Windows voltage drop analysis for single/three‑phase systems, NEC/NEMA compliant, scalable to 2,000 buses/loads with concise, verifiable reports.

Residential ACCA Manual D duct sizing software for optimal round/rectangular ducts, fittings, and reports, using English or metric units.

Residential/light commercial energy analysis software estimating monthly/annual HVAC costs, modeling rates, and comparing systems with RHVAC/CHVAC links.

Windows toolkit with 14 NEC/IES-based electrical calculators for sizing wire/conduit, voltage drop, short circuit, lighting, motors, panels, and more.

Panel design software that creates customizable panel schedules, outputs DXF, and sizes components per NEC for single/three‑phase systems.

Psychrometric chart software for plotting HVAC state points and processes with elevation adjustment, reports, and English/metric units.

Gas vent sizing software for Category I appliances, computing vent/connector sizes, chimney and combustion air per fuel gas codes.

Create professional, customizable HVAC proposals linked to Rhvac/Energy Audit results, with documents, images, charts, spell‑check, and PDF/email output

151 editable fire protection CAD details with schedules, notes, and symbols in DWG/DXF for AutoCAD, Revit, MicroStation, and more.

Graphical HVAC schematic design with intelligent components, hydronic/airflow modeling, coordination, and automated equipment schedules.

Windows HVAC utility automating 13 design tasks (duct, wire, pipes, psychrometrics, fan curves, U-factors, gas lines) using ASHRAE/NEC methods

Windows drainage pipe and vent sizing software for sanitary systems per UPC/IPC and ASPE, with BOM/costs, libraries, and concise, verifiable reports.

Windows software for sizing domestic hot/cold water piping using Hunter’s curve and fixture units, with reports and optional bill of materials.

Windows commercial HVAC load software using RTS/CLTD, with ASHRAE 183 compliance, room CFM and duct sizing, gbXML, and links to EnergyPro/eQUEST.

HVAC water-piping network simulator for hot/chilled water systems, computing flows, pressures, temperatures, and heat transfer with extensive component limits.

Windows HVAC duct sizing software computing optimal round/rectangular/flat-oval sizes, pressure losses, sound, and bill of materials.

Windows short-circuit analysis software for single/three‑phase systems, computing bolted faults with per‑unit methods and detailed, verifiable reports.

Windows CAD tool for drawing floor plans and realistic ductwork, integrated with Chvac/Rhvac/Ductsize to streamline HVAC design and calculations.

Windows software for selective coordination: plots time‑current curves, checks fuse I²T, supports fuses/breakers/relays, and includes device libraries.

Windows lighting software that calculates required luminaires per room using the IES Zonal Cavity method with large photometric libraries and reporting.

Windows desktop software for ACCA Manual J/D/S load calcs, duct sizing, and equipment selection, with detailed reports and energy program links.

AutoCAD add‑on library of editable electrical details and symbols for faster, standardized plans, schematics, and installation drawings.

Comprehensive building energy analysis for residential and non-residential projects with 8,760-hour simulation, code compliance, and lifecycle costs.

170 editable plumbing CAD details with schedules, notes, and symbols in DWG/DXF for major CAD tools; speeds plumbing drawing production.

HVAC CAD details library (DWG/DXF) plus an HVAC-focused CAD tool for floor plans and duct layouts, compatible with major CAD and Elite load programs.

Windows software for NFPA 13/13R sprinkler and standpipe hydraulic calculations with auto pipe sizing, pumps, trees/grids/loops, and NFPA‑style reports.

HVAC bill-of-materials software that produces detailed parts lists and duct takeoffs directly from Elite duct sizing and related project data.

Geothermal loop design tool calculating loop lengths, pressure drops, and BOMs for horizontal, vertical, and slinky systems using OSU/ASHRAE methods.

Refrigeration load software that computes 24‑hour box loads per ASHRAE, covers all load types, and helps select matching coils and condensing units.