Codes: They can be confusing to keep up with as we manage our busy masonry operations. Many of us have heard that the 2012 Energy Code will bring tremendous change to the industry. However, the changes to the code actually are widespread to the building industry and are met with compliance, with many of the current systems and products we are installing daily. The code does have many changes. For instance, entire heating, ventilation and air conditioning (HVAC) systems will require improvements to the mechanical systems and duct work.