AGEC
HVAC · MEP · MAINTENANCE

Service

DX Units & Split Systems

Direct expansion cooling systems — wall-mount splits, ducted splits, cassettes, and concealed units — properly sized and installed for Dubai's cooling demands.

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Indoor air handling unit installation with insulated refrigerant piping at Dubai commercial HVAC project by AGEC

What is DX Units & Split Systems?

Direct Expansion (DX) systems remain the most common cooling solution for residential and small commercial applications in Dubai. The category covers wall-mount splits, ceiling cassettes, ducted splits, floor-standing units, and concealed ceiling units — each suited to different space configurations and aesthetic requirements.

The critical difference between a reliable DX installation and a problematic one is proper sizing and installation practice. In Dubai's climate, undersized equipment runs continuously without reaching setpoint. Oversized equipment short-cycles, causing humidity problems and premature compressor wear. AGECperforms room-by-room heat load calculations accounting for glazing, orientation, occupancy, and equipment heat gains to select the correct capacity for each space.

Installation quality matters equally. Proper refrigerant line sizing, correct brazing technique, thorough vacuum pulling, and accurate refrigerant charging directly impact system efficiency and lifespan. We follow manufacturer installation standards on every project — whether it's a single split unit in a studio apartment or a multi-unit ducted system across a full villa.

When you need this service

  • New villa or apartment fit-outs requiring complete AC installation
  • Office or retail spaces needing independent zone cooling
  • Server rooms and IT closets requiring dedicated precision cooling
  • Replacement of aging or failed split system equipment
  • Additions to existing buildings where central plant expansion is not feasible

What AGEC provides

Load Calculation & Sizing

Room-by-room heat load calculations accounting for Dubai's peak solar gains, glazing ratios, occupancy profiles, and equipment heat loads.

Installation

Wall-mount, cassette, ducted, and concealed unit installation with proper mounting, drainage, refrigerant piping, and electrical connections.

Ductwork & Airflow

Supply and return duct design for ducted systems, including grille and diffuser selection, duct sizing, and insulation to prevent condensation.

Controls & Thermostats

Wired and wireless thermostat installation, timer programming, and integration with smart home systems where required.

Performance Verification

Post-installation testing of supply air temperatures, airflow rates, refrigerant pressures, and electrical draw against manufacturer specifications.

Warranty Registration

Proper manufacturer warranty registration as an authorized installer. Extended warranty options available on select equipment.

Why AGEC for DX Units & Split Systems

  • Every unit sized from calculated heat loads — up to 240 TR single-project capacity across our DX portfolio
  • 30+ HVAC projects delivered across the UAE, from studio apartments to multi-villa communities
  • ASHRAE 111 and SMACNA compliant installation practices with full commissioning documentation
  • Refrigerant piping to manufacturer standards: nitrogen-purged brazing, 500-micron vacuum hold test, and weighed charge

Ready to discuss your DX Units & Split Systems project?

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