Precision air conditioning cabinets side by side in a data center

Precision air conditioning maintenance and 24/7 service

We manage redundant operation, alarms and critical parts together so that server room temperature and humidity stay within limits.

In shortPrecision air conditioning is a specialized system that runs 24/7 to keep temperature and humidity within tight limits in data centers and server rooms. YOİ Mühendislik provides scheduled maintenance, alarm and sensor checks, humidifier service, redundancy tests and 24/7 breakdown response for precision air conditioning units.
Free Precision Air Conditioning Maintenance Form (PDF)
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About precision air conditioning

Comfort air conditioners are designed for people; precision air conditioners are designed for equipment: high sensible cooling ratio, precise humidity control and continuous operation. Because a precision unit stopping can shut down servers within minutes, maintenance, spare parts and response time must be planned in advance.

What we do

  • Scheduled maintenance and performance measurement
  • Alarm, sensor and control panel tests
  • Humidifier cylinder and electrode replacement
  • Filter, fan and EC motor service
  • Compressor and refrigerant circuit check
  • N+1 redundancy and sequential operation test
  • Condenser / dry cooler maintenance
  • Critical spare parts stock plan
Precision air conditioning units between server racks
N+1 redundancy and alarm tests on precision air conditioning units.

Common alarms

Symptom / alarmPossible causeWhat we do on site
High temperatureDirty filter, fan fault, condenserFilter, fan and condenser check
High / low humidityHumidifier, sensor calibrationCylinder replacement, calibration
High pressureDirty outdoor unit, fan failureCondenser cleaning, fan test
Water detectionDrain or humidifier leakLine and connection check

Buildings we serve

Data centerServer roomTelecom exchangeBankHospitalLaboratory

Our base is in Ankara Etimesgut. We provide precision air conditioning services daily in Ankara, and on a project and contract basis in all 81 provinces of Türkiye, including İstanbul, İzmir, Bursa, Antalya, Konya, Kayseri, Eskişehir, Kocaeli, Adana, Gaziantep, Samsun and Trabzon. See our service areas.

Frequently asked questions

What temperature should a server room be?

The generally accepted range is about 18-27 °C at the inlet air; it is set according to the facility's own criteria.

How often should precision air conditioning be maintained?

Usually every three months; critical facilities have monthly checks and annual comprehensive maintenance.

Which brands do you service?

We work on Stulz, Vertiv/Liebert, Uniflair, Emerson, Rittal, Airedale and other brands.

From 1 unit to 1,000 units, from a single provider.

Sales, installation, maintenance and repair for all brands and equipment. Nationwide across Türkiye.