Business Details
45 Years
experience
Your Trusted Partner for Engineering Solutions in Rye, NY
Since 1981, our firm has been dedicated to delivering innovative MEP consulting services across the Tri-State Area and beyond. Our decades of experience enable us to seamlessly integrate proven techniques with modern technology, creating reliable and cutting-edge systems. With over 2,500 completed projects ranging from boiler replacements to $120 million+ designs, we serve architects, schools, municipalities, and property management firms. Our commitment to integrity, versatility, and innovation drives every project, ensuring holistic solutions through multidisciplinary engineering expertise.We prioritize long-term relationships while maintaining rigorous training in BIM (Revit MEP) and sustainable design practices. Our core values of honesty, reliability, and community engagement guide our decisions daily. We actively contribute to local organizations through pro bono work and an intern program exposing students to engineering fundamentals. Our mission remains to exceed expectations through energy-efficient systems tailored to client needs while upholding our reputation for excellence.
Services
Mechanical Engineering
Electrical Systems
Plumbing Design
Fire Protection
LEED Consulting
Revit Modeling
Cogeneration Systems
Geothermal Design
Facility Audits
System Troubleshooting
Details
- Year established: 1981
Highlights and features
- We offer 40+ years of MEP engineering experience across diverse project types.
- Our engineers receive multidisciplinary training ensuring holistic design approaches.
- We maintain BIM/Revit MEP expertise for modern, coordinated system designs.
- Our firm actively contributes to community development through intern programs.
- We implement proven energy-efficient technologies in all our engineering solutions.
Services
Mechanical Engineering
Our mechanical engineering services encompass complete HVAC system design, boiler room rehabilitation, and chiller replacement projects. We specialize in oil-to-gas conversions and facility energy improvement assessments. Our engineers utilize Revit MEP for precise 3D modeling, ensuring optimal system integration while maintaining budgetary constraints. With experience in both small-scale repairs and large commercial installations, we deliver energy-efficient solutions tailored to each project's unique requirements.
Electrical Systems
We provide comprehensive electrical engineering services including full system design, emergency generator installations, and lighting optimization. Our expertise extends to A/V consulting, load audits, and incentive program coordination. The team specializes in creating code-compliant electrical infrastructure for new constructions and retrofits. By combining traditional engineering principles with modern technology, we ensure reliable power distribution solutions that meet both functional needs and sustainability goals for commercial and institutional clients.
Plumbing Design
Our plumbing and fire protection services include complete system design, sprinkler and fire alarm installations, and backflow preventer configurations. We conduct thorough code compliance analyses and system surveys to ensure safety and regulatory adherence. The team addresses both routine maintenance requirements and complex system upgrades, with expertise in municipal code requirements. Our solutions balance functionality with water conservation principles across residential, commercial, and institutional applications.
Green Building
We specialize in LEED-certified building systems design, including photovoltaic arrays, geothermal heat pumps, and cogeneration plants. Our engineers prepare LEED credit submissions and optimize HVAC efficiency for sustainability certifications. By integrating renewable energy technologies with traditional MEP systems, we create high-performance buildings that reduce environmental impact. Our approach combines energy modeling with practical implementation to achieve both certification goals and operational efficiency for diverse project types.
Revit Modeling
Our team maintains advanced Revit MEP capabilities for coordinated 3D modeling of mechanical, electrical, and plumbing systems. We provide BIM-based design solutions that enhance construction coordination and reduce field conflicts. Through continuous training programs, our drafters stay current with the latest software advancements. This digital approach improves project visualization, streamlines documentation, and supports efficient system integration across all building types, from historical renovations to new commercial developments.
People
Werner E. Tietjen
Founder/Principal Engineer
With over 40 years of experience, Werner established the firm in 1981 and pioneered its reputation as a leading MEP consultant. His expertise in mechanical engineering and system integration has guided the firm's growth while maintaining commitment to technical excellence and client relationships.
Edison Venegas
Principal Engineer
Joining as principal in 2018, Edison brings extensive MEP engineering experience from his tenure as longtime principal at Werner E. Tietjen Consulting Engineers. He specializes in multidisciplinary system design and BIM implementation, driving the firm's technological advancements while maintaining its core values.
Questions
What engineering services do you specialize in?
We specialize in mechanical, electrical, plumbing (MEP) engineering with expertise in HVAC systems, electrical infrastructure, fire protection, and sustainable design including LEED certification.
How long has your firm been in business?
Our firm has provided engineering services since 1981, with principals having over 40 combined years of experience in the industry.
Do you work on large-scale projects?
Yes, we've completed projects costing over $120 million, including athletic complexes, healthcare facilities, and large residential developments.
Are you experienced with modern design software?
Our team maintains advanced BIM/Revit MEP capabilities and receives regular training to stay current with evolving design technologies.
What community initiatives do you support?
We support local organizations through pro bono work and operate an intern program exposing high school and college students to engineering fundamentals.
How do you ensure energy efficiency in designs?
We integrate proven technologies like geothermal systems, photovoltaic arrays, and cogeneration plants while optimizing traditional MEP systems for maximum efficiency.
