Airside: HVAC Tools & PT Chart

28 HVAC tools that show their work — PT chart, superheat, duct and pipe sizing, ventilation, load, combustion — each one naming its method and source. Works offline. Airside is a field engineering suite for HVAC technicians, estimators, and mechanical engineers. No account. No ads. Calculations need no connection — every table and equation ships inside the app. FREE — NO SIGN-UP • PT Chart — 28 refrigerants, saturation temperature ↔ pressure • Superheat / Subcool — charge diagnostics with a target superheat estimator • Charge Weight — line-set volume to pounds of refrigerant • Psychrometrics — full air state on a psychrometric chart, with an indicative comfort region • Fan Laws / VFD — CFM ∝ N, SP ∝ N², BHP ∝ N³ • Design Weather — outdoor design conditions for 246 North American cities • Reference screens — humidity, pressure, dew point, energy, engineering constants AIRSIDE PRO — EVERY…