Environmental Systems and Refrigeration Technology

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.

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.

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.

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.

This course introduces students to the physical infrastructure of operations within the data center facility.  Students will learn to identify and visualize key components common to all data center operations including electrical, HVAC, backup power, networks, and controls.   This course serves as both an introduction and a reference for becoming proficient in data center operations and facilities.

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.

This course introduces students to the ductless and variable refrigerant flow (VRF) heat pump market with a review of energy consumption in residential and small commercial applications. The basic operation and servicing of a ductless heat pump is covered including the cooling, heating, and defrost modes. The various types of heat pump systems by various manufacturers including Daikin, Bosch, Mr. Cool and Mitsubishi are then reviewed with a focus on the advantages and disadvantages of each type of system. Students will learn to interpret installation and service data. The performance parameters, such as heating season performance factor (HSPF), seasonal energy efficiency rating (SEER), energy efficiency rating (EER), and the coefficient of performance (COP), are used to evaluate heat pump performance.

Learn the techniques used to recognize the signs of IAQ problems, investigate for potential pollutants and their sources, determine the levels of common pollutants in indoor air, and propose solutions to the problem. Provides information, hands-on experience and practical guidance in conducting inspections and evaluating the performance of mechanical ventilation systems.

Designed to provide students with on-the-job practical field experience. One credit for each five hours of work experience per week.

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.

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.

Advanced study of commercial boilers and chilled water systems commonly found in larger commercial and industrial facilities. Includes low-pressure hot water, steam boilers, fittings, feed water accessories, combustion accessories, draft control and water treatment. This course also includes topics on basic servicing and maintaining mechanical chillers, including information on rotary screw, centrifugal, and reciprocating compressors. Operations, maintenance, energy efficiency and mechanical room safety are emphasized throughout the course.

Course on DDC - (Direct Digital Controls) and BMS (Building Management Systems) for HVAC (heating, ventilation and air conditioning) controls used in commercial building systems. Includes information on electrical, pneumatic, DDC electronic controllers, sensors and associated controlled equipment. Course work includes commercial HVAC controls on various manufacturers, equipment specifications, and technical data sheets while learning to program wire-sheets graphics within Sedona and Niagara software. 

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.

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.

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. Course utilizes web and phone online apps to calculated required loads energy efficient HVAC equipment for heating and air conditioning systems used in residential and light commercial buildings.

This course is focused on using advanced graphical programming software to develop building automation programs. It will accelerate student programming abilities with Building Automation System (BAS) programming using the Niagara/Sedona Framework. This course enables student to become proficient in HVAC programming and building HVAC graphics used for BAS applications.

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).

Reviews HVAC TAB (Test, Adjust and Balancing) process, including the process of commissioning of various types of building HVAC energy management and control systems, and how the LEED (Leadership in Energy and Environmental Design) certification process is implemented and steps to arrive at certification. Documentation requirements are covered to become a certified TAB and LEED individual for students to take the national exam.

This course addresses the operation and maintenance requirements of standby generators, transfer switches, batteries and UPS systems commonly found in mission critical facilities such as data centers, health care, and industrial properties. The purpose of this course is to learn how emergency standby power systems operate and control power within critical operated facilities. This course serves as both an introduction and a reference for becoming familiar in emergency power systems.

Provides second-year students the opportunity to advance their skills through an applied project in their field of interest or specialization within the HVACR industries.

Designed to provide students with on-the-job practical field experience. One credit for each five hours of work experience per week.