Online Air Conditioning eLearning

BUILDING INDUSTRY STANDARDS AND REGULATIONS ...onstruction management, electrical, plumbing, heating and air conditioning, building controls, fire alarm, fire protection and security systems. The on-line material is presented in a practical format that permits experienced tradesmen and apprentices to gain valuable information and guidelines for advancement. Apprentices can learn about their trade without intimidation or embarrassment,  more...

Moisture Intrusion and High Ambient Humidity Causation Analysis ...e, relative humidity, dew point); analysis of heating and air conditioning equipment with regard to their introduction or removal of moisture; moisture and humidity measurement technology; mold & mildew causation (fungal growth); certain elements of building construction; typical sources of moisture intrusion; and the fundamental approach used in conducting a comprehensive engineering analysis  more...

Reduction of Radon Levels in Schools and Other Large Buildings ...essurize the building using the heating, ventilating, and air conditioning (HVAC) system. Seal major radon entry routes. Specific guidelines on how to incorporate these radon prevention features in the design and construction of schools and other large buildings are detailed in this course. Review of Passive Soil Depressurization (PSD) systems Review of Active Soil Depressurization  more...

Laboratories Best Practices Energy Recovery Overview Energy recovery can substantially reduce the mechanical heating and cooling requirements associated with conditioning ventilation air in most laboratories. Laboratories typically require 100 outside air at high ventilation rates, between 6 and 15 air changes per hour, primarily for safety reasons. The heating and cooling energy needed to condition this air, as well as the fan energy  more...

An Introduction to Air Conditioning Systems ...nical engineers. It will give you a basic introduction to air conditioning system design so you can better understand the technology, concepts and terminology in design of air conditioning systems. It will help you to be a better partner in the building design and construction process. This is your opportunity to learn about the issues, technologies and strategies your mechanical engineering  more...

HVAC Design for Hospitals Healthcare Facilities ...s that require special attention to HVAC design. Hospital air conditioning assumes a more important role than just the promotion of comfort. In many cases, proper air conditioning is a factor in patient therapy; in some instance, it is the major treatment. Studies show that patient in controlled environments generally has more rapid physical improvement than do those in uncontrolled  more...

HVAC - Concepts and Fundamentals Overview HVAC helps keep people comfortable and healthy by maintaining good indoor air quality, humidity and comfortable temperatures. Designing for comfort requires integrated knowledge of human physiology, heat transfer, psychrometrics, and mechanical systems. Most professionals don't learn this stuff in school or on the jobsite, but are expected unrealistically to meet your physiological needs  more...

Evaporative Cooling Design Guidelines Overview Evaporative cooling is a method of converting hot air into a cool breeze using the process of evaporating water. There are two essential requirements for evaporative cooling: 1) a wetted surface (supplied by filter pads) and 2) A source of moving air (supplied by a blower powered by an electric motor). The technology is a versatile and energy-efficient alternative to compressor-based  more...

HVAC - Equipment and Systems Overview HVAC system components may be grouped into three functional categories: source components, distribution components, and delivery components. Source components provide or remove heat or moisture. Distribution components convey a heating or cooling medium from a source location to portions of a building that require conditioning. Delivery components serve as an interface between the  more...

Underfloor Air Distribution ...ed to read and review the material contained in Alternate Air Conditioning Technologies: Underfloor Air Distribution (UFAD) - FEMP/DOE/EE-0295 and FEMP/NTDP Technology Installation Review. The student must take a multiple-choice quiz consisting of ten (10) questions at the end of this course to obtain PDH credits. State Board Acceptance This course can be used by professional engineers  more...

Heat Exchanger Fundamentals ...nother heat exchanger), you would not have the comfort of air conditioning in your home. Because of the importance of heat exchangers in the design of so many processes and systems, it is important that the engineer possess at least a basic knowledge of the types of heat exchangers and how they operate. This course covers the fundamentals of heat exchangers, including the different types and  more...

