Best HVACsim alternatives: apps like HVACsim

10+ similar apps compared and reviewed

4.1 avg rating

10 free apps

Updated November 2026

Nauman Innovation Group LLC

📊 Productivity

HVACsim 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 HVACsim

#1

HVAC AI: Tools & Simulator by RODRIGO DIAZ

AI Tools for PLC Diagnostics

Editor's Choice

1.0(2 ratings)

FreeIn-App Purchases

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This app provides HVAC technicians with AI-powered diagnostic tools, a refrigerant slider, calculators, and a simulator. It helps diagnose faults, calculate values, and create professional quotes, all from a mobile device.

#2

InspectorIQ by InspectorIQ LLC

Scan. Decode. Inspect.

Strong Contender

4.3(6 ratings)

FreeAdsIn-App Purchases

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Instantly identify HVAC and water heater equipment using your camera. This tool decodes serial numbers, offers AI-powered guidance for repairs, and suggests local professionals, saving you valuable time in the field.

#3

HVAC Hero by HVAC Hero

Worth Considering

4.7(3 ratings)

Free

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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.

More apps like HVACsim

HVAC Motor Solutions

HVAC Motor Solutions

HVAC Motor Solutions

by Regal Rexnord Corporation

This app provides HVAC technicians with tools and resources for motor replacement. It includes a cross-reference finder, a 'where to buy' function, and a motor selector. Training materials like video tutorials and installation guides are also available.

Cross-reference replacement finderWhere to buy functionMotor selector tool

Compare with HVACsim

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)

Compare with HVACsim

Duct-Sizing App

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

Compare with HVACsim

Ductulator - Duct Calculator

Ductulator - Duct Calculator

Ductulator - Duct Calculator

HVAC Airflow Sizing & Design

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

free with in-app purchases

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Refrigeration.AI

Refrigeration.AI

Refrigeration.AI

Intelligent Refrigeration

This application uses AI to help manage and optimize refrigeration systems. It provides guidance on system sizing, safety, regulations, and educational resources to improve efficiency and reliability.

AI-driven system optimizationManuals and regulations librarySafety procedures guidance

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by Daikin Airconditioning UK Ltd

This app assists service engineers in the air conditioning industry with Daikin VRV, Altherma, Split, and Sky Air equipment. It provides tools for fault finding, including fault codes, refrigerant calculations, and diagnostic checks. The application also supports outdoor unit settings and operational procedures.

Fault code lookupAdditional charge calculationsPCB dip switch settings

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HVAC Load Calculator Manual J

HVAC Load Calculator Manual J

HVAC Load Calculator Manual J

AC, Heat Pump & Furnace Sizing

This app provides professional HVAC load calculations for contractors, offering three levels of accuracy from quick estimates to detailed Manual J calculations. It's designed for field use with an intuitive interface, offline capabilities, and professional report generation.

Multiple accuracy levels (Simple, Moderate, Pro)Offline-ready calculationsProfessional PDF report generation

free with in-app purchases

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