These six sections include all major energy-using components of a building project:

Section 5: Envelope – Walls, roof, floor insulation and window thermal performance including fenestration sealing and window performance. 
Section 6: HVAC – Minimum-rated efficiency for zones, pipe insulation, and minimum equipment efficiency.
Section 7: Service Water Heating – Tank insulation and minimum boiler efficiency in regard to both domestic and commercial usage.
Section 8: Power – Relates to additional power-using equipment.
Section 9: Lighting controls, wiring, sensors – Examples are automatic light shutoff controls, wiring, exterior lighting.
Section 10: Other equipment – Electrical motors.