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HVAC Ductwork & Supplies

Tawreed Trading – HVAC Ductwork Built for the Building.

More than ductwork. It’s a smarter, cleaner,
more efficient tomorrow.

03 // The product world

The system starts here.

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04 // Commission archive

Ministry of Interior HQ – Doha

Civic & security infrastructure // 180,000 sqm airflow systems

Ministry of Interior Headquarters, Doha, during MEP installation: exposed galvanized ductwork with TDF flanges and support hangers beneath the coffered concrete slab

Case study dossier // Ref: QA-MOI-23

Full-scope supply and site delivery of high-capacity galvanized steel ductwork, Qatar Civil Defense approved fire-rated dampers, and sound attenuation systems for the Ministry of Interior Headquarters in Doha during its primary construction phase.

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05 // Technical insights

Technical guides for Qatar’s HVAC professionals.

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Featured article // Duct types • QCS 2014

GI Duct vs PI-Duct — Complete Guide for HVAC Projects 2025

An in-depth technical evaluation comparing Galvanized Iron (GI) versus Pre-Insulated (PI) duct systems in Gulf microclimates. Covers thermal conductivity, acoustic dampening, structural rigidity, and full compliance with Qatar Construction Specifications (QCS 2014).

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