Cart Remove item Thumbnail image Product Price Quantity Subtotal VSP 5000 Series Installation HQT-4160 Certification Exam $124.00 VSP 5000 Series Installation HQT-4160 Certification Exam quantity $124.00 (SYS-5102.16) The Design, Operation, and Maintenance of Building Systems, Part II Certification Exam $124.00 (SYS-5102.16) The Design, Operation, and Maintenance of Building Systems, Part II Certification Exam quantity $124.00 Coupon: Apply coupon Update cart Cart totals Subtotal $248.00 Total $248.00 Proceed to checkout