as Hi-Fis and televisions which consume more power even when switched off.
In about the last 40 years, the energy utilized by refrigerators has reduced by two-thirds. This energy efficiency however did not occur due to the energy utilization of users. Its only that after the war, conservation of energy was not a priority in designing fridges, as compared to appearance and convenience. However, some energy-efficient manufacturers felt that they have a potential for conserving energy. The only setback was that the free fridge market was not keen in capitalizing on the efficiency gains that technology provided and society needed.
A possible reason for this is most fridges are bought by buyers who do not pay for the costs of running them, as it is incurred landlords and homeowners. A house owner who feels his fridge needs replacement would consider more the size, color and convenience than energy use. Even if they would want to conserve energy, they would want to feel the investment effects in about a year, which is not possible when considering the savings in energy costs it would bring.
The refrigerator chosen is quite important, since it determines the energy amount utilized, much important than how the buyer utilizes it. There is a false myth that leaving the fridge door open consumes energy;the power used is less than 2 percent. Whats more, statistically the cleaning of a fridges back coils has no significant effect on the energy utilized. What people looked for was the best model to purchase, not how to be economical in energy use.
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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