We are currently working on a hotel project, which consists from several buildings the sum of them is about 4,000 square meters. Each individual bulding is not greater than 2,300 square meters.  

Our inquiry is if the Baseline HVAC system must be accordance System 4 (From Table G3.1.1A... Nonresidential and 3 Floors or Less and <2300 m^2  has been selected) or System 6 (From Table G3.1.1A... Nonresidential and 4 or 5 Floors and <2300 m^2 or 5 Floors or less and 2,300 m^2 to 14,000 m^2)