In the first place, the arguer fails to take into account the geographical factors in the analysis. While we informed that there are wide geographical differences in the nation of Claria, and that many citizens are experiencing rising costs of electricity, the arguer fails to make clear the exact number of those citizens or their percentage in the national population, as well as the geographical distribution of these citizens. If only a small portion of the whole population are experiencing the rising costs of electricity while most familiars do not have similar experience, then the reason might be that the former do not use electricity sparingly. In this case, the rising costs of those families have nothing to do with what kind of electric appliance they use to cool their house. or if only families living in hot areas are spending more money on cooling, then it is unwise to require citizens living in temperate and frigid zones to install both fans and air conditioners, in the absence of all this information, it is impossible for us to install both fans and air conditioners. In the absence of all this information, it is impossible for us to evaluate the recommended policy that is intended to help every household nationwide to reduce their electricity cost.
In the second place , the comparison in this argument is incomplete and selective, the arguer discovers that using fans alone is more cost effective than using air conditions alone, and that using both fans and air conditioners are the least expensive way of cooling. However, the arguer fails to provide any information regarding the actual amount of time for using, respectively, fans alone, air conditioners alone, and both fans and air conditioners in those three groups of surveyed families. It is very likely that these three groups of families are located in three very different climatic regions of Claria, and hence the amount of days of the year during which they need to cool their houses varies significantly. Families living in cooler areas of the nation certainly cool their houses for fewer hours and hence use less electricity than families living in hot areas, no matter what cooling appliance they use. Unless we are certain that the surveyed families ling in the same climatic region, or that they need to cool their houses for the same amount of hours in the same year although they live in different regions, which is very unlikely, we have every reason to doubt the trustworthiness of this comparative study. Furthermore on electricity may be using more electricity for purposes other than cooling. Unless the arguer also takes this factor into consideration, the comparison is unconvincing.
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