Calculate pressure loss for a selection of ASHRAE duct fittings. Create projects, customize inputs, and generate reports with spreadsheet attachments. Supports both I-P and SI units and works on iPhone and iPad.


250+ iOS apps curated and reviewed
Finding the right ashrae regions apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Jul 2026 | |
| 2 | Free | — | No | No | Jul 2026 | |
| 3 | Free | 4.2★ (10) | Yes | No | Aug 2026 | |
| 4 | $5.99 | — | No | No | Jun 2026 | |
| 5 | $19.99 | 3.0★ (2) | No | No | Aug 2026 | |
| 6 | Free | 5.0★ (1) | No | No | May 2026 | |
| 7 | Free | 4.8★ (44K) | No | No | Aug 2026 | |
| 8 | $0.99 | 1.0★ (2) | No | No | Jun 2026 |








Calculate pressure loss for a selection of ASHRAE duct fittings. Create projects, customize inputs, and generate reports with spreadsheet attachments. Supports both I-P and SI units and works on iPhone and iPad.



Access ASHRAE information year-round. Stay updated on global conferences and events, connect with the community via social media, and discover resources to support the Society.


Calculate HVAC duct sizes using the constant friction method. Input airflow or dimensions to determine duct sizes, velocity, and friction loss. Supports rectangular, round, and oval ducts with adjustable air temperature and pressure.


Calculate minimum ventilation rates for commercial buildings based on ASHRAE Standard 62.1. Supports 2016 and 2019 versions, offering unlimited project storage and quick field calculations.


This app simplifies lighting control requirements for new and retrofit projects based on ASHRAE Standard 90.1 2010. It organizes information, offers search by application and language, and provides recommended solutions with diagrams and summaries. Access additional design tools and services.


Access real-time and forecasted air quality data for over 500,000 locations worldwide. Understand pollutant levels, receive health recommendations, and track wildfire and pollen information to plan your day safely.


This app provides HVAC technicians with a comprehensive electronic pressure-temperature calculator for over 100 refrigerants. It allows for quick lookups, email sharing of data, and displays detailed refrigerant properties. The app is optimized for iOS devices and includes global city elevation data for accurate atmospheric pressure calculations.


Access HVACR courses, communities, and resources on the go. Stay updated with industry trends and engage with peers. Ideal for professionals and students preparing for certifications and sharpening technical skills.






Remotely manage your Advantage Air e-zone air-conditioning system from any location. Requires an internet-connected e-zone system and initial setup within your home Wi-Fi. Explore dealer options on the Advantage Air website.






Access real-time air quality information for over 5000 cities worldwide. Get pollution alerts, historical data, and health advice based on current conditions. Track your favorite locations or use GPS for automatic updates.




Manage your air conditioner usage in NTU residential halls. Control room temperature, track your e-wallet balance, and top up credits instantly using various payment methods.





