Customers are free to have an appointment to one of the Furnasman’s consultants. Interested buyers will be given briefing about the entire products of Furnasman including One Hour® Guardian Air Scrubber, One Hour® OXY254 UV Light, One Hour® Air Purification System, financing, extended warranties, and maintenance plans. “Total comfort guarantee is included on every Air Purification System,” Furnasman said. “We guarantee that the system we have installed in your home will heat or cool up to five years,” Furnasman added. Finally, Furnasman offers free of charge on modification, repairs, or replacement if system temperature selection is not achieved.