| June 2025 | ||
| Electrical for HVAC | June 2-6 | |
| Electrician Service & Maintenance | June 2-6 | |
| Refrigeration AC/HP | June 9-13 | |
| Advanced Service Diagnostics | June 9-13 | |
| Plumbing Service & Maintenance | June 9-13 | |
| Electrical for HVAC | June 16-20 | |
| Installation Technology | June 16-20 | |
| Refrigeration AC/HP | June 23-27 | |
| Electrician Service & Maintenance | June 23-27 | |
| No Classes | June 30- July 4 | |
| July 2025 | ||
| Electrical for HVAC | July 7-11 | |
| Advanced Service Diagnostics | July 7-11 | |
| Plumbing Service & Maintenance | July 7-11 | |
| Refrigeration AC/HP | July 14-18 | |
| Installation Technology | July 14-18 | |
| Electrical for HVAC | July 21-25 | |
| Electrician Service & Maintenance | July 21-25 | |
| Refrigeration AC/HP | July 28- Aug 1 | |
| Advanced Service Diagnostics | July 28- Aug 1 | |
| Plumbing Service & Maintenance | July 28- Aug 1 | |
| August 2025 | ||
| Electrical for HVAC | Aug 4-8 | |
| Installation Technology | Aug 4-8 | |
| Refrigeration AC/HP | Aug 11-15 | |
| Electrician Service & Maintenance | Aug 11-15 | |
| Heating Technology | Aug 11-15 | |
| Electrical for HVAC | Aug 18-22 | |
| Advanced Service Diagnostics | Aug 18-22 | |
| Plumbing Service & Maintenance | Aug 18-22 | |
| Refrigeration AC/HP | Aug 25-29 | |
| Heating Technology | Aug 25-29 | |
| September 2025 | ||
| No Classes | Sept 1-5 | |
| Electrical for HVAC | Sept 8-12 | |
| Installation Technology | Sept 8-12 | |
| Plumbing Service & Maintenance | Sept 8-12 | |
| Refrigeration AC/HP | Sept 15-19 | |
| Heating Technology | Sept 15-19 | |
| Electrician Service & Maintenance | Sept 15-19 | |
| Electrical for HVAC | Sept 22-26 | |
| Advanced Service Diagnostics | Sept 22-26 | |
| Refrigeration AC/HP | Sept 29- Oct 3 | |
| Heating Technology | Sept 29- Oct 3 | |
| Plumbing Service & Maintenance | Sept 29- Oct 3 | |
| October 2025 | ||
| Electrical for HVAC | Oct 6-10 | |
| Installation Technology | Oct 6-10 | |
| Refrigeration AC/HP | Oct 13-17 | |
| Heating Technology | Oct 13-17 | |
| Electrician Service & Maintenance | Oct 13-17 | |
| Electrical for HVAC | Oct 20-24 | |
| Advanced Service Diagnostics | Oct 20-24 | |
| Refrigeration AC/HP | Oct 27-31 | |
| Heating Technology | Oct 27-31 | |
| Plumbing Service & Maintenance | Oct 27-31 | |
| November 2025 | ||
| Electrical for HVAC | Nov 3-7 | |
| Installation Technology | Nov 3-7 | |
| Electrician Service & Maintenance | Nov 3-7 | |
| Refrigeration AC/HP | Nov 10-14 | |
| Heating Technology | Nov 10-14 | |
| Electrical for HVAC | Nov 17-21 | |
| Advanced Service Diagnostics | Nov 17-21 | |
| Plumbing Service & Maintenance | Nov 17-21 | |
| No Classes | Nov 24-28 | |
| December 2025 | ||
| Electrical for HVAC | Dec 1-5 | |
| Installation Technology | Dec 1-5 | |
| Refrigeration AC/HP | Dec 8-12 | |
| Heating Technology | Dec 8-12 | |
| Electrician Service & Maintenance | Dec 8-12 | |
| Electrical for HVAC | Dec 15-19 | |
| Advanced Service Diagnostics | Dec 15-19 | |
| Plumbing Service & Maintenance | Dec 15-19 | |
| No Classes | Dec 22-26 | |
| No Classes | Dec 29- Jan2 | |