Our engineers offer expertise in mechanical, electrical, plumbing, and fire protection (MEP) engineering...

MEP Design

e-riser Penfed

HVAC & Critical Cooling Systems, Electrical Power Distribution, Lighting Stand-by Power & UPS Systems, Energy Management Systems, Plumbing & Fire Protection Systems

LEED Design & Support


LEED Feasibility Analyses, LEED Design Considerations & Documentation, Application Assistance, Construction Close-Out & USGBC Approval

Studies & Evaluations

Studies - Services

Concept Planning & Feasibility Analyses, Due-Dilligennce Evaluations, Bacteriological Contamination Control Studies, Security System & Engineering "Test-Fit" Studies

Infrastructure Upgrades

Infrastructure - Services

HVAC System Upgrades, Mechanical & Electrical Equipment Replacement, Energy Efficiency Improvements, Stand-by Power & UPS Capacity Upgrades, Fire/Life Safety Compliance

Construction Support


Shop Drawing/Submittal Review, Site Observations & Punch List Reports, Progress Meetings, RFI & Change Proposal Reviews, Technical Issue Resolution, Field Coordination

Energy Modeling

Energy - Services

Computer Facility Energy Use Predictive Modeling, Energy Conservation Analyses & Recommendations, Systems Operation Improvement Evaluations

Sustainable Design

Sustainable - Services

Water Conservation/Grey-Water Systems, Sustainable Energy Generating & Geo-Exchange Systems, Energy Star Certification, LED Indoor & Outdoor Lighting Systems

chirrlinger2“Williams Notaro is a firm that truly takes the time to understand the client’s needs while preparing the design. They have a great client focus and do a lot of owner/ client occupied facility type work where the client is more focused on the best value. I have typically worked with them on challenging technical projects that have always gone well.”

 - Carl Hirrlinger, SR. VP - Davis Construction

Need Design Services or Technical Assistance?

barry-mark-sml"Through sound engineering design and professional collaboration, the challenges associated of modifying mechanical systems associated with critical facilities were successfully accomplished at two facilities. WNA provided the clients and Donohoe Construction Company with strong team leadership and comprehensive design for the modification of a prominent news organizations and sensitive government facility data centers. The technical expertise and support of WNA were key to  the successful execution of these projects."

 - Mark B. Barry, GACA, Sr. Vice President - Donohoe Construction Co.

...as well as other technical consulting services.

Owner Representation

Services - Owner Rep

Technical Advice & General Consulting, Representing Owner's Interest to Third Parties (tenants, brokers, contractors, etc.), Peer Review,

Technical Project Management

Services - PM

Design Team Leadership, RFP Generation, Contractor Interviews & Selections, Bid Process Management & Review, Schedule Tracking & Review

Disaster Recovery

services PM

Disaster Recovery Planning & Facility Design, On-Site Damage Assessment & Repair Implementation, System Condition Evaluation & Restoration

Facility Management Support

Services - Facility Support

System Optimizing & Retro-Commissioning, Maintenance RFP's, Reviewing Service Contracts, System Troubleshooting, Equipment Procurement & Replacement

"Your team has been responsive and helpful throughout the projects we have completed together and I greatly appreciate how smooth and drama free you have made the design and construction process."

Thomas Petersen, Vice President, ASI