# Air Conditioning/Refrigeration (ACR) — Fall 2026 schedule

Palomar College · 16 sections · Seat counts as of 2026-10-18

Source: https://my.palomar.edu/psc/palc9prd/EMPLOYEE/SA/s/WEBLIB_HCX_CM.H_CLASS_SEARCH.FieldFormula.IScript_Main?institution=PALMR

Term dates: Aug 24, 2026 – Dec 19, 2026 (from the sections' dates) · 5 sessions, with dates: /c/palomar-college/schedule/fall-2026/index.json · Academic calendar: https://www.palomar.edu/enrollmentservices/calendars/

Course descriptions: 2026-2027 catalog, /c/palomar-college/catalog/2026-2027/courses/acr.md

## ACR 101 — Air Conditioning, Heating, and Refrigeration: Mechanical (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 72590 | 1 | Online anytime, Dist Ed-Delayed Interaction | Online, no set time | Aug 24–Dec 19 | Barry Valentine | 1 of 29 open, 2 waitlisted |
| 72591 | 2 | In person, Laboratory | Tue/Thu 1:30–3:45pm, ESC 504 | Aug 24–Dec 19 | Barry Valentine | 1 of 29 open, 2 waitlisted |
| 71708 | 50 | Online anytime, Dist Ed-Delayed Interaction | Online, no set time | Aug 24–Dec 19 | Barry Valentine | 1 of 32 open, 4 waitlisted |
| 71709 | 51 | In person, Laboratory | Wed 5:00–6:50pm, ESC 504; Wed 7:00–9:35pm, ESC 504 | Aug 24–Dec 19 | Barry Valentine | 1 of 32 open, 4 waitlisted |

## ACR 102 — Air Conditioning, Heating, and Refrigeration: Electrical (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 73015 | 10 | Online anytime, Dist Ed-Delayed Interaction | Online, no set time | Aug 24–Dec 19 | Scott Madden | 3 of 29 open |
| 73016 | 11 | Hybrid, Laboratory | Mon/Wed 1:30–3:50pm, ESC 504; Plus online work | Aug 24–Dec 19 | Scott Madden | 3 of 29 open |
| 71710 | 50 | Online anytime, Dist Ed-Delayed Interaction | Online, no set time | Aug 24–Dec 19 | Barry Valentine | Full (33/32), 2 waitlisted |
| 71711 | 51 | In person, Laboratory | Tue 5:00–6:50pm, ESC 504; Tue 7:00–9:50pm, ESC 504 | Aug 24–Dec 19 | Barry Valentine | Full (33/32), 2 waitlisted |

## ACR 105 — Refrigerant Management and Recovery (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 72707 | 10 | Online anytime | Online, no set time | Aug 24–Dec 19 | Barry Valentine | Full (35/29) |
| 72706 | 11 | Online anytime | Online, no set time | Aug 24–Dec 19 | Barry Valentine | Full (35/29) |
| 73566 | 14 | Online anytime | Online, no set time | Aug 24–Dec 19 | Daniel Yeager | 3 of 32 open, 3 waitlisted |
| 73567 | 15 | Online anytime | Online, no set time | Aug 24–Dec 19 | Daniel Yeager | 3 of 32 open, 3 waitlisted |

## ACR 110 — Advanced Air Conditioning, Heating and Refrigeration (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 72934 | 50 | Online anytime, Dist Ed-Delayed Interaction | Online, no set time | Aug 24–Dec 19 | Daniel Yeager | 7 of 32 open |
| 72935 | 51 | In person, Laboratory | Thu 5:00–6:50pm, ESC 504; Thu 7:00–9:35pm, ESC 504 | Aug 24–Dec 19 | Daniel Yeager | 7 of 32 open |

## ACR 111 — Advanced Air Conditioning, Heating, and Refrigeration: Installation (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 73554 | 50 | Online anytime, Dist Ed-Delayed Interaction | Online, no set time | Aug 24–Dec 19 | Jonathan SanchezBarba | 2 of 32 open, 3 waitlisted |
| 73555 | 51 | In person, Laboratory | Mon 4:30–6:00pm, ESC 504; Mon 6:10–9:45pm, ESC 504 | Aug 24–Dec 19 | Jonathan SanchezBarba | 2 of 32 open, 3 waitlisted |