Best HVAC Duct Sizer alternatives: apps like HVAC Duct Sizer

10+ similar apps compared and reviewed

4.1 avg rating
8 free apps
Updated November 2026

HVAC Duct Sizer 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 HVAC Duct Sizer

Duct Calculator Elite#1

Duct Calculator Elite by Cyberprodigy LLC

HVAC Ductulator & Duct Sizing
Editor's Choice
🔧 Utilities
4.8(234 ratings)
$9.99
Duct Calculator Elite screenshot 1
Duct Calculator Elite screenshot 2
Duct Calculator Elite screenshot 3
Duct Calculator Elite screenshot 4
Duct Calculator Elite screenshot 5

This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.

Duct Calculator#2

Duct Calculator by Pheinex, LLC

Ductulator & Duct Sizer
Strong Contender
🔧 Utilities
4.5(189 ratings)
$19.99
Duct Calculator screenshot 1
Duct Calculator screenshot 2
Duct Calculator screenshot 3
Duct Calculator screenshot 4

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.

More apps like HVAC Duct Sizer

4
Digiduct
Digiduct
Digiduct
Duct-Sizing App
Free

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.

Duct sizing for rectangular, round, and flat oval ductsCustomizable dimensions with locked valuesDuct location intelligence for context-aware sizing
🔧 Utilities
(11)
ad-supported
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
(36)
free with in-app purchases
6
LGMV-Business
LGMV-Business
LGMV-Business
by LG Electronics, Inc.
Free

This application allows air conditioning service engineers to monitor LG air conditioner product status, diagnose issues, and interpret refrigeration cycles. It provides real-time data, graphical representations, and troubleshooting guides to assist in problem-solving.

Monitor air conditioner statusView pressure and frequency graphsControl indoor unit operation
🔧 Utilities
(25)
free
7
Carrier® Service Technician
Carrier® Service Technician
Carrier® Service Technician
by Carrier Corporation
Free

This app provides HVAC/R technicians with tools for managing sites and identifying parts. It offers features for both residential and commercial services, including AI-powered troubleshooting, equipment lookup, and offline data caching for areas with no signal.

AI Assistant for troubleshootingEquipment and parts identificationSite and job management
🔧 Utilities
(108)
free
8
Bryant® Service Technician
Bryant® Service Technician
Bryant® Service Technician
by Bryant Heating & Cooling
Free

This app helps HVAC/R technicians identify and locate necessary parts for repairs, both for warranty and non-warranty work on any equipment brand. It offers tools for system capacity calculation, product registration, and accessing technical literature, with an AI assistant for troubleshooting.

AI Assistant for troubleshootingIntelligent equipment searchParts identification and cross-reference
🔧 Utilities
(38)
free
9
Ruud
Ruud
Ruud
Connect . Install . Service
Free

This app simplifies HVAC installation, service, and troubleshooting for contractors. It offers Bluetooth® connectivity for system setup, diagnostics, and parameter monitoring, along with access to product manuals, warranty information, and retailer locations.

Bluetooth® setup and monitoringSystem diagnostics and alarm historyStep-by-step parts replacement
🔧 Utilities
(1.1K)
free
10
Bluon HVAC
Bluon HVAC
Bluon HVAC
HVAC Tools
Free

Access a vast database of HVAC-R and plumbing unit documentation, including specs, manuals, and replacement parts. Get AI-powered troubleshooting and connect with live veteran technicians for support.

35,000,000+ HVAC unit databaseModel specs, age, and warranty infoOriginal parts and replacement options
🔧 Utilities
(4.5K)
ad-supported