Ehsan Naderi Email & Phone Number

Tehran Province, Iran

1. Diagnosed refrigeration problems by measuring discharge pressure, examining compressor amps, and checking for airflow.2. Monitored and maintained temperature controlled environments in historic buildings using controls equipment.3. Disassembled HVAC units, repaired malfunctions, and restored parts and components to working condition.4. Complete preventative maintenance on semi-hermetically sealed reciprocating compressors. 5. Proactively maintain variable-frequency drives and automated damper systems.6. FAT/SAT HVAC equipment (HVAC control panels, Chillers, Air handling units etc.).7. Repair and maintenance air conditioning system for chillers, pools and Jacuzzi.8. Provide advices and elimination of noising in air conditioning system.9. Professional repair and maintenance for absorption chillers.10. Saving energy management and cost reducing for HVAC.11. Enquiries/Requisitions for HVAC systems/equipment.12. Investigations /calculations / recommendations.13. Heating and cooling balancing procedures.14. Startup procedures HVAC systems.15. Test procedures /testing.16. Commissioning procedures.

Tehran Province, Iran

1. Visit the projects and select the suitable HVAC system depends on related capacity (tons of refrigeration).2. Sales and Installation more than 50 absorption chillers.3. Commission HVAC systems, test and execute commissioning plans.4. Coordination with engineers and supervision of structural, controls, plumbing professional services.5. Conducted monthly audits to ensure timely project completion.6. Performed post-project job performance evaluations.

Tehran Province, Iran

Providing consultancy and services for optimizing installations and repairing and maintaining the air conditioning system of chillers, boilers, steam boilers , air washers , diesel generators ,swimmingpools and Jacuzzi.