| Nu-Calgon Counter Day | N/A | Free | May 14, 2026 | 11:00 AM - 1:00 PM | Cincinnati | 707 Carr St., Cincinnati OH 45203 |  |
| Nu-Calgon Counter Day | N/A | Free | May 19, 2026 | 11:00 AM - 1:00 PM | Lima | 460 S. Main St., Lima, Ohio 45804 | |
| Mitsubishi M- and P-Series Essentials | Full | $240.00 | May 19-20, 2026 | 8:00 AM - 4:00 PM | Columbus | 670 E. 5th Ave., Columbus, OH 43201 |  |
| Nu-Calgon Counter Day | N/A | Free | May 21, 2026 | 11:00 AM - 1:00 PM | Dayton | 1100 E. Monument Ave., Dayton, Ohio 45402 | |
| Mitsubishi M- and P-Series Essentials | Coming Soon | $240.00 | August 25-26, 2026 | 8:00 AM - 4:00 PM | Columbus | 670 E. 5th Ave., Columbus, OH 43201 | |
| Mitsubishi M- and P-Series Essentials | Coming Soon | $240.00 | October 27-28, 2026 | 8:00 AM - 4:00 PM | Columbus | 670 E. 5th Ave., Columbus, OH 43201 | |
