# Heat and Frost (HEFR) courses Rio Hondo College · 2026-2027 Catalog · 11 courses Source: https://riohondo.curriqunet.com/catalog/iq/22181/25453/24473 "Offered" lists sections in this catalog year's class schedules: Summer 2026, Fall 2026, Winter 2027, Spring 2027. ### HEFR 040 — Insulation Industry Orientation - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprentices. It is advised that students be able to comprehend precollegiate texts and have a knowledge of elementary algebra concepts. This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the heat and frost insulators industry. Topics include orientation to the trade, industry safety, jobsite safety, insulation, pipe systems, the Occupational Safety and Health Association (OSHA), refinery safety, boom and scissor lift safety, and duct systems. ### HEFR 041 — Mechanical Piping Systems - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollmnent limited to State Indentured Heat and Frost Insulator Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the heat and frost insulators industry. Topics include insulation materials, techniques, finishes, piping systems, fireproofing, hand tools, fall protection, and equipment used in the field. ### HEFR 042 — Boiler Insulation - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the heat and frost insulators industry. Topics include boilers, insulating techniques, stacks, breechings, Hy-Rib lath insulation, finishing, shipyard orientation, pen welding, safety, first-aid, confined spaces, and fittings. ### HEFR 043 — Construction Mathematics - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the heat and frost insulators industry. Mathematical operations commonly used in the construction trade are reviewed and applied. Topics include whole numbers, fractions, decimals, basic geometry functions, curves and angles, drawings, estimating, energy appraising, insulation certifications, and measurements. ### HEFR 044 — Mechanical Piping Insulation - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the heat and frost insulators industry. Topics include heat transfer, general insulating methods, materials, application of insulation materials, coatings, coverings for pipes and fittings, attachment methods, mold recognition and abatement, and finishing for pipes in various thermal ranges. ### HEFR 045 — Foam & Firestopping Insulation - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the heat and frost insulators industry. Topics include metal cutting, fittings, band saws, foam materials, spray equipment operations, firestopping insulation, and maintenance and repair of foam application equipment. ### HEFR 046 — Blueprint Reading - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the heat and frost insulators industry. Topics include introduction to blueprint reading, general arrangement, symbols, industry standards, insulation drawings, isometric drawings, industry certifications, and shop drawings. ### HEFR 047 — Prefabricated Buildings - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the heat and frost insulators industry. Topics include insulation, the design of walls, prefabricated industry panels, prefabricated metal buildings, hazardous materials, and storage tank insulation. ### HEFR 048 — Firestop Applications - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the insulation and firestop industry. Topics include layout, fabrication, installation, maintenance and repair procedures for firestopping systems on mechanical, electrical, and plumbing penetrations. ### HEFR 049 — Advanced Life Safety Firestop Applications - **Units:** 2.5 - **Hours:** 40 Lecture, 40 Lab - **Prerequisite:** HEFR 040 and HEFR 048 - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprentices This course is designed to meet the needs of indentured apprentices with the State of California who are interested in the insulation and firestop industry. Topics include advanced layout, fabrication, installation, and maintenance and repair procedures for firestopping systems on mechanical, electrical, and plumbing penetrations. ### HEFR 290 — Work Experience Education in Heat and Frost Insulator Apprenticeship - **Units:** 1-4 - **Hours:** 3 Lecture, 54-216 Lab - **Transfers to:** CSU - **Offered:** not on the Summer 2026, Fall 2026, Winter 2027, Spring 2027 schedules - Enrollment limited to State Indentured Heat and Frost Insulator Union Apprenticeship. It is advised that students be able to engage in written composition at a college level and read college-level texts. This course provides students the opportunity to work in the heat and frost insulators apprenticeship program for the purpose of developing specific skills to meet the goals and objectives of the Heat and Frost Insulator Joint Apprenticeship and Training Committee (J.A.T.C.). Students complete work experience hours at approved training sites. Students may take up to 16 units total across all work experience course offerings. Only one work experience course may be taken per semester.