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.






224+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our ashrae dfdb lite list covers 224+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | โ | No | No | Jul 2026 | |
| 2 | Free | 4.8โ (17K) | No | No | Jul 2026 | |
| 3 | Free | 4.2โ (816) | No | No | Jul 2026 | |
| 4 | Free | 4.3โ (75K) | No | No | Jul 2026 | |
| 5 | Free | 3.1โ (545) | No | No | Jul 2026 | |
| 6 | Free | 4.7โ (24K) | No | No | Jul 2026 | |
| 7 | Free | 4.9โ (19K) | No | No | Jul 2026 | |
| 8 | Free | 4.7โ (28K) | No | No | Jul 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.






This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.





Control and monitor your HVAC or grow environment with intelligent ventilation. Access advanced programming, view real-time environmental data, and receive customizable alerts for optimal control.


Remotely monitor and control your home's heating and cooling system from anywhere. Adjust schedules, set temperatures, and receive alerts for your connected thermostats. Offers weather forecasts and multi-location management.


Access real-time and forecasted air quality data for your local area and any other location. Plan your day and protect your health by understanding current air conditions.


Control Midea smart air products remotely for comfort, efficiency, and safety. Customize sleep settings and schedule automatic operation. This app offers a new user experience with special functions and interactive design.


Manage your electricity account with detailed usage tracking, bill payment, and smart home device integration. Monitor electricity, solar, and EV usage, receive alerts, and adjust your thermostat remotely. Access account essentials and get 24/7 customer support.


Remotely monitor and control your Daikin, Amana, and Goodman heating and cooling systems from anywhere. Manage multiple locations, adjust settings, and receive important system notifications and energy usage insights.


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.


Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.


This app provides Daikin service contractors with instant access to all technical and service information for Daikin products. It includes product specifications, manuals, error code troubleshooting, interactive field settings, and service videos. The app works online and offline, syncing data automatically for the latest updates.


Control your smart air conditioner remotely for comfort, efficiency, and safety. Customize sleep settings and schedule automatic operation. This app connects to smart Wi-Fi modules and cloud services for enhanced air quality management.


Control your home's air quality remotely with this app. Adjust temperature, humidity, and freshness, and receive alerts for air quality events. Manage multiple devices and schedules for optimal comfort and energy savings.


Automate your home for enhanced comfort, security, and awareness. This app simplifies control of connected devices, aiming to create a smarter, more comfortable living environment while contributing to a healthier planet.


This app calculates HVAC/R system performance and aids in troubleshooting. It offers a wide selection of refrigerants and equipment profiling for various common systems.


Control your air conditioning system remotely from your iPhone, iPad, or Apple Watch. Adjust temperature, fan speed, and modes, and receive important alerts. Supports multiple users and is optimized for various devices.


Manage your home's air quality with smart filter and purifier control. Receive personalized tips, alerts for filter replacement based on usage, and monitor outdoor air quality trends.


This app helps HVAC/R technicians quickly identify and locate necessary parts for repairs on any equipment, whether for warranty or non-warranty services. It offers advanced tools for troubleshooting, system calculations, and accessing technical documentation, all from the job site.


This app streamlines building management for staff and managers. It allows for efficient tracking of deliveries, maintenance requests, and resident information. Enhance team communication and ensure data security with features like offline work and signature capture.


Monitor and control your indoor air quality in real-time. Gain insights and manage your environment effectively with intelligent features, whether you're at home or away. Experience healthier living through advanced air care.