QUAD International
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Partner with Technical Excellence

Ready to Discuss Your Industrial Scope?

From mechanical erection and plant commissioning to high-yield solar PV installations, our senior engineering leads are ready to mobilize.

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Engineering, construction, and trading company based in Dhaka, delivering dependable mechanical, EPC, commissioning, and sustainable solar energy solutions across Bangladesh.

ASME & API Compliant Documented QA/QC

Core Services

  • Mechanical Construction
  • EPC Services
  • Project Erection & Commissioning
  • Solar Energy – Supply & Installation
  • Industrial AC Service & Supply
  • Material Import & Export
  • Project Management & O&M Support

Pages

  • About Company
  • Services Directory
  • Field Track Record
  • Contact & Location

Headquarters

415 Faydabad Dokkhin Para, Faydabad Madrasha, Dokkhinkhan, Dhaka-1230, Bangladesh
+880 1673 789551+880 1828 080970
quadint.bd@gmail.com

Mohammad Saiful Islam

Co-founder & Project Coordinator

© 2026 QUAD International. Dhaka-1230, Bangladesh. All rights reserved.

Industrial photography under Unsplash Editorial License.

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Service 05HVAC Discipline
Industrial AC Service & Supply

Reliable HVAC cooling solutions for industrial plants, control rooms, and commercial facilities.

Engineered temperature and humidity regulation systems essential for sensitive DCS control rooms, pharmaceutical setups, manufacturing floors, and corporate headquarters.

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Industrial AC Service & Supply
Scope Breakdown
Execution Deliverables

Standard components included in our turnkey scope of work for this discipline.

Supply and installation of VRF/VRV systems, chillers, and package units
Complete AC servicing, chemical coil cleaning, filter decontamination and washing
Pipe insulation, vapor barrier wrapping, valves, fittings and installation materials
Planned preventive maintenance (PPM) contracts and rapid 24/7 breakdown support
Compliance & Quality
Standard Codes & Quality Protocols

Engineering standards followed for design, fabrication, and field inspections.

International Code Compliance

ASME B31.3 (Process Piping), ASME Section IX (Welder Quals), API 650 (Tanks), and NFPA safety standards.

Field Verification & Testing

Non-Destructive Testing (NDT/RT/UT), hydrostatic pressure testing, laser alignment, and certified QA documentation.

Related Core Disciplines

Explore All 7 Services
01Mechanical
Mechanical Construction

Complete mechanical works for refineries, power plants, process facilities, and heavy industrial plants.

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02Turnkey
EPC Services

Engineering, Procurement and Construction delivered under a single point of responsibility.

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03Commissioning
Project Erection & Commissioning

Safe, systematic transition from mechanical completion to an energized, commercial running plant.

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