John's Used Appliances offers a huge selection of technician-certified, refurbished major appliances, including refrigerators, ranges, washers and dryers, from all your favorite brands, like Whirlpool, GE, Samsung, and Frigidaire. John's also has a huge inventory of floor model mattresses from brands like Serta, Sealy and Tempurpedic. All appliances come with a 30-day warranty.. Certified used appliances,floor model mattresses,and service on all major appliance brands,no credit-financing