Whenever you use your bathroom or kitchen and run an extractor to remove moisture from the air to prevent damp, the sound of the fan running may be a reminder that you are using electricity, but how much does it really cost to run an extractor fan. There are many factors that affect th...
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Thus, the bedroom and kitchen which are the rooms with the greater expected effect from indoor sources, present a greater spread of their values for all the PM sizes, as displayed by the higher standard deviation. The office showed the lowest spread of values due to both the increased ...