Psychro Calc Pro

Psychro Calc Pro

HVAC Psychrometric Calculator

0 ratings
Free
In-App Purchases

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Details

Released
March 24, 2026
Updated
October 17, 2026

Features

Psychro Calc Pro screenshot #1 for iPhone
Psychro Calc Pro screenshot #2 for iPhone
Psychro Calc Pro screenshot #3 for iPhone
Psychro Calc Pro screenshot #4 for iPhone
Psychro Calc Pro screenshot #5 for iPhone
Psychro Calc Pro screenshot #6 for iPhone
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About

Psychro Calc Pro is a psychrometric calculator for HVAC engineers and technicians. Calculate dry bulb, wet bulb, dew point, relative humidity, humidity ratio, enthalpy and air density from any two independent properties, at altitudes from −500 m to 11 000 m. CALCULATION ENGINE Saturation pressure over water and ice from the Hyland–Wexler equations (ASHRAE Handbook—Fundamentals, Ch. 1), Greenspan (1976) enhancement factor, and the ASHRAE wet bulb equation. Valid from −100 °C to +200 °C. PSYCHROMETRIC CHART IN PDF REPORTS Relative humidity, enthalpy, wet bulb and specific volume lines, with automatic Standard, Low Temp and Industrial Drying modes. REPORTS & HISTORY SI and IP (Imperial) units throughout — results, chart, PDF reports and history — plus your company logo on PDF reports. FREE TRIAL, ONE-TIME PURCHASE Free to download. Try every feature free for 3 days — no payment, no sign-up. After the trial, unlock everything with a one-time purchase. No subscription, no recurring fees. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://iklimet-lab.com/privacy-policy/
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What's New in Psychro Calc Pro

1.0.17

October 17, 2026

- IP units throughout: chart axes, lines, point box and PDF report now use °F, gr/lb, Btu/lb and ft³/lb - History shows values in the selected units - Your company logo is kept between sessions - Switching between SI and IP keeps your calculation and converts it - Fixes and improvements

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Subscriptions & In-App Purchases

Monthly Premium

Full access to all psychrometric calculations.

$3.991 Month
3 Days trial
How to cancel Psychro Calc Pro subscription ⁉️