Allday HVAC Calc
Duct, Pipe & Psychrometrics
About
This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.
What's New in Allday HVAC Calc
1.7.4
October 20, 2026
Pipe Calculator: - Added a heat emitter calculation feature. You can now calculate one of the three design temperatures (supply, return, or room temperature) when the other two are known. The calculator also determines the design heat output at a specified flow rate or the required flow rate for a given heat output. - Expanded the documentation with a new section, Calculation of Heat Emitter Parameters. Duct Calculator: Extended the maximum size of rectangular ducts that can be selected when either width or height is specified, up to 30 m.
MoreSubscriptions & In-App Purchases
$4.99
Allday Design Assist
Helps pick optimal design values with codes
FAQ
What calculations can Allday HVAC Calc perform?
Allday HVAC Calc offers three main modules: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss in various duct types. It supports both SI and IP units.
Is Allday HVAC Calc available on Android?
Based on the provided information, Allday HVAC Calc is currently supported on iPhone, iPad, and iPod. There is no mention of Android compatibility.
How often is Allday HVAC Calc updated?
The application was last updated on April 21, 2026, with version 1.6.17. This indicates a recent update, though the frequency of future updates is not specified.
What is the age rating for Allday HVAC Calc?
Allday HVAC Calc has an age rating of 4+, making it suitable for a wide range of users. This rating suggests it contains no mature content.
Does Allday HVAC Calc have ads?
No, Allday HVAC Calc does not contain advertisements. The 'hasAds' flag is set to false, indicating an ad-free user experience.
What is the user rating for Allday HVAC Calc?
Allday HVAC Calc has a perfect rating of 5.0 stars based on one review. This single rating suggests a highly positive initial user experience.
Can Allday HVAC Calc be used offline?
The provided description does not explicitly state whether Allday HVAC Calc can be used offline. However, its nature as a calculation tool suggests it may function without an internet connection.
Where can I find the web version of Allday HVAC Calc?
A web version of Allday HVAC Calc is available at calc.ashrae-meteo.info. This allows users to access its calculation features through a web browser.
