Best HVAC Formulas Tech Calculator alternatives: apps like HVAC Formulas Tech Calculator

10+ similar apps compared and reviewed

4.6 avg rating
8 free apps
Updated October 2026

Looking for something like HVAC Formulas Tech Calculator? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to HVAC Formulas Tech Calculator

Allday HVAC Calc#1

Allday HVAC Calc by Dmitrii Pankov

Duct, Pipe & Psychrometrics
Editor's Choice
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
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This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.

5.0(1 ratings)
Free
Duct Calculator S&P screenshot 1
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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.

More apps like HVAC Formulas Tech Calculator

4
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
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free with in-app purchases
5
Blue Cold Heat Load Calculator
Blue Cold Heat Load Calculator
Blue Cold Heat Load Calculator
by Blue Cold Refrigeration Private Limited
Free

Accurately calculate the cooling capacity needed for cold rooms, storage, and freezers. Input room details, insulation, temperatures, and product information for precise, data-driven recommendations. Generate shareable PDF reports for your projects.

Calculate cooling capacityInput room dimensions and insulationDetermine optimal pressure requirements
🔧 Utilities
(1)
free
6
HVAC Hero
HVAC Hero
HVAC Hero
by HVAC Hero
Free

This app provides HVAC professionals with AI-powered instant answers, a comprehensive resource library, and NFC tag scanning for quick access to manuals and warranty information. It aims to enhance efficiency and accuracy in field service.

AI Chatbot for technical questionsComprehensive HVAC resource libraryNFC tag scanning for unit information
🔧 Utilities
(3)
free
7
Duct Calculator Elite
Duct Calculator Elite
Duct Calculator Elite
HVAC Ductulator & Duct Sizing
$9.99

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.

Calculate duct size, velocity, pressure drop, flow rateDuct Size by Airflow modeDuct Size by Dimension mode
🔧 Utilities
(234)
paid
8
P3 HVAC Software Phone App
P3 HVAC Software Phone App
P3 HVAC Software Phone App
by HVAC Business Solutions, LLC
Free

This comprehensive tool helps residential HVAC companies manage operations, boost revenue, and enhance customer service. It offers real-time scheduling, customer history access, and automated call handling to streamline business processes.

Real-time schedulingCustomer managementCall answering & outbound booking
🔧 Utilities
(4)
free
9
Installer App
Installer App
Installer App
Essential HVAC tools
Free

This app provides HVAC professionals with a digital toolbox for everyday tasks. It offers product information, installation guides, and advanced features to streamline work, including project management and hydronic balancing tools.

Radiator PresettingProduct FinderMy Projects (Cloud-based)
🔧 Utilities
(7)
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10
Duct Calculator
Duct Calculator
Duct Calculator
Ductulator & Duct Sizer
$19.99

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.

Size round and rectangular ductworkAdjust airflow, diameter, width, and heightDirect number entry for precision
🔧 Utilities
(189)
free