Yet another reference for evaluating ductwork requirements is Handbook D. The calculations generate a detailed, place-by-space Assessment of cooling demands. Ask for a printout of all calculations and assumptions, together with ductwork style and design. Be wary of a contractor who bases estimates merely on household dimension or imprecise policies. https://damienfs6w6.blogsvila.com/31159202/detailed-notes-on-best-air-conditioning-maintenance-companies-in-jeddah