How do i contact king koil customer support? If the retail store has closed or you have moved to another location, please contact King Koil customer support: Speak directly with a representative at the King Koil manufacturing Facility in the state where you purchased your mattress.Where can i buy a king koil mattress? King Koil mattresses are still widely available as a product line of Comfort Solutions. Comfort Solutions mattresses are available at Sleepy's, Mattress Discounters, Metro Mattress, Art Van Furniture, Bedmart, City Furniture, and NY Mattress Factory, along with other mattress retailers.What is king koils express warranty service? We offer Express Warranty Service for customers who are unable to gain assistance with their warranty when communicating with their local retailer. If you have customer service questions regarding the King Koil Air Bed sold on Amazon, please call or email to: 877.291.1127 or [email protected] Why choose king koil? And if there’s one thing we believe in… it’s that sleep is time that should be well spent. That’s why the King Koil brand promisesmore than a mattress. We craft a place to think and dream, to relax and recharge — a foundation of support for so many other things in life from a family’s love to personal repose.