Greenheck Toolbox

Name: Greenheck Toolbox
Rating: 3 (3 reviews)
Author: Greenheck

By: Greenheck

Utilities

Features & Capabilities

Greenheck’s Toolbox includes a Fan Law Calculator and a Ductulator App. To use the Fan Law Calculator, input existing rpm, cfm, static pressure, and horse power. Modify any one measurement and the remaining three calculate. Greenheck’s Ductulator app allows you to quickly and easily size HVAC duct. Input your duct shape, rounded dimension, air temperature, elevation and select roughness. Next determine sizing by airflow or dimensions, select velocity or friction factor, input your volume, velocity, aspect ratio and calculate. Your results will be displayed.

User Growth & Download Statistics

App

By:

Greenheck

Rating:

3.00

(3)

Version:

1.5 Last updated: 2015-11-13

Version code:

841413018

Creation date:

2012-05-18

Compatible devices:

Size:

2.21MB

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-06

Compare stats and ranking:

Ranking

# 771,735 ▼ 9,748

For Developers

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Contact the developer

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Developed by:

Greenheck

Apple Apps Store

https://apps.apple.com/us/app/greenheck-toolbox/id526779916

User Reviews

Tried to use the app today (7-12-20) and it doesn’t work.

by Hi*****, 2020-07-13

I mainly use this app for its ductulator feature. It works most of the time but the app does have its bugs. Lately, the app will crash when selecting to size the duct through the airflow and friction factor parameters. It is the friction factor parameter that causes the app to crash. The app is not reliable but it's great for a quick reference when it works.