48-72h
standard plan turnaround
100%
code and permit compliance
0 Ton
unverified sizing guesswork
Engineered for field installation
Every design package matches verified architectural geometry to practical joist clearance, delivering balanced airflow without sheet metal rework.
Accurate Heat Calculations
Verified Equipment Sizing
Balanced Duct Layouts
Room-by-room heating and cooling loss metrics calculated from framing assemblies, window U-values, and local climate data.
Exact sensible and latent capacity matching for heat pumps, air handlers, and split systems without costly short-cycling.
Friction rate sizing and CFM distribution schedules drafted to navigate open-web trusses, headers, and architectural chases.
Four steps to permit approval
Plan Ingestion
Load Modeling
Ductwork Engineering
Delivery and Filing
Upload PDF or DWG architectural sets alongside project location, insulation values, and preferred equipment brands.
We construct the thermal envelope, verify room volumes, and run room-by-room heat loss and gain calculations.
Trunk lines, runouts, and register locations are sized using exact static pressure limits and joist depths.
Receive stamped, permit-ready calculation reports and clean isometric CAD drawings ready for council or building departments.
Send plan sets today. We return accurate calculations, equipment schedules, and buildable duct runs so your install crews stay on schedule.