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DuctRule

App StoreOther business & ops🇺🇸

No liveness check has reached it yet; it is registered on the App Store and has been in the index since 27 Sep 2026. How this is checked

DuctRule calculates round, rectangular, and flat-oval HVAC duct sizes from airflow and friction-rate inputs. It provides velocity ranges for supply, branch, and return runs, suggests stock sizes, and lets users save and share duct-sizing runs.

Inferred · not functionally tested

PaidiOS
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Overview

6 features

Purpose: Sizing HVAC ducts accurately in the field without relying on manual ductulator charts or approximate calculations.

Inferred · not functionally tested

Audience: HVAC contractors, technicians, and mechanical engineers

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: paid · license: Proprietary · platforms: MOBILE · deployment: ios

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: apps.apple.com. These links do not verify the individual claims.

DuctRule is an Other business & ops project. Inferred · not functionally tested: It focuses on sizing HVAC ducts accurately in the field without relying on manual ductulator charts or approximate calculations. Inferred · not functionally tested: It is built as a B2B product for HVAC contractors, technicians, and mechanical engineers. Basis unknown · not verified: DuctRule is paid, starting at $4.99. Basis unknown · not verified: It ships for iOS.

It is developed by Charles Hasse (United States), and it first shipped in 2026. Inferred · not functionally tested: Among its 6 catalogued features are airflow input, friction-rate control, and round duct sizing.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Airflow input
  • Friction-rate control
  • Round duct sizing
  • Rectangular sizing
  • Flat-oval sizing
  • Velocity ranges

Topics: Inferred · not functionally tested

Tags
hvac-duct-sizingairflow-calculationfriction-ratefield-engineering

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
iOS

Trust & compliance

Public signals
HTTPSStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed27 Sep · 06:50 UTC
    DuctRule: HVAC Duct Sizing seen via Apple App Store — New Apps (RSS)
    Source: Apple App Store — New Apps (RSS) · Open

Frequently asked questions about DuctRule

What is DuctRule?
Inferred · not functionally tested: DuctRule focuses on sizing HVAC ducts accurately in the field without relying on manual ductulator charts or approximate calculations. It is catalogued under Other business & ops on PulseGate.
Who should use DuctRule?
Inferred · not functionally tested: DuctRule is a B2B product built for HVAC contractors, technicians, and mechanical engineers.
How much does DuctRule cost?
Basis unknown · not verified: Paid plans start at $4.99.
What platforms does DuctRule run on?
Basis unknown · not verified: DuctRule runs on iOS.
Is DuctRule still active?
Unverified. DuctRule has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to DuctRule?
Similar projects tracked by PulseGate include ASHRAE HVAC Duct Sizer, Duct Calculator Elite, and Ductulator - Duct Sizing.ASHRAE HVAC Duct SizerDuct Calculator EliteDuctulator - Duct Sizing
Who develops DuctRule?
DuctRule is developed by Charles Hasse, based in the United States.
How long has DuctRule been around?
DuctRule first shipped in 2026.

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