Engineer Sam MEP tools · simulations · learning
A close-up photographic scene of a steel mechanical room corner featuring large galvanized air handling ducts, insulated chilled water pipes with labeled valves, and an electrical control panel with illuminated indicator lights. The equipment surfaces show subtle textures of brushed metal, painted finishes, and thermal insulation wraps. Overhead LED strip lights cast clean, neutral light, producing crisp shadows and reflections that highlight the geometry of the installation. Captured from a slightly low angle with strong depth of field, the composition feels technical and authoritative, conveying reliability, practical engineering knowledge, and attention to detail in real-world MEP installations.

MEP Calculators

Fast, standards-based sizing calculators for HVAC, plumbing, electrical, and fire protection systems in one place.

Project inputs

Enter your project’s areas, loads, occupancy, and system constraints so the calculators can generate accurate MEP sizing outputs instantly.

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A detailed photographic interior of a modern commercial ceiling void, with open ceiling tiles revealing organized ventilation ducts, sprinkler piping, cable trays, and conduit neatly routed around structural elements. Small printed layout diagrams and redlined plans rest on a nearby ladder platform, while a tablet on a portable cart displays a 3D coordination view. Cool-white work lights create a bright, evenly lit space with moderate shadows that emphasize depth and complexity. Shot from a slightly elevated angle, using wide-angle composition yet keeping lines straight and precise, the image conveys the hidden sophistication of MEP systems and the rigor of coordination and design review.

Methodology

Each calculator documents core formulas, design codes, safety factors, and default assumptions, then walks through step-by-step example problems for HVAC loads, pipe sizing, cable selection, and fire flow so you can verify and adapt results confidently.

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