
Mechanical Engineering
Reliable Systems, Designed for Your Success
A reliable mechanical system is the backbone of every great facility.
From HVAC and plumbing to complex industrial processes, your operations depend on systems that are efficient, cost-effective, and built to last. These systems do more than provide comfort and functionality – they influence operating costs, ensure regulatory compliance, and directly affect the safety and productivity of everyone in your space.
Mechanical systems impact day-to-day operations and shape long-term performance, from energy use and occupant comfort to overall sustainability. Well-designed systems help you adapt to evolving technology, reduce maintenance demands, and extend the life of your investment. Getting them right is essential for keeping your facility running smoothly today and prepared for tomorrow.
HVAC Systems That Work Smarter for You

Comfort and efficiency built into every design.
Your HVAC system should do more than regulate temperature. It should support energy efficiency, cost savings, and occupant comfort. Our engineers design and implement systems that deliver reliability while meeting your project’s specifications, whether for residential, commercial, or retrofit applications. Heating, ventilation, air conditioning, or refrigeration – we help you achieve optimal performance with lower long-term costs.
HVAC Services
- HVAC system design
- Energy modeling
- Energy efficiency analysis
- Equipment selection
- Cost estimation
- Ductwork and piping design
- Building automation systems (BAS)
- Thermal load calculations
- Indoor air quality (IAQ) analysis
- Sustainable design
- Mechanical system commissioning
- Mechanical system condition assessments
- Need assessments
Plumbing Built to Protect Your Operations

Safe, efficient systems tailored to your facility.
Your facility deserves plumbing that just works, day in, day out. From water supply and drainage to fire protection and gas distribution, every system plays a role in keeping your operations safe and reliable. That’s why our team designs solutions that go beyond the basics. We focus on efficiency, hygiene, and sustainability while tailoring every detail to your building’s unique needs and budget. Whether it’s a commercial space or an industrial facility, you get plumbing systems that support your goals and last for the long run.
Plumbing Services
- Water supply and distribution
- Sanitary and stormwater drainage
- Plumbing fixtures selection
- Gas piping systems
- Water heating systems
- Sustainable plumbing design
Industrial Mechanical Design That Powers Productivity

Mechanical systems built to match your industry’s demands.
In manufacturing, energy, oil and gas, petrochemical, or pharmaceutical facilities, your operations depend on systems that perform reliably under complex and demanding conditions. You need solutions that reduce risk, optimize processes, and keep production moving without interruption.
Our experts partners with you to design, upgrade, and fine-tune mechanical systems that support your goals, whether that means greater efficiency, safer operations, or long-term cost savings. Every solution is tailored to your facility, helping you achieve stronger performance and lasting value.
Industrial Mechanical Services
- Process equipment specification
- Mass and energy balances
- P&ID development and drawings
- Rotating equipment specification
- Pressure vessel, tank, heat exchanger design & specification
- Materials of construction & compatibility for process contact
- Relief valve sizing and specification
- Process piping
- Plant utility services
- Construction admin, commissioning and start-up
- Facilities engineering
- Reliability program implementation and management
- Operations support – failure response, optimization, lean programming
- Shutdown management
- Construction management
- Process safety audits and recommendations
Commissioning You Can Trust

Verifying performance from day one.
Your building systems should work as intended the moment they’re turned on. Our ASHRAE-certified commissioning professionals guide the process from design through occupancy to ensure systems are fully integrated, tested, and optimized. The result: reliable performance, fewer callbacks, and long-term peace of mind.
Commissioning Services
- Full building commissioning & building system commissioning, including:
- mechanical systems
- controls
- lighting
- power systems
- Field verification and performance testing
- Retro-commissioning
- Recommissioning services
- Ongoing commissioning services
Our Team

nbrula@sehinc.com

mmassa@sehinc.com

Leader of Building Mechanical and Plumbing System Design in Eastern Region
chendrix@sehinc.com

bmorgan@sehinc.com
Future Project Need? Contact Us!
To speak with a member of our team or learn more about our services, please fill out the contact form.
