Direct Expansion – DX

Direct Expansion DX

DX system is using refrigeration cycle to cool the air & push the air direct to air-conditioned areas. It uses 1 outdoor unit connected by copper piping to 1 indoor unit.


Split Type
Package Type

Split type

has various shapes of ac machines, for example:
Hi.Wall Split
Free stand
Concealed (FCU)
Central Split

Package Unit

has various shapes of ac machines, for example:
  • Window
  • Roof Top & Horizontal – Package AC Unit
  • Dx Air Handling Unit (AHU)

Components of System:

  • Compressor
  • Expansion Valve
  • Evaporator
  • Condenser

Where to use

  • For Low & Medium Capacities 0-500 TR
  • For separate areas
  • For residential & commercial small & medium building
  • For Low Rise Buildings

Other Systems

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About Us

Salem Balhamer HVAC and Maintenance Contracting Company is recognized for its extensive experience in the field of general and maintenance contracting.

Contact Us

P.O.Box : 150 – Dammam 31411 – Saudia Arabia

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