Home › Education
Information
Preview 2 platforms
iPhone 3 images
iPad 5 images
What’s New Version 1.3.4(60)
new testo connection and fielfpiece tools connection
Description
Maestro HVACR is the #1 Spanish-language HVAC certification and tools app. Developed by ACVOLT Tech School with 20+ years training certified technicians in Colton, California.
STUDY AND GET CERTIFIED
• 3,500+ practice questions for EPA 608 (Core, Type I, II, III)
• Complete NATE certification preparation
• Practice exams with timer
• OSHA 10 and OSHA 30 study material
FIELD TOOLS
• Bluetooth connection with Fieldpiece manifold (SMAN series)
• Live pressure and temperature readings
• Subcooling and superheat calculator
• AI-powered Manual J — room-by-room thermal load
• Walk-in Coolers and Freezers sizing
MAESTRO MARIO AI
• 24/7 AI tutor with 2,500+ answered questions
• Answers in Spanish and English
COMMUNITY AND CHALLENGE
• Compete in real time with other students
• Live audio group study sessions
• Bilingual interface and progress tracking
Free to download with limited access. Developed by ACVOLT Tech LLC.
PREMIUM SUBSCRIPTION
• Maestro HVACR Premium — $59.99 USD/month
• 1 month auto-renewable · 14-day free trial
• Unlocks all pro tools, unlimited exams, Maestro Mario AI, live classes, and AI-powered Manual J.
AUTO-RENEWAL TERMS
Payment is charged to your Apple ID upon purchase confirmation. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Renewal is charged within 24 hours
prior to the end of the current period. You can manage or cancel your subscription in your App Store account settings. Any unused portion of a free trial period is forfeited when a subscription is purchased.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://maestrohvacr.com/privacy.html
Capabilities
In-App Purchases
Accessibility
ipadiphonemacrealityDevicetvoswatch
Version history 5 versions
Build 886332657v1.3.4(60)2026-05-31 01:55:29
new testo connection and fielfpiece tools connection
Build 886205456v1.2.5(57)2026-05-28 03:45:13
new updated app with testo and fieldpiece connectivity plus an integrated AI report with diagnostics for the Custumer
Build 885932124v1.1.4(35)2026-05-21 13:34:23
new and updated security measures and also new tools like note taker, journal pro to track miles and a new mode how much should I charge!
Build 885678077v1.0.12 (33)2026-05-14 20:46:02
Maestro HVACR is the most complete app for HVAC technicians in the United States. Built by techs, for
techs who want to earn more, get certified, and master the trade.
OFFICIAL CERTIFICATIONS
• EPA 608 — Universal, Type I, II, III
• NATE — Core, Air Conditioning, Heat Pumps, Gas Heating
• OSHA 10 and OSHA 30
• Maestro PRO — bilingual prep structured in 6 phases
10,000+ PRACTICE QUESTIONS
The largest Spanish-language HVAC question bank, also in English. Every question includes a detailed
explanation of why the correct answer is right. Challenge Mode features tricky questions that train
you to think like a master tech, not just pass a generic exam.
PROFESSIONAL FIELD TOOLS
• Superheat / subcooling charge calculator
• Digital manometer with P-T chart
• Psychrometer (wet bulb, RH, dew point)
• Refrigerant scale
• Vacuum decay test
• Leak rate calculator
• Maestro Bender (duct offset calculator)
• Duct Designer (CFM, velocity, friction)
• Anemometer, Multimeter
• Residential and commercial install sizing
SERVICE CALLS AND DIAGNOSTICS
20+ structured diagnostic modules:
• Residential AC service
• Residential AC service
• Commercial RTU service
• Walk-in and reach-in refrigeration
• Ice machines
• Hot side / food service equipment
• Transport refrigeration
• Gas, electric, and oil heating
• Mini-split and central heat pumps
Each module includes structured intake, BLE instrument integration (Fieldpiece), step-by-step
checklist, and AI-powered automatic invoice generation.
LIVE CLASSES
Weekly sessions with Maestro Mario. Real-time Q&A, hands-on equipment demos, field case studies.
Automatic push notifications when class starts.
MAESTRO MARIO AI
Bilingual 24/7 tutor. Asks questions in real exam format, provides step-by-step explanations, adapts
to your level. Replaces a human instructor when you need help at 2am the night before your exam.
TECHNICIAN CHAT
Connect with other techs live by voice. Listen to conversations, share tips, get help from those who
already passed certification.
MARKETPLACE AND JOBS
• Verified tech-to-tech buy and sell
• HVAC job board
• Connect with hiring companies
WORK JOURNAL
Track your day: clock in, clock out, breaks, time per job, automatic invoice generation. Export
reports for taxes.
CHAKA SCANNER
Scan data plates with your camera. Extracts serial, model, refrigerant, and electrical specs
automatically.
SPANISH SUPPORT
Customer service in Spanish. Bicultural team based in Texas. We solve technical and app questions via
WhatsApp.
START FREE
Free download. 30 days of full VIP access without a credit card. After, monthly subscription
cancelable any time.
Maestro HVACR was built by Acvolt Tech School in Texas. Over 700 Hispanic HVAC techs are already on
the app preparing for certification and growing their careers. Join them.
Build 884295957v1.02026-05-10 20:15:29
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 16 | 5.0 | 1.3.4(60) |
Change log 8 changes · US
✎
releaseNotes updated
new testo connection and fielfpiece tools connection
✎
description updated
Maestro HVACR is the #1 Spanish-language HVAC certification and tools app. Developed by ACVOLT Tech School with 20+ years training certified technicians in Co
✎
name updated
maestrohvacr
◆
Version 1.3.4(60) released
new testo connection and fielfpiece tools connection
◆
Version 1.2.5(57) released
new updated app with testo and fieldpiece connectivity plus an integrated AI report with diagnostics for the Custumer
◆
Version 1.1.4(35) released
new and updated security measures and also new tools like note taker, journal pro to track miles and a new mode how much should I charge!
◆
Version 1.0.12 (33) released
Maestro HVACR is the most complete app for HVAC technicians in the United States. Built by techs, for
techs who want to earn more, get certified, and master the trade.
OFFICIAL CERTIFICATIONS
• EPA 608 — Universal, Type I, II, III
◆
Version 1.0 released