The problem
The UAE runs on cooling. More than 70% of peak electricity demand is consumed by air conditioning and refrigeration, and the installed base of chiller plant exceeds four million tons. Yet most chillers operate 15–25% below their rated coefficient of performance because conventional sensors cannot resolve the variables that actually drive efficiency: refrigerant superheat, oil–refrigerant ratio, condenser approach temperature, and the dozens of secondary signals that determine whether a compressor is delivering its design-point work.
The cost of this gap is not theoretical. For a 500-ton chiller running 4,500 hours a year in UAE summer conditions, every 1% of COP improvement is approximately AED 28,000 per year. A typical commercial portfolio leaks 18–26% of that opportunity every cooling season.
The solution
QHS is a sensing and control overlay that closes the gap. It deploys QC's proprietary high-resolution sensor stack across six measurement points on the chiller and its auxiliaries, processes the signals through C-Net distributed control logic, and issues second-by-second setpoint refinements to the existing chiller controller. The chiller itself is unchanged. The BMS is unchanged. What changes is the precision of the information the controller acts on — and the outcome is a measurable, sustained lift in COP.
What QHS delivers
QHS is engineered as six independent uplift modules. Each module addresses a specific loss mechanism, and each can be deployed standalone or as part of the full platform.
Module 1
Header and Q-TXV
Stabilises refrigerant superheat at the evaporator outlet, recovering compressor work conventionally lost to wet-suction or starved-evaporator operation.
Module 2
Condenser Water
Optimises heat rejection by tracking approach temperature and tower performance in real time, reducing lift across the compressor.
Module 3
Chilled Water
Maintains delta-T at design across variable load, eliminating the low-delta-T syndrome that degrades both chiller efficiency and distribution pumping.
Module 4
VSD and Tower Fan
Coordinates variable-speed drives across the cooling tower bank, capturing the cube-law fan energy savings that fixed-speed and uncoordinated VFD operation leave on the table.
Module 5
MV Entropic VSD
Applies the same principle to medium-voltage compressor drives, recovering work at the largest single energy node in the plant.
Module 6
Oil and Refrigerant Fingerprint
Continuously characterises the working fluid mixture and flags degradation, contamination, or charge drift before they impact COP — turning a periodic maintenance check into a continuous diagnostic.
Together the six modules deliver an 18–26% COP improvement on commercial centrifugal chillers, verified component-by-component and additive within the bounds of system physics.
How it integrates
QHS is designed for retrofit. The sensor stack mounts on existing chiller pipework, transmitter housings, and panel positions without breaking refrigerant containment or modifying OEM controls. C-Net communicates with the chiller controller and the building management system over standard BACnet/IP and Modbus TCP, and is qualified against the major platforms in operation across the region — Trane Symbio, Carrier i-Vu, Johnson Controls Metasys, Siemens Desigo, and Honeywell EBI.
A typical 500-ton chiller is fully instrumented and commissioned in three to five working days. Larger plants and district cooling installations are deployed in phased blocks to allow continuous operation throughout the upgrade.
Where QHS operates
QHS is engineered for the UAE operating envelope: ambient design conditions to 50°C, IP-rated for sand and dust ingress, and validated across the refrigerant base in active commercial use — R-134a, R-1234ze, R-513A, R-1233zd, and R-32. The platform is refrigerant-agnostic by design, protecting the investment through the Kigali Amendment transition currently underway across the region.
District cooling
Utilities and Owners' Associations, where small percentage gains compound across hundreds of thousands of installed tons.
Commercial real estate
Portfolio operators where the chiller is the single largest line item on the operating budget.
Hospitality
24-hour duty cycle assets where guest comfort and energy cost must be optimised simultaneously.
Healthcare and aviation
Reliability-critical facilities where conventional optimisation tools cannot operate without service interruption.
Industrial and cold chain
Cooling installations where refrigeration efficiency translates directly into product margin.
The commercial case
For a representative 500-ton chiller in a UAE commercial building, QHS delivers approximately 380,000 kWh of annual electricity savings, equivalent to roughly AED 175,000 in operating cost reduction at current tariff. Simple payback on the full platform is typically under 30 months. Payback on individual modules — particularly the Oil and Refrigerant Fingerprint module and the Condenser Water module — is often inside 18 months.
For a district cooling operator running 100,000 tons of plant, the same percentage uplift translates into an eight-figure annual saving at portfolio level and a measurable contribution to Scope 2 emissions reporting.
Why QHS, why now
The UAE has set explicit decarbonisation and demand-side management targets through DEWA's 2030 strategy, the Dubai Clean Energy Strategy 2050, and the federal Net Zero 2050 commitment. Cooling is the single largest controllable load in the country. The economic and regulatory environment is aligned, the chiller fleet is in place, and the sensing technology that makes deep efficiency gains possible has reached commercial deployment readiness.
QHS is in active deployment readiness with pilot programmes available to qualifying district cooling utilities, hospitality groups, and commercial property owners. Pilot terms include independent third-party verification of energy savings, a defined pilot duration of twelve months, and a commercial pathway from pilot to portfolio deployment.
About Quantum Control Projects
Quantum Control Projects is a deep-tech company headquartered at the Dubai International Financial Centre and manufacturing in the UAE. The company is led by founders with more than two decades of senior engineering experience in commercial HVAC, refrigeration, and industrial controls. QHS is the company's flagship commercial product. Patent protection for the underlying sensing and control architecture is filed and progressing through PCT national phase entry.
Performance figures cited reflect verified component-by-component uplift on commercial centrifugal chillers operating under UAE design conditions, measured against baseline operation prior to QHS deployment. Pricing references reflect at-scale recommended retail pricing assuming in-house manufacturing. Pilot deployments are subject to site survey, qualification, and commercial agreement.
More in the works
QHS is the first product we have brought to commercial deployment readiness. Other industrial verticals are in active development inside the company. We will talk about each one when it ships — on the same standard QHS was held to: engineered against real plant, validated component-by-component, and ready to deploy at scale.
If you want to know what is coming next, the conversation starts in the same place every conversation here does: contact us.