Christine Liaukus, RA, CPHC is the Housing and Community Development Program Manager NJIT’s Center for Building Knowledge. presents this brief course, which is designed for home energy raters and code officials. This course reviews the proper calculation practices for heating and cooling loads using Manual J, including information on accurate take-offs of building components and the appropriate variable selections for infiltration, lighting, appliances, and duct loads. Specific guidance on the use of Manual S for system selection is also reviewed.