La Trinidad del Oficio is an Other program offered by ACVOLT Tech School in Colton, CA. The program takes 12 months — weekends, 8 hours per week to complete.
Program Overview
La Trinidad del Oficio is a 12-month in-person program in Colton, CA, in three four-month blocks: residential and commercial electricity; residential and commercial refrigeration with walk-in coolers and freezers; and commercial HVACR.
The September 2026 cohort. Starts September 19, 2026. Duration: 12 months, ending September 19, 2027 (subject to holiday adjustments). Enrollment is open.
Current progress. The first two electrical theory classes were taught on the opening weekend, September 19 and 20, 2026. The electricity block continues from September 26, 2026. "We begin with general electrical installation information, an introduction to the NEC (National Electrical Code), and definitions. The instructor specifies the code edition used in class."
The electrical block. "Four-month block of La Trinidad del Oficio. Learn to interpret plans and work on residential and commercial electrical installations."
What sets this Program apart
The most complete path from scratch. The in-person career in Colton: "Learn in the school workshop with real equipment and an instructor by your side. This is the most comprehensive path for starting from scratch."
Three trades in one program. Electricity, refrigeration and commercial HVACR, four months each, ending with commercial packaged units, economizers and VRF and an HVACR capstone project.
Assessed on real work. "Each block begins with an initial assessment. Your activities are reviewed throughout the block, and you complete a comprehensive assessment at the end. Practical work takes place in the workshop, with equipment, materials and instructor supervision."
A published class calendar. The program page publishes the upcoming classes module by module, with a downloadable calendar (.ics).
Recorded classes of the electrical block. 485 video lessons (79 hours of real classes) with quizzes, a workbook and subtitles; the school confirms which video courses your career enrollment includes.
Admission Requirements and Process
Enrollment is with the school. "Enrollment open: call the office at (909) 824-4849 or message an advisor on WhatsApp." Enrollment in in-person programs is handled by the school.
Previous experience. "It depends on the program. Tell us about your experience and the area that interests you before choosing."
Before you enroll. Tell the school whether you're starting out or already working in the trade; admissions must confirm the entry level, documents and tools needed for your chosen group. Confirm included courses, practice sessions, exams, access duration and certifications before paying.
Which cohort. The February 2026 cohort is under way and no longer admits new students; new students enroll in the current September 2026 cohort.
General Requirements
- Tell admissions where you are starting fromTell the school whether you're starting out or already working in the trade; admissions must confirm the entry level, documents and tools needed for your chosen group.
- Previous experience depends on the programTell the school about your experience and the area that interests you before choosing.
- Confirm what your enrollment includesConfirm the included courses, practice sessions, exams, access duration and certifications before paying.
- Enroll in the current cohortThe February 2026 cohort no longer admits new students; enrollment is for the September 2026 cohort.
Application Process
- 1Talk to an advisorEnrollment in the in-person programs is handled by the school: call the office at (909) 824-4849 or message an advisor on WhatsApp.
- 2
- 3Confirm your enrollmentConfirm the price, calendar, requirements and what the program includes (courses, practice sessions, exams and certifications) before paying.
- 4Join the weekend classesClasses run Saturdays and Sundays from noon to 4:00 p.m. California time, 8 hours per week.
Program Schedule
Weekends only. Saturdays and Sundays from noon to 4:00 p.m., California time. No weekday classes. 8 hours per week.
Program blocks.
- 19 Sep 2026–18 Jan 2027: Residential and commercial electricity · 4 months
- 19 Jan 2027–18 May 2027: Residential and commercial refrigeration, walk-in coolers/freezers · 4 months
- 19 May 2027–18 Sep 2027: Commercial HVACR · 4 months
- 19 Sep 2027: Program completion
Each weekend. The published class calendar pairs Saturday's theory and guided application with Sunday's cases, review and evidence.
Holidays. The schedule may change for holidays: Thanksgiving weekend, Christmas, New Year and July 4.
Required Courses
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Campus Location
Why Accreditation Is Important
Attending an accredited school means its training has been reviewed against independent standards.
This school: ACVOLT Tech School does not state an institutional accreditation or a state approval on its website. It lists NCCER (accredited school) — ACVolt Electrical Inc., Accredited Training Sponsor since 2022 — and says it is an approved school that administers the EPA 608 and A2L certification exams.