Air and Gas Compressors ...n sites, refineries, process industry, refrigeration, and air conditioning. Basic thermodynamic compression principles are described, but application rather than design theory is the thrust of this course. Definitions and terminology are supplemented with the extensive use of figures and diagrams. The student must take a multiple-choice quiz consisting of fourteen questions at the end of this  more...

Desiccant Dehumidification Systems for Comfort Conditioning Overview Desiccant air-conditioning systems can be used as alternatives for conventional air-conditioning equipment in any commercial or residential building. Recent breakthroughs in desiccant materials technology and the creation of new markets by Indoor Air Quality issues make desiccant-based air-conditioning equipment practical for many space-conditioning applications. In this course the  more...

Displacement Ventilation and Dedicated Outdoor Air Systems Overview Conventional heating, ventilation and air-conditioning systems in commercial buildings meet both outdoor air ventilation and space conditioning requirements using air distribution approaches that provide a mixture of outdoor air and recirculated air with the goal of achieving good air mixing within the occupied space. More recently, advanced ventilation approaches have been proposed,  more...

Flexible Ducts - Thermaflex ...ting, selecting and installing flexible ducts in heating, air conditioning and ventilating systems. In this course the student will learn about applications requirements and recommendations for the use of flexible air ducts including ratings, listings and certifications. In addition, the student will learn specific information about Thermaflex products that can be used as a basis-of-design in  more...

Air Movement and Fire Protection The fire hazards associated with heating ventilation and air-conditioning (HVAC) systems are significant. Fire isn? t the only hazard ? the smoke generated by the fire can be much more dangerous. Protection is needed from the spread of fire and smoke due both to fires starting inside an HVAC system and fires starting outside an HVAC system. Fire performance of materials for HVAC components is  more...

Energy Conservation Overview This 4-hour course covers the factors that influence the energy efficiency of small commercial and residential type buildings. It includes sections on the building envelope and related factors such as infiltration, insulation, and vapor barriers. Heating, ventilating, and air-conditioning systems (HVAC) are covered in detail including explanations of the various types of HVAC systems  more...

Air Conditioning Systems ...air conditioning system's job is just to add "cold? air to the space. Actually air-conditioning is a process by which air is cooled and dehumidified by mechanical means. In a broader sense, air conditioning includes both the cooling and heating of air, cleaning it and controlling its moisture level, and conditioning it to provide maximum indoor comfort. Engineers define the process as one  more...

HVAC - Ventilation Exhaust Systems ...ly ventilations systems also provide replenishment air to air conditioning recirculation systems. Exhaust systems remove odors, heated air, and airborne contaminants from the workspace. Both supply and exhaust airflow quantities must be balanced. All components of ventilation systems such as fans, motors, ducts, dampers, air intakes and outlets, filters, and access panels, must work properly  more...

HVAC - Variable Air Volume Systems ...air conditioning systems there are two basic methods for delivering air to the conditioned space: constant air volume (CAV) systems, and variable air volume (VAV) systems As the name implies, constant volume systems deliver a constant air volume to the conditioned space irrespective of the load. VAV systems, on the other hand, are designed to simultaneously meet a variety of cooling and  more...

Application of Psychrometrics to Heating and Cooling ...mal comfort and is a major consideration in the design of air conditioning systems. Air conditioning engineers use the psychrometric chart to predict changes in the environment when the amount of heat and/or water in the air changes. A psychrometric chart provides a convenient way to look at the air conditioning processes and it will answer why heated air can hold more moisture, and  more...

Cooling Towers The machines and processes of industry, as well as the air-conditioning systems for buildings generate tremendous amounts of heat, which must be continuously dissipated if these machines and processes are to continue to operate efficiently. Water cooling is the most efficient method of dissipating heat. A cooling tower is a device used in industry to cool hot water (by partial evaporation)  more...

Commercial HVAC ...air conditioning system's job is just to cool the spaces. Actually, a complete air-conditioning system is capable of maintaining temperature and humidity below or above that of surroundings and provides fresh air into spaces free of contaminants, dust and odorants. Air-conditioning systems are bifurcated in two broad categories: comfort air conditioning and process air-conditioning. Comfort  more...