HVAC calculators, materials planning, and worksheet records built for the job site.
Open the calculators and pick one of the HVAC field tools, including BTU, CFM, duct sizing, airflow, psychrometrics, refrigerant line, superheat, subcooling, load, hydronics, and economizer calculators. Enter your values and calculate to see sizing guidance or a pass/fail result with a breakdown.
Use Jobs to save job contacts and worksheets with scope items, site notes, and a worksheet PDF. Use Materials for common pull-list reminders tied to the HVAC workflow.
BaseCalc HVAC offers optional Pro subscriptions. The free app opens without a BaseCalc account. Purchases and restores are handled through the App Store or Google Play.
BaseCalc HVAC works offline by default. Job contacts, worksheets, settings, and calculation history are stored locally on your device, and there is no BaseCalc cloud sync option. See our Privacy Policy.
BaseCalc HVAC is a professional reference tool. Always verify results against current industry standards, manufacturer data, and local codes. The authority having jurisdiction has the final say.
Need help or have a feature request? Email [email protected].
