Whatever you call it – a sofa, chesterfield or couch – it is a major investment. While style is a personal preference, it is important to keep in mind these universal criteria when selecting your sofa: Check the Frame Quality sofas should feel solid and heavy. Look at a frame made from kiln-dried hardwood, such as such maple or birch, or alternatively, a high quality hardwood plywood. A sturdy frame means a longer lasting sofa with a stronger foundation. Springs A good sofa should be comprised of sinuous spring construction which is at least 8 gauges in size. Higher price...