HVAC, Plumbing and Piping Engineering & Design for your Projects including Design/Build System & Equipment Selections, Chilled Water and Domestic Hot Water Systems utilizing ACCA, ASHRAE, ASPE, ICC methodologies.


NATE Certified Service Technicians


COMMISSIONING AUTHORITY for Planning & Execution of Startup and Turnover for Documented, Efficient, Functioning Systems


Mechanical design and constructability reviews from a Design/Build Contractor.


Design/Construction Inspections and Verifications


LEED Prerequisite and Enhanced Commissioning Services


Construction Management Services: Owner Advocate, Coordination with OAC

“Owner, AE, and Contractors”.


Commissioning Planning and Documentation Services


Procurement for Equipment and Installation DMCSI provides engineering services for evaluating facilities for cause/effect of system operational issues and failures. We provide Energy Modeling/Forecasting, Commissioning and Re-Commissioning Services for optimum energy performance and energy conservation.


DMCSI provides engineering services for evaluating facilities for cause/effect of system  operational  issues  and  failures.  We   provide   Energy Modeling/Forecasting, Commissioning and Re-Commissioning services for optimum energy performance and energy conservation.


Harold D. Cullick, PE, Principal:


Harold Cullick is a Registered, Professional Mechanical Engineer in, Guam, CNMI, Arizona, California, Colorado, Oregon, Hawaii and Louisiana. He is a Professional, ASHRAE Certified Operations and Performance Management Professional and a licensed heating, ventilating and air conditioning  contractor in California, Guam and CNMI/SAIPAN. He graduated with a Bachelor of Science in Mechanical Engineering with Distinction from the University of Alberta. He has over 25 years experience in Mechanical Engineering and Design and an additional 15 plus years in construction project  and  design management.  He has personally managed up to $50-$60M complete projects and over $150M portions of billion dollar plus projects.


Harold Cullick has experience in projects large and small, over a wide variety of commercial and industrial applications during 20 years in consulting engineering. He has managed design/build projects as the Engineer and Project Manager. He has performed contract negotiations and material/equipment purchasing for Owners, engineering firms and mechanical  contractors. He has experience in Startup/Commissioning for mechanical/HVAC systems for peak energy performance and operational stability. He has  coordinated  with  Developers   and Construction Management companies.  Associations with ASHRAE, NSPE, NCEES, ASPE, CABEC, ACCA, ACG.

GUAM OFFICE:  147 Chalan Pingga,  Maina Guam 96910.  •  P.O. Box 4701 Hagatna Guam 96932

Office: (671) 969-2921/3  •  ALT: (671) 489-4880 or (602) 300-0352  •  Fax: (671)-969-2922


LOUISIANA OFFICE: 2800 Youree Dr. Suite 335 Shreveport, LA 71104  •  PO Box 5176 Shreveport, LA 71135

Office: (318) 798-9390 • Fax: (209) 729-4440