BZN Engineering
Civil, Mechanical & Structural Engineering
Serving all of Massachusetts
Services Provided
Utility Design & Coordination
Safe, efficient, and buildable utility solutions
We provide complete gas and utility design services for public and private projects throughout Massachusetts. From main extensions to complex bridge or railroad crossings, our designs ensure regulatory compliance, constructability, and system safety.
Services include:
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Gas main layout & pressure zone analysis
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Coordination with MassDOT, municipalities, and utilities
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Constructability reviews and as-built documentation
Residential & Commercial HVAC Design
Smart, code-compliant comfort systems built for New England weather
BZN Engineering offers mechanical system design tailored to New England’s demanding climate. We size and specify heating, cooling, and ventilation systems that meet Massachusetts Energy Code (780 CMR) and comfort requirements.
Services include:
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HVAC load calculations (Manual J / ASHRAE methods)
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Equipment selection and duct layout
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Hydronic and radiant system design
Home Energy Assessments & Efficiency Upgrades
Reducing energy costs through data-driven engineering.
We perform engineering-based energy evaluations for existing homes and small buildings, identifying opportunities to reduce fuel use, improve comfort, and comply with state programs such as Mass Save®.
Services include:
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Building envelope and thermal loss analysis
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Heating system performance evaluation
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Recommendations for insulation, ventilation, and system upgrades
Thermal & Fluid Systems Engineering
Precision analysis for heat, flow, and energy performance.
As specialists in Thermal-Fluid Sciences, we deliver detailed modeling and analysis for heat transfer, flow, and energy systems. Ideal for process improvements, equipment selection, or R&D support.
Services include:
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Heat exchanger design and optimization
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Flow network modeling and pressure drop analysis
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Energy recovery and waste-heat utilization studies
Mechanical Design & Drafting
From concept to construction — drawings that deliver
We provide precise, code-compliant mechanical drawings and documentation for permit and construction use. Using AutoCAD and ArcGIS Pro, we ensure your design data is both accurate and field-ready.
Services include:
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CAD drafting of mechanical plans
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Equipment layouts and details
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Technical specifications and design packages
Engineering Consultation & Peer Review
Professional insight you can trust — backed by a PE stamp.
BZN Engineering supports developers, contractors, and municipalities with professional consultation on mechanical systems, permitting, and design verification.
Services include:
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Third-party design reviews
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Code compliance assessments
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Professional Engineer (PE) stamping and certification (MA)
Welcome to BZN Engineering
BZN Engineering provides professional mechanical engineering services to utility, municipal, commercial, and residential clients across Massachusetts. Our work spans gas utility design, HVAC and energy systems, and mechanical consulting — delivering practical, code-compliant solutions from concept through construction.
Whether you need utility coordination, home energy assessments, or mechanical system design, we focus on cost-effective engineering backed by licensed expertise and real-world experience. Every project is built on precision, communication, and safety.
Let us help you plan your next project with confidence.
✆ Call us today: (508) 542-8925
or
💬 Request a Quote → [Contact Form Link]
Serving all of Massachusetts — from Greater Boston to the Cape and Islands.
Excellence Award
Our team received the prestigious Excellence Award for innovative engineering designs that significantly improve sustainability. Our commitment is recognized in the industry.
Safety Certification
BZN Engineering is proud to hold safety certifications that uphold the highest standards in workplace safety, ensuring the well-being of our team and clients throughout all projects.
Community Recognition
We were honored with Community Recognition Awards for our contributions to local development projects, showcasing our dedication to enhancing the communities we serve.
