Mechanical Supplies
HVAC Air Distribution SystemVariable & Constant air volume units
Standards this line is built to
The designations below are cited by the products on this page. A specification is written in these, not in product names, so each one is set out with what it governs. Progress Horizon Trading supplies this line as an authorized distributor across Saudi Arabia.
AMCA 500-D
The laboratory method for testing dampers: air performance and, critically, leakage. Leakage class is what a smoke control or energy calculation depends on.
UL 1995
Safety requirements for heating and cooling equipment as a complete assembly.
ASHRAE 90.1
The energy standard for buildings: fan power limits and efficiency requirements that constrain equipment selection.
NFPA 90A
Installation requirements for air conditioning and ventilating systems, including where fire and smoke dampers are required.