Humidex Air Systems

Look For Humidex Air Systems at Amazon

From the Back Cover

A classic in it is field, Air Conditioning Principles and Systems proceeds to fill the need for a text book on air conditioning schemes that combines design principles with real-world applications. Readers will gain clear or deep perception into the design, operation, and troubleshooting of new and existent air conditioning systems. Moreover, this edition has been modified to reflect recent developments and issues in the industry, including the increasing use of the Internet in the field.

Key features of this edition:

New weather info for outside temperature analysis and system design.
Expanded data on environmental difficulties to help readers stay current on issues and regulations.
New info when it comes to asbestos, including answers when it comes to mitigation of destructive effects.
Further exploration on scroll compression and how it works in real-world applications.

About the Author

Edward G. Pita is Professor Emeritus and Adjunct Professor in the Environmental Control Technology Department at New York City Technical College of the City University of New York. He received a B.S. degree from Purdue University, an M.S. degree from Columbia University, and a Ph.D. degree from the University of Maryland, all in mechanical engineering. He is a fellow member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) and is a registered professional engineer.

In addition to his career as an educator, Dr. Pita was chief mechanical engineer for a huge consulting engineering science firm responsible for HVAC projects for the United Nations, the State City of the Vatican, the U.S. Capitol, and a good deal of other governmental and private clients.

He has likewise worked in apps and systems engineering science for the Carrier Corporation and the Worthington Corporation.

This fourth edition of Air Conditioning Principles and Systems has been significantly revised. Reflecting recent developments and worries in the industry, significant material has been added on indoor air quality, air pollution from combustion, and the new environmental requisites on refrigerants. Consistent with the overall doctrine of this text, the practical approach to these indispensable issues will enable the reader to efficaciously address them in the workplace.

Use of the Internet for air conditioning work is a major element of this fourth edition. Many Websites of instrumentation manufacturers are listed. Problems are assigned that make use of these Web web sites for instrumentation performance, selection, and specifications, and to ask and receive answers to technical questions. Web web sites of HVAC design software suppliers are also listed. These offer heating and cooling load calculations, duct and pipe sizing, psychrometrics, and energy analysis. Problems are likewise assigned in these areas. Use of design software often times entails a fee and restrictions, of course. The Web web sites and software listed in the text are only a little sample of those available, and are not inevitably the only utile ones. A search will discover a lot of more.

In addition to incorporating new material, numerous chapters have been substantially revised or amplified to heighten the learning process.

This book is a rudimentary text in heating, ventilation, and air conditioning (HVAC). It fills the need for a text that presents the rudimentary principles and systems in a manner that is technically accurate, yet of practical use in the working world. Today’s reality, which mandates time and cost effectiveness in HVAC work, dictates this practical approach. Students in air conditioning and refrigeration courses in college and technical institute programs, and consulting engineers, contractors, operating engineers, and service technicians will find this text utile in their studies or as a reference.

The book is designed for a two-semester course. Supplemental work may be assigned if the instructor wishes to exaggerate on the suggested projects.

The text begins by formulating the rudimentary principles of air conditioning, followed by a description of instrumentation and systems. The text emphasizes the application of theory to both designing new systems and troubleshooting existent ones. This approach is intensified by numerous illustrative examples and difficultnesses dealing with real situations.

An underlying theme allround the book is energy utilization and conservation. Energy codes and standards are described, and each topic is examined from an energy conservation viewpoint, an approach that is necessary for all future work in the air conditioning field. A chapter is committed to solar heating and cooling.

Following an overview of the scope of air conditioning, the text reviews physical principles. Heating and cooling load calculations are explained in a exhaustive yet understandable manner. The latest methods (now required by most states) are used. The newly revised design weather selective information is included. Load calculation forms are furnished to aid the student. The subject of psychrometrics is staged in significant detail, recognizing that it is at the heart of understanding air conditioning processes.

Air conditioning and refrigeration instrumentation and schemes are covered thoroughly. Equipment construction and selection are described. Included in the discussion are reheat, dual duct, multizone, hydronic, and variable air volume systems. The demonstration of refrigeration includes an comprehensible statement of absorption systems, heat pumps, and the scroll compress.

Instrumentation and balancing and the fundamental principle of automatic controls are covered in distinguished chapters. Of particular importance is the chapter committed to energy utilization and conservation in design, installation, and operation of air conditioning systems.

