HVAC & District Cooling
Central HVAC District Cooling Plant — Doha
Central chilled-water plant for a mixed-use development — 3,200 TR, high-efficiency centrifugal chillers, TES-ready.
Location
Doha, Qatar
Capacity
3,200 TR district cooling
Temperature
5.5 °C / 13 °C chilled water
Budget
USD $18M–$22M
Timeline
20 months
Project overview
A Qatari developer needed a central plant to serve retail, office and hospitality towers under a single ESCO-style operating model. ColdMatch Group sourced chillers, cooling towers, pumps, BMS and thermal energy storage provisioning through a competitive tender.
Challenge
- Peak cooling demand coincided with peak electrical tariff windows.
- Multiple end-users required transparent metering and SLA-based billing.
- Plant footprint constrained by architectural masterplan.
Solution
- High-efficiency water-cooled centrifugal chillers with variable-speed drives.
- Space and interfaces provisioned for future TES tank to shift 20% of load off-peak.
- BTU metering per tenant with BMS-integrated billing feed.
Result
- IPLV of 0.42 kW/TR — 18% better than local benchmark.
- TES-ready design provides estimated 12–15% OPEX reduction when phase 2 is added.
- Zero occupant complaints in first cooling season.
Scope of works
- Water-cooled centrifugal chillers, N+1
- Cooling towers, primary and secondary pumps
- BMS with analytics and BTU metering
- TES provisioning (phase 2)
- O&M plan and training
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