Purpose and objectives

The SN 546382-1:2025 standard is designed to establish comprehensive guidelines for mechanical ventilation systems in buildings. It aims to ensure optimal indoor climate conditions, energy efficiency, and sustainability practices through effective design, implementation, and maintenance strategies. By adhering to these requirements, stakeholders can enhance air quality, control humidity, and improve overall occupant comfort while minimizing energy consumption.

Scope: who must comply

The SN 546382-1:2025 standard applies to a wide range of stakeholders within the construction and building services engineering sectors. This includes:

• Architects and Engineers: Responsible for designing mechanical ventilation systems that meet the outlined requirements.
• Contractors and Builders: Tasked with implementing these systems during the construction phase.
• Building Owners and Facility Managers: Required to maintain and operate ventilation systems in compliance with the standard to ensure ongoing efficiency and comfort.

In the context of Construction Materials & Buildings, compliance with SN 546382-1:2025 is critical for any new construction or major renovation projects focused on enhancing indoor air quality and energy performance.

How SN 546382-1:2025 relates to other standards

The SN 546382-1:2025 standard is part of a broader framework of building regulations and standards designed to promote safety, efficiency, and comfort. Notable related standards include:

• SIA 382/1:2014: This standard complements SN 546382-1:2025 by providing guidelines for energy-efficient heating and cooling systems.
• ISO 16813: This international standard addresses indoor environmental quality in buildings, ensuring alignment with global best practices.
• ASHRAE 62.1: This standard focuses on ventilation for acceptable indoor air quality, serving as a reference for compliance in various regions.

Revision history and current status

The SN 546382-1 standard is published by SIA Zurich, with its latest revision released in 2025. The most recent updates include modifications to energy efficiency requirements and enhanced guidelines for airflow balancing and humidity control, reflecting advancements in technology and sustainability practices in building services engineering.