Amazon has the Enther True HEPA Air Purifier (AP1C) for $23 with free shipping. List price: $100. Features 3 stage filtration system, air quality monitor, 3 fan speeds, timer and night light, aroma box.
Has good Amazon Reviews.
Walmart has the Chimney Free Infrared Quartz Electric Space Heater (several colors) for $50 with free shipping. Features 5,200 BTUs, heats up to 1,000-square foot room, measures 17.5" x 10.1" x 23".
Amazon has the 2-L Seachem Prime Aquarium Fresh and Saltwater Conditioner for $40 with free shipping. Has excellent Amazon Reviews.