What should I set my dehumidifier to in order to achieve optimal humidity levels within my living space? Is there a specific percentage that is universally recommended, or does it vary based on personal preferences and environmental conditions? Considering the impacts of excess moisture on indoor air quality and health, how can one determine the most suitable setting for their dehumidifier? Are there different criteria to consider for various rooms in the house, such as the basement, bathroom, or kitchen? Should the settings fluctuate depending on the season, and if so, what are the ideal humidity ranges for summer versus winter? Additionally, how does temperature interplay with humidity levels, and what role does that play in the effectiveness of my dehumidifier? Could it be beneficial to reference a dehumidifier settings chart for guidance in making this decision, or should one rely on personal observations and comfort levels to establish the appropriate settings? Are there specific indicators that I should monitor as I adjust the settings?