Marvin  Lorenzana, HVAC Technician

Marvin Lorenzana

HVAC Technician

Arabian castle and general contracting Llc. co

Location
Saudi Arabia - Riyadh - Al Ma'athar
Education
Diploma, airconditioning
Experience
13 years, 8 Months

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Work Experience

Total years of experience :13 years, 8 Months

HVAC Technician at Arabian castle and general contracting Llc. co
  • Saudi Arabia - Eastern Province
  • My current job since December 2017

Total years of Experience: 11 years (local and abroad

HVAC Technician at arabian castle and general contracting llc. co(project british aerospace) dahran airbase
  • Saudi Arabia - Eastern Province
  • My current job since August 2020

• has a driving license
• •Maintaining humidifier and de humidifier machine.
• •Maintain room humidity not less than 30% and not exceed 70%
• Flexible to response such as emergency or major calls.
• Ensuring system maintenance and preparing repair cost.
• Ensured that all work orders were completed affectively and within an appropriate time frame.
• Coordinate work team activities with other team leaders and management personnel.
• Install, maintain and repair heating, ventilation, and cooling units.
• Maintain and repair HVAC chiller systems and air condition of all types, air and water cooled.
• Diagnose and repair both mechanical and electrical components of the whole systems.
• Travel to job sites in service area, to conduct daily visual check, and perform daily scheduling as follows, to ensure all units are in good condition and properly maintained.
• Performing daily routine check weekly preventive maintenance, monthly, 3 monthly 6 monthly and yearly preventive maintenance
• Can work and drive alone if necessary to response any emergency calls at site.
• Be available to work nights or weekends, on a rotating basis, to service emergency needs of our clients
• Overhauling semi hermetic compressor and screw compressor
• Conducting monthly War gas test and building pressure. To ensure all equipment in time of emergency is in good condition.
• Troubleshoot and diagnose any spare parts related in HVACs and Chiller system.
• Participate in company provided training, regarding safety at work on latest industry and technologies.
• Have knowledge in fire alarm system such as isolate and de isolate smoke detector, cleaning of smoke detector.
• Performing electrical minor trouble such as replacing florescent bulb, installing light fixture led and regular type.
• Maintaining 3 screw type air-cooled package chiller 120tr
• 4 Air handling unit
• 27 fan coil unit

Project: British Aerospace(ATD2 TPDM)
Industry: DEFENCE

HVAC Technician at royal palace house hold maintenance
  • Saudi Arabia - Riyadh
  • My current job since July 2022

complying job order in regard in aircon, kitchen equipment maintenance including exhaus fan, gas burner, vagetable chiller, meet freezer, all kind of walk in chiller, and electrical maintenance,

HVAC Technician at Arabian Castles for General Contracting llc co(privat air saudi arabia) jeddah north terminal
  • Saudi Arabia
  • September 2019 to July 2020

Daily routine check for all air condition units in every 3 hrs.
•Ensure always all air diffuser cleaned.
•Performing preventive maintenance which scheduled by cms daily scheduled
•Helping other department for cooperation in their own task.
•Maintaining 4 Air handling unit
•25 mini split unit
•2 exhaust fan




Project: private air terminal
jeddah international airport north terminal

HVAC Technician at Arabian Castles for General Contracting llc Co.(project; tabuk king faisal airbase, RMU F-15 JET
  • Saudi Arabia
  • February 2018 to September 2019

Daily routine check
• Performing preventive maintenance schedule from computerize management system (cms), which the project manager scheduled.
• Requesting of additional work order (awo) which not included from cms, like urgent check repair, and replace part of trouble unit.
• Over hauling semi hermetic compressor 3 cylinder heads 6 valves.
• over hauling screw type compressor
• Maintaining war gas system which connected to the hvac system.
• Conducting war gas test along with the military personnel to insure the building is safe and capable.
• Can work under pressure of time
• Maintaining
• Two 100tr air-cooled chiller which separate condenser fins that have 6, belt drive motor with 54 kilowatt motor three phase 460v each. contain of 86 pieces of airbag filter
• 1 package unit 15tr
• 10 split unit mini
• 36 exhaust fan
• 33 fan coil unit
• 12 gas tight valve(GTV)
• war gas panel

HVAC Technician at B. R. cat Llc. co
  • Saudi Arabia - Dammam
  • May 2015 to July 2017

Responsible for Installing, repairing, troubleshooting and inspecting the entire HVAC (heating, ventilation and air conditioning) System
• Coordinates with the other trades/contractors for the devices that are related to HVAC System which includes Smoke and Heat Detectors.
• Reports/logs every activity for the repair and maintenance done and or balances.
• Performing daily routine check, preventive maintenance such as weekly preventive maintenance, monthly preventive maintenance, 3 monthly 6 monthly yearly preventive maintenance
• •Most off all friendly and coordinating on other department in additional support and guideline.
• Maintaining
• 420 WINDOW type air con
• 157 split unit mini
• 4 ice maker factory
• 6 ice maker machine
• 6 automatic washing machine
• 4 clothe drier

HVAV technician at Al Zamil Coolcare(project: saudi petrochemical)
  • Saudi Arabia - Jubail
  • January 2013 to February 2015

SABIC permit reciever.
• Fully trained for safety specially when entering in hazardous area and PPE equipment
•Daily routine check for all air-condition unit every morning. And every 3hrs except critical hazardous area with out safety personnel clearance.
•maintaining 5 zamil package unit 30tr
•4 centralize split unit 30tr
•2 air-cooled package chiller 60tr
•4 Air handling unit
•To provide work permit before executing job, the site is cleared of harmful and flammable explosive gas. Monitor every second the atmosphere to make sure there's no any percent of chemical gas to appear while in job area
•To represent as fire watch if the job description is hot work
•To insure all safety equipment is available like gas detector, fire extinguisher, fire blanket, horn alarm, work permit and etc.
•Monitoring building pressure and monitoring chemical filter updating status
•Coordinating to central command office by monitoring temperature status of critical building substation
•Working at time pressure to minimize the work load of time to finish in time preventing on high cost on shutdown system.
• most of all friendly coordinating in others department for other guideline support

aircon technician at Board walk
  • Philippines - Cavite City
  • March 2012 to October 2012

Traveling daily around Philippines each store equip with air-condition for monthly maintenance. General cleaning, monitoring and repair.
•Can work and travel long hours and fullfil duties.
•Replacing busted light

aircon tech at city cool service center
  • Philippines - Santiago
  • November 2011 to February 2012

Traveling distance for on call maintenance
•Installation of split Aircon
•philippines national bank maintenance on call
•Monitoring for team work and load schedule
•Car air con technician

aircon technician at coolfred service center
  • Philippines - Solano
  • January 2010 to September 2011

• On call technician
• Eligible for task assignment
• Installer for any kind of air condition
• Car air con technician
• Knowledgeable in aluminum welding

Education

Diploma, airconditioning
  • at Southern Isabela Collage of Art and Trade Isabell
  • September 2021

courses: Technical Education and Skill Development Authority Certificate Refrigeration and Air-conditioning

Diploma, airconditiong and refrigeration
  • at Diadi National High School
  • April 2009

participating skill contest with certificate

Specialties & Skills

PERSONNEL
TECHNICIAN
TROUBLESHOOTING
AIR FORCE
MICROSOFT OFFICE
MICROSOFT WINDOWS
maintenance services
operation
plant maintenance
preventive maintenance
Repairing

Languages

English
Expert