Central AC installation in Al Marj

We calculate the thermal load for each zone based on its area, ceiling height, number of external openings, orientation and how it will be used. In Jeddah the sun's effect on west-facing facades is significant, and high humidity goes into the calculation. We choose the unit size after this calculation, not before.

We fabricate round and rectangular ducts in our own workshop from G90 galvanised sheet or aluminium sheet depending on what the project needs. This lets us cut ducts to the exact site dimensions and fit them tightly, avoiding ill-fitting sections that leak air and raise electricity consumption.

We use Mueller copper in runs of up to 30 metres without welded joints, which reduces potential leak points. If a run exceeds that, the survey determines whether the outdoor unit position needs rethinking or whether the refrigerant charge needs adjustment according to the type shown on the unit's nameplate.

Yes, and it is settled at the design stage. Each floor can have its own unit, or the network can be split into zones with dampers and a thermostat in each, so you do not cool the whole upper floor while the family sits in the majlis. We recommend the right option after the load calculation.

Yes, and the roof surface determines what kind of base is needed. For villas we fabricate a raised steel frame that keeps the unit clear of pooled rainwater and allows airflow beneath it. The exact height and angle depend on the roof pitch and the condensate drain position, which the site survey establishes. The aim is to keep the unit level and to prevent vibration movement during operation.

Best to start right after the structural frame is complete. We visit, calculate load, design duct routes before final electrical and plumbing work, so it finishes before interior decoration. This avoids costly changes later.

The rear yard is preferable to preserve the front view and reduce street-facing noise. But it depends on the villa's orientation, sun exposure and wind. We visit and advise what suits the design and local environment best.

We select units with strong air filters and dust-resistant design, install them with effective airflow around the condenser, and may recommend a heat shield. Routine maintenance cleans filters and condenser of dust buildup.

Long distance can increase electrical voltage drop in the wires. We calculate the distance and select proper wire gauge to minimise loss, and may recommend a disconnector switch near the outdoor unit for easier maintenance and safety.