HVACsim vs HVAC AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HVACsim
This app offers interactive learning and real-world data analysis to help HVAC professionals diagnose and troubleshoot systems. It provides personalized training plans, skill assessments, and team management tools for contractors.
- Technical Knowledge Evaluator
- Individualized Learning Plans
- Real-World Data Analysis
- Team Management Tools
- Continuous Learning Library
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Master HVAC Skills with the HVAC Simulator App! The HVAC Simulator app revolutionizes training by combining real-world data analysis with interactive learning. Designed for technicians, contractors, and educators, this app helps you build confidence in diagnosing and troubleshooting HVAC systems efficiently. Key Features Technical Knowledge Evaluator Assess your HVAC skills through realistic scenarios. Identify gaps in understanding and get targeted recommendations. Individualized Learning Plans (ILP) Personalized training paths tailored to your specific needs. Evolve and reassess as you progress, ensuring continuous improvement. Real-World Practice Analyze system data like electrical readings, pressures, and temperatures. Simulate real-life scenarios in a risk-free environment. Team Management Tools (for Contractors) Assess and track your team’s technical knowledge. Create custom in-house training programs based on performance data. Continuous Learning Stay updated with new HVAC technologies and techniques. Access a library of courses covering both basics and advanced topics. Why Choose HVAC Simulator? Build diagnostic accuracy with data-driven learning. Strengthen critical thinking and troubleshooting skills. Reduce callbacks with more efficient team training. Interactive and engaging simulations for practical learning. For Technicians: Boost your confidence and master HVAC diagnostics through hands-on scenarios. For Contractors: Empower your team with tools to create stronger, more skilled technicians. For Educators: Enhance classroom learning with real-world-focused training resources. Download HVAC Simulator Now and Start Your Journey to HVAC Mastery! Transform the way you learn, train, and excel in the HVAC industry today!
HVAC AI
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HVAC AI is the all-in-one app for HVAC technicians, engineers and students. Diagnose faults, read error codes, calculate refrigerant values, and replace your old laminated PT chart with the Refrigerant Slider AI. Carry one professional HVAC toolbox in your pocket instead of juggling manuals, charts and separate apps. DIAGNOSE FAULTS IN MINUTES Scan the unit, enter refrigerant pressures or temperatures, and capture key readings. In seconds the app delivers probable causes, step-by-step repair instructions and preventive maintenance tips. From refrigerant charge problems in heat pumps to airflow and wiring errors in VRF systems, HVAC AI cuts the guesswork on every service call. SMART HVAC TOOLS Refrigerant Slider AI (digital PT chart) for dozens of refrigerants, including R22, R410A, R32, R134a and R1234yf. Superheat and subcooling calculators to charge precisely and protect compressors. Smart wiring simulator to validate diagrams before energizing. Universal HVAC remote to control multiple air conditioner brands. Carbon tracker and energy optimizer to cut energy use. NEW: INTERACTIVE HVAC SIMULATOR Practice on a full refrigeration cycle simulator with compressor, condenser, evaporator and expansion valve. Change the refrigerant, adjust the setpoint and watch the system respond in real time. Perfect for students, apprentices and technicians who want to master the cycle without risking real equipment. NEW: LEARNING PATH AND CALCULATORS Follow a gamified HVAC learning path with levels, quizzes, practice tests and achievements, and prepare for certification exams. The built-in calculators cover BTU, cooling and heating load, airflow, CFM, tonnage, duct sizing and refrigerant charge, so you always have the right number on site. NEW: PRO QUOTE BUILDER Create professional quotes and PDF service reports from the field in seconds. Use the scanner and QR codes to track each unit, capture the client's digital signature, and share by message instantly. Multi-currency support helps you quote anywhere. 24/7 AI TECHNICAL SUPPORT The built-in AI assistant interprets error codes, guides superheat and subcooling adjustments, helps with wiring and sensor calibration, and recommends efficiency improvements tailored to the system. WHY CHOOSE HVAC AI Diagnose faults in minutes, not hours. Replace paper PT charts with the Refrigerant Slider AI. Calculate superheat and subcooling accurately. Train on the interactive simulator and learning path. Run professional calculators for any job. Quote and report like a pro from the field. FOR HVAC PROFESSIONALS EVERYWHERE HVAC AI adapts to residential, commercial and industrial work: split systems, multi-split, VRF and rooftops, walk-in coolers, freezers and supermarket refrigeration, furnaces and heat pumps. Whether you install, repair or maintain air conditioning and refrigeration systems, HVAC AI gives you the diagnostics, tools, simulator, training and quoting you need. WORKS FOR EVERY MAJOR BRAND Look up fault codes and service guidance for Daikin, Carrier, Trane, Rheem, York, Mitsubishi, LG, Samsung and more. The brand code database keeps growing with every update, so the answer you need is ready when you are on site. BUILT FOR THE FIELD Most tools work without a signal, so you can calculate, check the PT chart and run the simulator in basements, rooftops and mechanical rooms. Large inputs and clean layouts mean less tapping and more working. HVAC AI is designed to be fast, reliable and genuinely useful on a real job, not just in the office. Download HVAC AI today and transform the way you diagnose, repair, learn, quote and optimize HVAC systems.
Screenshots
Verdict
The clearest difference is update cadence: HVACsim at every 2 months against HVAC AI's every 12 months. HVACsim also leads on iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. HVACsim sells 1 one-off in-app purchase and HVAC AI sells 4 in-app purchases, starting at $5.69 per 7 days. Whichever you choose, the download price is not the number that matters.
HVACsim ships an update every 2 months, HVAC AI every 12 months. The most recent releases landed on September 20, 2026 and August 15, 2026 respectively.
| Parameter | HVACsim | HVAC AI |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (10 ratings) — better | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 390 MB |
| Age rating | 4+ | 4+ |
| Developer | Nauman Innovation Group LLC | RODRIGO DIAZ |
In-app purchases
HVACsim
- Full Access$29.99
HVAC AI
- Weekly Offer$5.697 Days
- Weekly$5.697 Days
- Annual Offer$46.491 Year
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- Annual Subscription3 Days trial$57.901 Year





