THIS MALAYSIAN STANDARD WAS DEVELOPED BY SEVERAL WORKING GROUPS UNDER THE SUPERVISION OF TECHNICAL COMMITTEE ON ENERGY EFFICIENCY IN BUILDINGS (PASSIVE), UNDER THE AUTHORITY OF THE INDUSTRY STANDARDS COMMITTEE ON BUILDING, CONSTRUCTION AND CIVIL ENGINEERING. MAJOR MODIFICATIONS OF THIS REVISION ARE AS FOLLOWS: A) IMPROVEMENT TO DESCRIPTION ON PASSIVE DESIGN STRATEGIES ESPECIALLY DAYLIGHTING, FACADE DESIGN AND RENEWABLE ENERGY; B) NEW FIGURES FOR HORIZONTAL AND VERTICAL PROJECTION OF SHADING COEFFICIENTS; C) REPLACEMENT OF FIGURE FOR EGG CRATE SHADING COEFFICIENT WITH TABLES; D) ACMV OUTDOOR DESIGN WET BULB TEMPERATURE IS REVISED; AND E) INTRODUCTION OF BUILDING ENERGY INTENSITY (BEI) BENCHMARK IN CLAUSE 10. THIS MALAYSIAN STANDARD CANCELS AND REPLACES MS 1525:2014, CODE OF PRACTICE ON ENERGY EFFICIENCY AND USE OF RENEWABLE ENERGY FOR NON-RESIDENTIAL BUILDINGS (SECOND REVISION).