AirCore
The offline air-side HVAC calculator.
The air-side calculator for HVAC technicians, designers and contractors. Enter any two of dry bulb, wet bulb, dew point, relative humidity, humidity ratio, enthalpy or specific volume and AirCore solves the rest, putting the point on a real psychrometric chart — type a value and the point moves, drag the point and the values follow. Site elevation sits in the toolbar of every screen and every number is corrected to it, so you are not quietly working at sea level. Imperial and metric switch freely without re-rounding, and the physics lives in independently tested modules checked against published reference data.
What's inside
Any two knowns solve the whole air state, plotted on a real chart
Corrected for your site elevation — see what the altitude costs
Air-side heat in any direction, and air mixing weighted by mass
Duct from friction, fan laws, and pipe by Darcy or Hazen–Williams
No account, no tracking, no data collection. AirCore works fully offline.
Questions
Does AirCore work offline?+
Yes. AirCore runs entirely on your device, so it works with no internet connection.
Is there an account or subscription?+
No. There's no sign-up, no login, and no subscription — just download AirCore from the App Store and open it.
What data does AirCore collect?+
None. It collects, stores, and transmits zero personal data — nothing ever leaves your device.
Which devices are supported?+
AirCore is available for iPhone, iPad, Mac & Apple Watch.
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Get AirCore
The offline air-side HVAC calculator. On-device, no account, no tracking.
Download on theApp Store