HVAC Duct Size Calculator

HVAC Duct Size Calculator

By Alan Cave

HVAC Duct Size Calculator is a professional design tool that replaces traditional physical ductulators with a digital interface. It provides comprehensive lists of even-sized ducts across various aspect ratios based on user-defined velocity, friction, and volume criteria.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For HVAC design professionals requiring precise duct sizing calculations.

What does it look like?

Key features

Duct Sizing Enginestandard

Calculates velocity, friction, and volume to generate a list of all even-sized ducts meeting specific design criteria.

Aspect Ratio Analysisstandard

Provides multiple duct size options across various aspect ratios for professional review.

Precision Input Interfacestandard

Allows users to adjust values via a keypad interface or precise manual entry, avoiding the use of slider controls.

How much does it cost?

paid

Velocity

Dormant developmentShow more...

3 versions in history. Development pace: zombie.

See all version history

Who built it?

Alan Cave

5 apps tracked · Utilities

Alchemy for Skyrim ®Alchemy for Skyrim ®A NEC® Quick ReferenceA NEC® Quick ReferenceEnchanting for Skyrim ®Enchanting for Skyrim ®A NEC® 2017 Quick ReferenceA NEC® 2017 Quick Reference
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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
5.00 · 1

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for HVAC Duct Size Calculator

How's the Utilities market?

The rivals identified

Baker HVAC Pro+
Baker HVAC Pro+active nemesis

By Watsco, Inc.

Baker HVAC Pro+ includes a duct calculator feature that directly overlaps with the core functionality of HVAC Duct Size Calculator, targeting the same HVAC professional audience.

  • Baker HVAC Pro+ integrates AHRI system matching for equipment procurement, while HVAC Duct Size Calculator focuses exclusively on duct sizing.
  • Baker HVAC Pro+ provides real-time branch inventory visibility, whereas HVAC Duct Size Calculator operates as a standalone design utility.
  • Baker HVAC Pro+ is free for registered professionals, while HVAC Duct Size Calculator requires a $0.99 purchase.
HVAC Duct Size Calculator vs Baker HVAC Pro+
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Unlock the head-to-head verdict: where this rival wins, and where it loses.

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The Analyst's Read

Key takeaways for HVAC Duct Size Calculator

Where is it heading?

Bottom line

This app serves as a digital, high-precision alternative to the traditional ductulator for HVAC design professionals.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by HVAC Duct Size Calculator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “HVAC Duct Size Calculator Intelligence Report.” Updated Apr 24, 2026. https://marlvel.ai/apps/hvac-duct-size-calculator

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