Best Duct Calculator Elite alternatives: apps like Duct Calculator Elite

10+ similar apps compared and reviewed

4.3 avg rating
6 free apps
Updated October 2026

Duct Calculator Elite is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Duct Calculator Elite

Duct Calculator#1

Duct Calculator by Pheinex, LLC

Ductulator & Duct Sizer
Editor's Choice
🔧 Utilities
4.5(189 ratings)
$19.99
Duct Calculator screenshot 1
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This app allows HVAC professionals to quickly and accurately size new ducts or calculate the performance of existing ones. It supports both round and rectangular ductwork, offering precise calculations through direct entry or intuitive sliders. The tool provides live updates and outputs key performance metrics.

HVAC Duct Sizer#2

HVAC Duct Sizer by Carmel Software Corporation

HVAC duct sizing and more...
Strong Contender
🔧 Utilities
3.1(9 ratings)
$4.99In-App Purchases
HVAC Duct Sizer screenshot 1
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This app provides quick and simple HVAC duct sizing analysis. It allows users to calculate duct dimensions based on airflow or existing dimensions, and can also determine a range of duct sizes. Results can be emailed for further analysis.

Digiduct#3

Digiduct by Syska Hennessy Group

Duct-Sizing App
Worth Considering
🔧 Utilities
4.6(11 ratings)
Free
Digiduct screenshot 1
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This HVAC tool assists professionals with duct sizing calculations based on ASHRAE standards. It supports multiple duct shapes and offers intelligent features to ensure accurate and reliable designs for real-world scenarios.

More apps like Duct Calculator Elite

4
AI Ductulator
AI Ductulator
AI Ductulator
by pasquale dipaola
$3.99

This application serves as a duct sizing calculator for HVAC professionals and enthusiasts. It provides quick and accurate calculations for duct dimensions based on various parameters.

Duct sizing calculationsHVAC parameter inputAccurate dimension results
🔧 Utilities
(9)
paid
5
Ductulator - Duct Calculator
Ductulator - Duct Calculator
Ductulator - Duct Calculator
HVAC Airflow Sizing & Design
Free

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

Duct sizing for round, rectangular, and flexible ductsFittings pressure drop calculationPsychrometric analysis with interactive chart
🔧 Utilities
(35)
free with in-app purchases
6
IN HVAC Calculator
IN HVAC Calculator
IN HVAC Calculator
HVAC Calculator & Reference
Free

This app provides HVAC inspection tools and guidelines for home inspectors. It helps estimate equipment age, size, and requirements, giving inspectors confidence in their reports.

Equipment circuit requirements calculatorAC tonnage estimation by model numberHVAC manufacture date lookup
🔧 Utilities
(10)
free
7
Duct Calculator S&P
Duct Calculator S&P
Duct Calculator S&P
by S&P SISTEMAS DE VENTILACION SL.
Free

This utility app performs essential calculations for ventilation systems. It offers tools for converting duct sizes, determining air parameters like speed and airflow, and calculating pressure drops. It also includes a unit converter for various measurements.

Diameter conversion (circular to rectangular)Ventilation parameter calculation (diameter, speed, airflow, pressure)Pressure drop calculation for straight sections and system elements
🔧 Utilities
(1)
free
8
HVAC Decoder
HVAC Decoder
HVAC Decoder
HVAC Decoder
$9.99

Decode HVAC model and serial numbers from major brands. This utility app provides thousands of model numbers and can email search results. It supports a wide range of HVAC equipment and offers close matches for unknown numbers.

Decode HVAC model numbersDecode HVAC serial numbersSupports major HVAC brands
🔧 Utilities
(28)
paid
9
AC Calculator - HVAC Sizing
AC Calculator - HVAC Sizing
AC Calculator - HVAC Sizing
Air conditioner or Heat Pump
Free

This utility app simplifies HVAC sizing by calculating BTU/h capacity and recommending equipment. It offers unit conversions, price estimates, and energy consumption comparisons. Advanced features can be unlocked via in-app purchases.

Calculate BTU/h capacityRecommend equipment typesConvert BTU, kW, Kcal, Tons
🔧 Utilities
(20)
free with in-app purchases
10
HVAC & Sheet Metal Calculator
HVAC & Sheet Metal Calculator
HVAC & Sheet Metal Calculator
Construction Math & Trade Pro
Free

This app provides advanced calculations for HVAC and sheet metal professionals. It simplifies complex dimensional math, geometry, and trigonometry with specialized functions for ducting, airflow, and construction layouts. Offers a free trial before committing to a subscription.

Sheet metal calculations (radius, offset, wrapper length)Trigonometric functions (sine, cosine, tangent, arc)HVAC specific calculations (fan law, CFM, velocity)
🔧 Utilities
(87)
free with in-app purchases