• HVAC 1600: MECHANICAL PIPING SYSTEMS

  3.00 Credits

  Laramie County Community College

  
  Students explore the different piping materials used for heating, ventilation, air conditioning, and refrigeration, including polyvinyl chloride (PVC), hard and soft copper, and galvanized and back iron piping. They develop skills to measure, cut, prepare, and connect piping and tubing. In addition, students use a piping schematic to layout a piping system. Finally, students identify and explain the use of common fittings and valves for different styles of piping and tubing.
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• HVAC 1610: HEATING AND AIR CONDITIONING PRINCIPLES

  3.00 Credits

  Laramie County Community College

  
  Students examine the primary concepts of thermal dynamics and fluid dynamics, including attributes of heat and pressure, states of matter, heat transfer methods, energy conversion, and expressions of power. They gain a fundamental understanding of the refrigeration cycle, system components, and refrigerant properties. Students also explore how the properties of air---to include humidity and temperature---affect human comfort.
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• HVAC 1620: REFRIGERATION CIRCUIT COMPONENTS

  3.00 Credits

  Laramie County Community College

  
  Students examine the major refrigeration system components, including evaporators, condensers, compressors, metering devices, and accessories. Students apply the internal workings of each different type of component to an operational refrigeration circuit. Prerequisite: Completion of or concurrent enrollment in HVAC 1610, or instructor approval.
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• HVAC 1630: ENERGY EFFICIENT RESIDENTIAL HEATING SYSTEMS

  3.00 Credits

  Laramie County Community College

  
  Students explore the major types of heating systems in residential dwellings, including natural gas furnaces, oil furnaces, electric furnaces, and hot water boiler systems. Students analyze equipment types along with their efficiency ratings. Students use electronic test equipment to safely troubleshoot and adjust the various types of heating systems. Prerequisites: Completion of IST 1510, IST 1520, IST 1710, IST 1711, IST 1712, IST 1713, HVAC 1600, and HVAC 1610 or instructor approval.
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• HVAC 1640: AUTOMATIC BUILDING CONTROLS

  3.00 Credits

  Laramie County Community College

  
  Students discover how various types of controls work and how they are applied in heating, ventilation, air conditioning, and refrigeration systems. In particular, they examine bimetallic, liquid-filled, vapor-filled, thermocouple, and thermister controls. In addition, students experiment with the operation of temperature controls, pressure controls, hydronic relief valves, and transducers to include accurate adjustments. Finally, students troubleshoot and repair control systems using electrical test equipment such as voltmeters, ammeters, and ohmmeters. Prerequisites: Completion of HVAC 1630 and HVAC 1650 or instructor approval.
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• HVAC 1650: RESIDENTIAL AIR CONDITIONING SYSTEMS

  3.00 Credits

  Laramie County Community College

  
  Students leak check, evacuate, recover refrigerant from, and charge residential and light commercial air conditioning systems. Students open and seal refrigeration systems using brazing and soldering techniques and also examine Core, Type I, Type II, and Type III system characteristics as they prepare to take the Environmental Protection Agency (EPA) Refrigerant Handling Certification exams. Prerequisite: Completion of IST 1710, IST 1711, IST 1712, IST 1713, HVAC 1600, and HVAC 1610, or instructor approval.
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• HVAC 1660: HVAC DISTRIBUTION SYSTEMS

  3.00 Credits

  Laramie County Community College

  
  Students examine the primary concepts of Indoor Air Quality (IAQ). They also investigate the hazards of improper IAQ and methods to mitigate those hazards to include ventilation, humidification, and dehumidification of living spaces. Students examine air distribution systems and use test equipment to measure pressure and flow as part of system balancing. Prerequisites: Completion of HVAC 1610 and HVAC 1650 or instructor approval.
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• HVAC 1670: LIGHT COMMERCIAL REFRIGERATION SYSTEMS

  3.00 Credits

  Laramie County Community College

  
  Students identify various supermarket refrigeration units for analyzing the selection and installation placement procedures for the equipment. They predict how different refrigerant system installation methods could affect a building's heating, ventilation, and air conditioning systems. In addition, students examine the unique operation quality control aspects of commercial ice production before operating, maintaining, and repairing commercial ice machines. They evaluate and troubleshoot the operation of several styles of commercial refrigeration systems. Prerequisites: Completion of HVAC 1620, HVAC 1630, HVAC 1640, and HVAC 1660 or instructor approval.
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• HVAC 1680: ENERGY EFFICIENT AIR CONDITIONING UNITS

  3.00 Credits

  Laramie County Community College

  
  Students examine the operation, maintenance, and repair of commercial heating, ventilation, and air conditioning systems. They discover how the components of a heat pump work to provide heating or cooling. Finally, students identify the different types of geothermal loops that are used in regions of the country as well as the unique maintenance and repair requirements for each type of loop. Prerequisites: Completion of HVAC 1620, HVAC 1640, and HVAC 1650 or instructor approval.
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• HVAC 1690: ADVANCED AIR CONDITIONING SKILLS

  3.00 Credits

  Laramie County Community College

  
  Students analyze operating conditions, compare results to the manufacturer's data, and predict potential effects to heating, ventilation, and air conditioning equipment. They interpret a system's sequence of operation, gather customer information, and use test equipment to troubleshoot mechanical and electrical faults. Students perform residential load and duct-sizing calculations. They also practice customer service techniques. Prerequisites: Completion of HVAC 1620, HVAC 1640, and HVAC 1650 or instructor approval.
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