Mechanical engineering designs the systems that condition, ventilate, and exhaust air in commercial buildings — HVAC systems, kitchen exhaust and make-up air, industrial ventilation, specialty process systems, and energy code compliance. Apex Grid mechanical engineers produce PE-stamped permit drawings for commercial, restaurant, medical, industrial, and multifamily projects.
Request Engineering SupportMechanical engineering in building construction focuses on heating, ventilation, and air conditioning (HVAC) systems — the equipment and ductwork that control temperature, humidity, ventilation, and air quality inside buildings. Commercial mechanical engineering is significantly more complex than residential HVAC because of code requirements for outdoor air, exhaust rates, energy efficiency, and specialty systems like commercial kitchen exhaust. Apex Grid mechanical engineers design systems that perform correctly, comply with energy codes, and pass plan check the first time.
Commercial HVAC engineering sizes and designs the heating, cooling, and ventilation systems for commercial buildings — c…
Commercial kitchen exhaust engineering designs the hood, exhaust duct, and fan systems that capture grease-laden air, he…
Make-up air systems replace the air exhausted from commercial kitchens, industrial processes, and heavily exhausted comm…
Industrial ventilation engineering controls contaminants, heat, and hazardous substances in manufacturing and process en…
Replacing HVAC equipment in an existing commercial building often requires mechanical engineering — confirming the repla…
Rooftop HVAC unit (RTU) installations involve both mechanical engineering — for equipment sizing, duct connections, and …
Data center and server room cooling requires precision mechanical engineering — matching cooling capacity to the heat lo…
Laboratory exhaust engineering protects laboratory personnel and the building from hazardous chemicals and biological ma…
Energy modeling calculates a building's projected energy use and documents compliance with energy code requirements — wh…
Apex Grid Engineering is licensed in 49 states — every U.S. state except Alaska. Engineering stamping and licensure are confirmed for each project jurisdiction. We provide mechanical engineering as a standalone service or as part of a coordinated multi-discipline package.
We work from architectural PDFs, contractor sketches, or existing CAD files and produce stamped engineering documents and permit packages that building departments accept. One business day turnaround on fee proposals.
Get a ProposalSend us your drawings or describe your project — we respond with a fee proposal within one business day.
Contact Us 480-490-0064Reviewed and sealed by licensed PEs. “Solid engineering and clear communication from start to finish.” — Jason Mitchell, Principal Architect
Tell us what you need and where the project is — quotes back within 12–24 hours on qualifying scopes.