Dehumidifiers in Chandler, AZ homes can help you keep your relative humidity between the ideal levels of 35% and 50%. This is a range that promotes comfortable and healthy indoor air quality while preventing the growth of mold and mildew. Whole-house dehumidifiers remove moisture from a home through your HVAC system. This is a much more efficient option in comparison to portable units that must move from one location to another in order to keep indoor humidity under control and require constant emptying.