Cold exposure is a question for the qualified sprinkler team.

Describe where conditions changed

Record the space and the change: heating problems, an altered enclosure, repeated open-door exposure or new unheated use. Tell the qualified provider when it began and whether the concern is active. Do not declare a system suitable for cold conditions from the words “dry pipe” alone.

Bring records into the assessment

• Known system type and protected areas.
• Available drawings and manufacturer information.
• Past cold-related findings or repairs.
• Building or heating changes.
• Current qualified service contacts.

Avoid improvised remedies

Do not drain or alter sprinkler piping, add chemicals, adjust controls or apply heat to equipment based on online advice. Ask qualified personnel to establish the appropriate assessment and response. Ordinary building heating concerns also need the appropriate building-service team.

Plan before a seasonal change

Ask the provider what review and service programme applies to the actual equipment and environment. Record the responsible people and confirmed tasks. This page does not publish a generic winterization checklist or a temperature setting for every installation.

If a leak or impairment is suspected

Use the property’s authorized qualified-response arrangements promptly. Fire, smoke or immediate danger requires safe evacuation and 9-1-1. Do not wait for a non-emergency enquiry form or assume a water discharge has no fire connection.

References and scope

1. Types of fire sprinkler systems — National Fire Sprinkler Association. Conceptual wet, dry, pre-action and deluge overview. US association guidance does not settle Canadian code requirements.
2. NFPA 25 standard development — National Fire Protection Association. Standard reference. No inspection-frequency table is reproduced; the adopted edition and actual system must be established.

Source links checked 2026-09-30. This is not a professional review, certification or building-specific determination.