- A reliable indicator of educational quality
- Reviewed against independent standards
- Recognized by employers and licensing boards
Cost of Attendance and Financial Aid Information
Tuition is published only as a monthly rate. The school prints "Tuition: $1,250 USD per month (in-person program in Colton, CA)" and publishes no program total, registration fee or other cost for this program, so this listing shows none. "Tell us you're interested in [the career] and your preferred format. We'll confirm pricing, schedules and start dates before you enroll."
Official certifications are separate. Official certifications (EPA, NATE, OSHA, NCCER) cost $599 separately, and official certifications and in-person hands-on training are purchased separately through the school.
Memberships are not the program. The $149 per month website membership gives access to prerecorded web classes, without certificates or certifications.
Financial aid. The school's website publishes no financial aid, grants or loans and no federal school code.
Curriculum
The monthly syllabus runs twelve modules, five topics each. Each module is assessed by "worksheet, case explanation and measurement record, design or demonstration depending on the topic."
Electricity (months 1–4). Fundamentals and safety; residential installations; commercial installations; residential and commercial integration, ending in an electrical capstone project.
Refrigeration (months 5–8). Fundamentals and residential systems; residential and commercial systems; walk-in coolers; walk-in freezers.
HVACR (months 9–12). Calculations and selection; installation and performance; ducts, airflow and sheet metal, including plenum box fabrication; commercial packaged units, economizers and VRF, ending in an HVACR capstone project.
Online membership participants. "Online membership participants complete cases and assignments; workshop practice takes place in person."
Required Courses
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Career Outcomes
Three careers. The school teaches three trades: HVAC — air conditioning and heating: installation, diagnostics and service; Refrigeration — residential and commercial: refrigeration cycle, cold rooms, ice machines and A2L refrigerants; and Electrical — residential and commercial electrical installations: fundamentals, plans, conductors, raceways, panels and protection.
Official certifications. "We prepare you in class, and you take the official exam at our school. You receive your credential." The school lists HVAC Excellence, ESCO (includes EPA 608), NATE, OSHA through CareerSafe and NCCER. The office confirms requirements, cost and the next exam date.
On your résumé. Use the exact title and an issuer verification link when available, and add only credentials you have already earned. "A Maestro HVACR course certificate and a credential issued by an external organization are different documents."
No outcome is promised. "These credentials document your training; employment outcomes also depend on your experience, skills and job requirements." The salary figures in the school's career videos are U.S. national medians (BLS, May 2025), "not starting salaries or guarantees".
What to expect as an ACVOLT Tech School student
Real equipment, hands on. "These are our classes, not stock photos. In the classroom, workshop and field—wiring thermostats, bending conduit and watching the circuit they just built come to life." The workshop has chillers, commercial racks and equipment that is opened, measured and reassembled: "Here, learning goes beyond a drawing."
If you don't measure, you're guessing. Understanding the system, checking it with measurements and making decisions on a sound basis is the way of working the school seeks to teach.
Who teaches. The school's director is a technician, contractor and educator with 23 years in the trade: five years in residential and commercial electrical work from 2003, and 18 years of field experience in commercial refrigeration and commercial HVAC from 2008. He obtained California C-10 (Electrical) and C-20 (HVAC) contractor licenses in 2015, holds the title Certified Master HVACR Educator awarded by HVAC Excellence in 2024, and began formally as an educator in October 2021.
Classes in Spanish. The school presents itself as a school of HVAC and refrigeration in Spanish ("Escuela de HVAC y refrigeración en español").
Visit us in Colton. ACVOLT Tech School Inc., 484 E Valley Blvd, Colton, CA 92324. The office is open every day, 7:00 a.m. – 5:00 p.m.; phone (909) 824-4849. School visits are by appointment only.
Testimonials
“I have only been here a short time and taken two classes, but it is a good place to learn. You feel as if you already know the instructor. The atmosphere is great and makes you want to keep learning.”
Frequently Asked Questions
Other Programs at Colton
ACVOLT Tech School in Colton, CA also offers these 6 programs at 484 E Valley Blvd, Colton, CA 92324.
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