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Understanding Electricity - Basic HVAC Electricity in the Real WorldThe purpose of this program is to give the student the basic information necessary to properly understand, install and service the electrical circuits commonly associated with HVAC equipment.

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Understanding HVAC - What Non-Technical Employees Need to Know About HVAC in the Real WorldProvide a better understanding of all of the aspects of the HVAC business to non-technical employees.

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Understanding Manual D - Air Flow and Duct Design In The Real World (Revised)New Revised version includes new things like proper installation of flexible duct with emphasis on negative effects of excess sag and compression and duct system efficiency with regard to duct shape and material. Understanding Manual D is a unique new 5 CD video training series in the basics of airflow and residential duct system design.

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Understanding Manual J - Heat Loss and Heat Gain In the Real WorldUnderstanding Manual J is a unique new 4-CD computer video training series in the basics of residential heat loss and heat gain calculations. This program is designed for the HVAC professional who will be using a computer based program to calculate the heat loss and/or heat gain for residential buildings. This program gives the user all of the information necessary to intelligently use a computer based system.

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Understanding Manual N - Commercial Load Calc in the Real WorldThe purpose of this 5 CD set is to help give you the necessary tools to calculate the heating and cooling loads for low rise commercial buildings.

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Understanding Manual Q - Low Pressure, Low Velocity Duct Design in the Real WorldThe purpose of this program is to give the student the tools necessary to design a low pressure, low velocity ducted distribution system for a low rise commercial building.

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Understanding Manual S® - Residential Equipment Selection in the Real WorldUnderstanding Manual S is a brand new unique 3-CD computer video training series that covers the basics of how to select and size heating and cooling equipment to meet Manual J loads based on local climate and ambient conditions at the building site.

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Understanding Manual ZrUnderstanding Manual Zr provides a guided tour through residential zoning system design. This 5 DVD training set is designed for HVAC professionals who want to become proficient in all aspects of designing and evaluating zoned HVAC systems. The program begins with a discussion of the basics of residential zoning systems and the interdependencies that exist between the home, heating and/or cooling equipment, homeowner expectations and the zoning options that are currently available.

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