Water and indoor air quality is a top concern for buyers and sellers in real estate transactions. Variables for quality that affect the comfort and health of occupants can play an important role in whether or not a real estate transaction will close. The implications of poor indoor air or water can affect all transactions, including sales, rentals, or leases. This course aims to educate real estate agents on the basics of indoor air and water quality so they can better assist their clients through the transaction process.