Get Upto $60 Discount On RCA Dehumidifier At Bestbuy.com. Keep the home comfortable with this effective dehumidifier. The digital interface and electronic settings make it simple to use. It has up to 4,500 sq. ft. coverage allows one to dehumidify a large area. It has up to 70 pint dehumidifying capacity which reduces moisture in the air to maintain a comfortable environment. The digital display and electronic controls offer easy operation. It has 2.1 gallon water tank for simple maintenance.