Why are dehumidifiers in the basement if moist air is lighter than dry air?
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If moist air is lighter than dry air, basement dehumidifiers seem to defy basic physics. A contractor’s simple question reveals a complex building science principle in this members-only exclusive.
Manager of HVAC Design Education at ACCA
Ed Janowiak is ACCA's Manager of HVAC Design Education and can be reached at ed.janowiak@acca.org or 703-824-8878.
Latest posts by Ed Janowiak (see all)
- Hey Ed, why does Manual J® use one person per bedroom plus one in the data collection part of the survey? - September 3, 2025
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- Hey Ed, should we try to place the outdoor unit for a HP or CAC in the shade? - August 20, 2025
Posted In: Aside, Technical Tips
