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Business Details
38 Years
experience
Your Trusted Partner for MEP Engineering Solutions
Landmark Facilities Group has provided excellence in MEP engineering design for over 30 years. We are an award-winning professional engineering firm offering Mechanical, Electrical, Plumbing, Fire Protection, and Life Safety services to clients from Connecticut to China. Our team of licensed professionals in 25+ states delivers comprehensive solutions including facility assessments, system troubleshooting, and sustainable technology integration.

With offices in Norwalk, CT, Columbus, OH, and North Carolina, we combine deep technical expertise with a commitment to preserving historic structures while innovating for modern needs. Our engineers apply specialized knowledge from initial site surveys to final project inspections, ensuring precision across new construction and renovation projects.
Services
Mechanical Engineering Electrical Engineering Plumbing Design Fire Protection Sustainable Design Building Automation Commissioning Services Historic Preservation Energy Audits Construction Support
Details
  • Year established: 1988
Highlights and features
  • We have 30+ years of experience in MEP engineering design
  • Our engineers are licensed in 25+ states
  • Specialized expertise in historic building preservation
  • Pioneers in geothermal and photovoltaic system integration
  • Comprehensive services from site survey to project completion
Associations and certifications
  • LEED AP
  • Certified Geo-exchange Designer
  • Certified Energy Manager
Services
Mechanical Engineering
Our mechanical engineering services focus on precision HVAC system design for both new construction and historic preservation projects. We specialize in geothermal systems, energy-efficient climate control, and mold prevention solutions. Our engineers deliver tailored mechanical designs that balance performance with sustainability.
Electrical Engineering
We provide comprehensive electrical engineering solutions including primary/secondary distribution, emergency power systems, and photovoltaic integration. Our expertise ensures code-compliant designs that optimize energy efficiency while maintaining reliability for commercial and historic buildings.
Fire Protection
Our fire protection services include code-compliant fire alarm systems, water-based suppression, and advanced detection technologies. We design solutions that protect both modern facilities and historic structures while meeting current safety standards and operational requirements.
Sustainable Design
We integrate sustainable technologies like geothermal heating and solar power into all project phases. Our team holds specialized certifications in energy management and green building practices, delivering environmentally responsible solutions without compromising system performance or client needs.
Historic Preservation
Our engineers specialize in preserving historic structures through careful system integration. We maintain stable indoor environments for artifact protection while implementing modern HVAC, electrical, and fire safety systems that meet preservation standards and building codes.
People
Thomas E. Newbold
Principal
Founding member with 35+ years of engineering experience. Licensed in 23 states, specializes in HVAC controls and geothermal design. Holds MBA from University of Connecticut and BS from Washington University.
Eleanor Lynn
Principal
Lead electrical engineer with 20+ years of experience. Specializes in fire alarm design and electrical systems for diverse building types. Licensed in four states with expertise in code-compliant solutions.
Richard A. Sileo
Principal
Mechanical engineering expert with 15+ years at LFG. Specializes in historic building systems and open-source DDC solutions. Notable projects include St. Patrick's Cathedral and Boston's Old State House preservation.
Questions
What engineering services does Landmark Facilities Group offer?
We provide mechanical, electrical, plumbing, and fire protection engineering services with expertise in historic preservation and sustainable technologies.
How long has Landmark Facilities Group been in business?
We've delivered engineering solutions since 1988, with our founding principals maintaining continuous service for over 30 years.
Do you work on historic building projects?
Yes, we specialize in historic preservation projects with experience on landmarks like St. Patrick's Cathedral and Boston's Freedom Trail sites.
Are your engineers licensed in multiple states?
Our team holds professional engineering licenses in over 25 states, enabling nationwide project execution.
What sustainable technologies do you implement?
We integrate geothermal heating, photovoltaic systems, and energy-efficient HVAC solutions while maintaining building performance standards.