Enter the design basis once — everything stays consistent, and every number is labeled with its method and maturity. All 94 modules live. AI-assisted, browser-based.
All 94 mechanical modules in the catalog are live and selectable — loads, ventilation, equipment, hydronic + steam + airside distribution, controls, compliance, deliverables, and economics — and every one ships honestly labeled: validated, advisory, or reference, with its method, assumptions, and limitations disclosed on the workspace and in every export. Pick what your project needs. Add or remove whole design phases per project. Save the combination as your firm's reusable template. Office, lab, hospital, data center, district plant — the same tool, the same data bus, your project's shape.
Real engineering methods, cited per result — not black boxes.
Peak heating and cooling loads by RTS (ASHRAE HOF 2021 Ch. 18) — real clear-sky solar geometry with published monthly ASHRAE constants, swept across the cooling season so each zone is reported at its own worst month and hour ("peaked Sep 1300"). Zone supply CFM comes from true room sensible load; ventilation OA is reported as a separate coil-level block. CLTD/CLF and Simplified selectable; all altitude-corrected. Design-day peaks — not 8,760-hour energy modeling.
Full ASHRAE 62.1-2019 compliance — per-zone Vbz/Voz and multiple-zone recirculating system outdoor air (Vou, Ev, Vot) with diversity.
Darcy-Weisbach friction factor with Colebrook iteration. Four network topologies with full pressure drop and pump head calculations.
Equivalent diameter method with friction loss and velocity constraints. Full duct network solver for supply and return systems.
Rule-based system recommendation wizard — building type, load, climate zone, and zone count → ranked system recommendations with rationale.
Humidity ratio, dew point, enthalpy, and wet-bulb per ASHRAE Fundamentals. Moist air properties for any design condition.
ASHRAE 90.1, 62.1, 15, and IFGC scoreboards wired to your live project data, with the code citation on every line. IMC and NFPA 90A/96/99 ship as reference checklists keyed to your project scope — labeled reference, never presented as quantitative code checks.
Every module declares its maturity, method, assumptions, and limitations — shown on the workspace and carried into every export. Validated is earned per published citation; a reference checklist can never present itself as an engineered result. You always know how far to trust a number.
PDF engineering report with the auto-generated airflow diagram (zones, room loads, CFM on every edge) and ISA-5.1-style P&ID schematics embedded alongside the load, ventilation, and compliance tables. Excel workbook, CSV schedules, markdown summaries, and a calc package that carries the full maturity register and per-result provenance.
Six fully worked sample projects — small office, K-12 wing, outpatient clinic, process plant, multi-family, tenant fit-out. Name your copy and convert any sample into your own editable project in one click. Save any project as a reusable template.
Control sequences and BMS point lists generated from your system design. Covers HVAC unit, plant, and terminal unit control logic.
Capital cost, operating cost, and 20-year life cycle cost analysis. Compare system alternatives side by side.
Side-by-side schematic comparison of 4 HVAC system archetypes — VAV+CHW+HW, 4-pipe FCU, VRF, water-source heat pump loop. Capital cost range, annual energy, mech room footprint, and 15-year LCC, scaled to your project area.
Convert any project into a reusable template. Build a per-firm template library that captures your default scope, zones, and inputs — every new project starts from your firm's baseline, not a blank workspace.
A clean 2-page summary with project meta, design conditions, building loads, ventilation, and the full equipment schedule — for your basis-of-design and coordination set.
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