PRNewswire -- Country Inns & Suites By Carlson(SM) today announced plans to install a new generation of fitness equipment from Nautilus, Inc. and Life Fitness to upgrade the fitness experience for guests at its more than 450 properties in the Americas. New standards ensure that within four years, fitness centers at Country Inns & Suites hotels will feature Nautilus(R) or Life Fitness treadmills, elliptical cross-trainer machines and multi-gym units. Installation of the new equipment is already underway at many properties around the country.