ESRT Courses

ESRT 102   1 credit
OSHA 10 Safety Principles
An online course which focuses on the OSHA standards and guidelines for enhancing safety and health in the workplace. Topics include introduction to the OSHA Act, enforcement and recordkeeping, walking-working surfaces, means of egress, emergency action plans, fire protection plans, electrical safety, hazardous materials, personal protective equipment and hazard communication.

ESRT 110    5 credits
Refrigeration Principles
Introduction to basic heat transfer, refrigeration applications, major components, equipment and systems. Includes job opportunities, tools and test instruments. Lab encompasses experiments in boiling, freezing, temperature, refrigerants, gauges and repair standards. Lab projects include repairing residential and light commercial equipment while emphasizing the proper use of repair instruments and procedures. Prerequisite: MATH 096  or MATH 093 or instructor’s signature.

ESRT 114    1 credit
Refrigerant Recovery/Recycle
Introduction to proper handling of CFC/HCFC refrigerants and non-CFC replacements, including recovery, recycle and reclaiming processes. Global issues, regulations and legislation discussion will prepare students for national certification. Prerequisite: ESRT 110 or concurrent enrollment.

ESRT 120    5 credits
Heating Systems
Introduction to heating systems, emphasizing electric, gas, oil, solar systems, hot water and steam boiler systems. Includes lab experience troubleshooting, practicing repair procedures and combustion analysis. Proper use of tools, instruments and tests to perform efficiency measurements included. Prerequisite: ESRT 110 or instructor’s signature.

ESRT 130    3 credits
Air Conditioning
Principles of the air conditioning and heat pump processes, including mechanical components, ventilation, filtration, psychrometrics and relative humidity. Emphasis will be toward residential applications and tools for service and troubleshooting. Laboratory experience includes repairing and servicing residential and light commercial air conditioning and heat pump equipment. Prerequisite: ESRT 110 or instructor’s signature.

ESRT 136    2 credits
Indoor Air Quality
Students will learn techniques used to recognize signs of IAQ problems, investigate for potential pollutants and sources, determine levels of common pollutants in indoor air, and propose solutions to the problem. Provides students with information, hands-on experience, and practical guidance in conducting inspections and evaluating the performance of mechanical ventilation systems.

ESRT 200    5 credits
Commercial HVACR Equipment
Study of systems and components used in commercial HVACR applications. Emphasis on proper installation and diagnostic procedures. Ice machines, walk-ins, display cases, compressors, condensers, evaporators, valves, piping, service techniques and test equipment to be highlighted. Packaged rooftop HVAC units will also be covered. Prerequisite: ESRT 110 or instructor’s permission.

ESRT 205    2 credits
Blueprint Reading
In-depth study of construction blueprints for residential, commercial and industrial facilities emphasizing interpretation as it applies to energy and HVAC industries. Additional information will include interpretation of contract documents, specifications and addendums emphasizing building components.

ESRT 210    2 credits
Boiler Systems
Advanced study of commercial and industrial boiler applications commonly found in larger facilities. Includes low-pressure hot water and steam boilers, high-pressure steam boilers, boiler fittings, feed water accessories, combustion accessories, draft control and water treatment. Operations, maintenance, energy efficiency and boiler room safety are emphasized. Prerequisite: ESRT 110 or instructor's permission.

ESRT 215      3 credits
Commercial DDC HVAC Controls
Course on DDC – Direct Digital Controls for HVAC (heating, ventilation and air conditioning) controls used in commercial building systems. Includes information on electrical, pneumatic, DDC electronic controls and associated equipment. Course work emphasizes generic approach while studying specific manufacturers specifications and data sheets. Prerequisite: ELTRO 132 or instructor’s permission.

ESRT 220    5 credits
Industrial Refrigeration Systems
Principles of industrial refrigeration systems and equipment as applied to industrial warehouses and buildings. Includes information for direct expansion, flooded, overfeed systems. Discussion of ammonia and halocarbon (freon) compressor types, condensers, evaporators, metering devices, pumps, defrost methods, vessels and related devices. Prerequisite: ESRT 110 or instructor’s signature.

ESRT 222   3 credits
Industrial Refrigeration Lab
Industrial refrigeration laboratory experience becoming familiar with machinery, electricity, and controls associated with industrial refrigeration equipment including compressors, valves, motors, controls, pumps, boilers, and associated components. Prerequisite: concurrent enrollment in ESRT 220 or instructor’s permission.

ESRT 223    2 credits
Design and Load Applications
Application engineering and design course for calculating air conditioning and heating equipment. Includes computerized design of heat loads and heat gains, duct sizing and equipment selection. Student will design energy efficient HVAC equipment for heating and air conditioning systems used in residential and light commercial buildings. Prerequisite: ESRT 110 or instructor’s permission.

ESRT 230    3 credits
Industrial Refrigeration Maintenance and Safety
Continuation of ESRT 220, with emphasis on maintenance, operation and safety. Information will include scheduling, preventive maintenance, water treatment, troubleshooting, repair procedures, energy conservation, process safety management (PSM) programs and risk management programs (RMP). Prerequisite: ESRT 220 or instructor’s permission.