Best apps like HVAC Duct Sizer

10+ similar apps compared and reviewed

4.2 avg rating
8 free apps
Updated July 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#1

Duct Calculator by Pheinex, LLC

Ductulator & Duct Sizer
Editor's Choice
🔧 Utilities
4.5(179 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.

Duct Calculator Elite#2

Duct Calculator Elite by Cyberprodigy LLC

HVAC Ductulator & Duct Sizing
Strong Contender
🔧 Utilities
4.8(225 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.

Digiduct#3

Digiduct by Syska Hennessy Group

Duct-Sizing App
Worth Considering
🔧 Utilities
4.6(11 ratings)
Free
Digiduct screenshot 1
Digiduct screenshot 2
Digiduct screenshot 3
Digiduct screenshot 4
Digiduct screenshot 5

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 HVAC Duct Sizer

4
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
(11)
free
5
LGMV-Business
LGMV-Business
LGMV-Business
by LG Electronics
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
(24)
free
6
Bluon HVAC
Bluon HVAC
Bluon HVAC
HVAC Tools
Free

Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.

500,000+ HVAC unit databaseManuals and part listsAI troubleshooting tool (MasterMechanic)
🔧 Utilities
(4.5K)
ad-supported
7
Ruud
Ruud
Ruud
Connect . Install . Service
Free

This app streamlines HVAC installation, service, and support for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with access to product information, warranty tracking, and dealer locators.

Bluetooth setup and troubleshootingSystem operating parameter monitoringAlarm diagnosis and history
🔧 Utilities
(990)
free
8
Carrier® Service Technician
Carrier® Service Technician
Carrier® Service Technician
by Carrier Corporation
Free

This app helps HVAC/R technicians quickly identify and locate necessary parts for repairs on any equipment, whether for warranty or non-warranty services. It offers advanced tools for troubleshooting, system calculations, and accessing technical documentation, all from the job site.

AI Assistant for troubleshootingSystem Capacity CalculatorIntelligent Equipment Search
🔧 Utilities
(113)
free
9
Ref Tools
Ref Tools
Ref Tools
All-in-one HVACR app
Free

This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.

Refrigerant Slider for P/T calculationsSolenoid valve coil testing toolRefrigeration system troubleshooting guide
🔧 Utilities
(47)
free
10
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop
🔧 Utilities
(1.5K)
free