---
title: "ASHRAE DFDB Lite — App Overview"
url: https://marlvel.ai/intel-report/business/ashrae-dfdb-lite
category: Business
developer: ASHRAE, Inc.
platforms: ios
rating: 1.0 (1 ratings)
pricing: free
report_level: overview
generated: 2026-04-30
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as a portable, simplified reference tool for performing specific ASHRAE-compliant duct fitting pressure loss calculations.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Business |
| Rating | 1.0 ★ (1) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 6.80 |
| Developer | ASHRAE, Inc. |

<!-- SECTION: Summary -->
## What is ASHRAE DFDB Lite?

ASHRAE DFDB Lite is a specialized engineering tool that enables users to perform pressure loss calculations for a subset of ASHRAE-standard duct fittings. It allows for project-based data management and provides exportable reports with spreadsheet attachments for further desktop analysis.

<!-- SECTION: Key Features -->
## Key Features

- **Pressure Loss Calculations**: Calculates pressure loss for a specific subset of 14 supply, common, and return/exhaust fittings from the 2021 ASHRAE Handbook.
- **Project Management**: Supports the creation of individual projects with unique input parameters and calculation results.
- **Customizable Parameters**: Allows users to adjust minimum and maximum allowable values for input parameters.
- **Reporting and Export**: Generates and emails reports that include spreadsheet attachments for external analysis in both I-P and SI units.

<!-- SECTION: Target Audience -->
## Who is it for?

HVAC engineers and professionals requiring standardized pressure loss calculations for duct fittings.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/ashrae-dfdb-lite/id6475053772?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/business/ashrae-dfdb-lite)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/business/ashrae-dfdb-lite).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*