Two example projects in the design of a heating and cooling scheme are worked out in detail. Similar projects are suggested as hands-on learning experiences. These ought to be of value to those who are fascinated in installation, operation, and service as well as design, because they require the student to make an analyzation of how the system functions.

The author sincerely hopes that this presentation, based on his more than 55 years of experience in the field working for manufacturers, as a consulting engineer, and as an educator, will bestow to your noesis and success in the HVAC industry.

Humidex Air Systems

Using a minimum of mathematics, this book explores the rudimentary conceptions of air conditioning and their application to systems—explaining all conceptions in a clear, practical manner, and focusing on difficulties and examples distinctively encountered on the job. This book holds the most recent and industry-wide accepted info on load calculations, design data, instrumentation information, and use of the Internet. Specific chapter topics cover the scope and uses of air conditioning; physical principles; heating loads; furnaces and boilers; hydronic piping systems and terminal units; cooling load calculations; psychrometrics; liquid flow in piping and ducts; piping, valves, ducts, and insulation; fans and air distribution devices; centrifugal pumps, elaboration tanks, and venting; air conditioning systems and equipment; refrigeration schemes and equipment; automatic controls; energy utilization and conservation; instrumentation, testing, and balancing; and planning and designing the HVAC system; and solar heating and cooling systems. For consulting engineers, mechanical contractors, HVAC engineers, designers, project managers, and facilities managers.

Have you ever thought of the positive effects of ventilating or dehumidifying your basement? Well, in order to comprehend these factors, let us basi look at the causes of poor ventilation in your basement. A wet or damp basement could be a result of wall cracks and pipe leakages and weather conditions such as cold winters and floods. This leads to dampness along with stale air circulating within the basement which brings about a favorable environs for the growth of mold and mildew. In contrast, for the duration of warm weather conditions, the humidity have a tendancy to be on the higher side and lack of ventilation in the basement leads to recurrence of stagnant air, bad odor and growth of mold.

How may this be averted and what does it have to do with basement dehumidification? Apart from water harm dehumidification and mold remediation, basement dehumidifiers have always been considered as an substitute measure for moisture control, air interchange and ventilation, specially in areas like basements and creep spaces. On the other hand, there have been issues such as the cost factor, daily maintenance and efficacy amidst conventional and innovative humidifiers.

The gains of having a high-quality, energy-efficient dehumidifier in your basement will unquestionably make up for the cost of buying and sustaining it in the long run. These gains include:

1. Mold: As noted earlier, installing a dehumidifier in your home reduces the prospects of mold damage, since the cleanup and alternate costs come at very high rates. In fact, a good deal of insurance policies do not cover mold-related expenditures which leave us with the only option of attempting to prevent the damage.

2. Health: The uninterrupted circulation of stale air inside the basement evidently affects the immune system, targeting the respiratory functions by inhaling allergens, bacteria, fungi and dust. This leads to colds, asthmas, flus, allergies and other respiratory problems. The installation of a dehumidifier reduces this risk and recycles the stale air circulating in the basement by condensation.

3. Space: Due to the mutual troubles in the basement such as lack of ventilation, dampness and poor air circulation leading to an uncomfortable environment, these areas are not entirely used as equated to other areas such as the living room. Dehumidifiers will aid control and maintain temperature levels in basements at all times, providing snug and comfortable surroundings.

4. Energy: The air corpuscles of damp air caused by the presence of moisture in the environs are heavier than the normal air molecules and hence affect air circulation. This in turn leads to exuberant or improper utilization of heating and cooling systems which require more energy.

5. Selling Opportunities: Homes with greatest or most complete or best possible living space have been found to be more beautiful to potential buyers. Hence, basements that are well-finished, furnished and comfortable may be made to good use in respective ways.

With cutting-edge technology and design at their best in the current scenario, there are energy-efficient dehumidifiers available at reasonable rates. These gimmicks come along with substantial warranties and have bettered air quality competent of getting rid of hassles like moisture, mold and condensation.

It is preferable to install basement dehumidifiers in an enclosed area for better efficiency. Installing exhaust fans in the bathrooms and ceiling fans in the basement will support in proper air circulation for sufficient ventilation. Basement dehumidifiers work in a simple way by drawing water vapor from the air and gathering it in a keeping tank by condensation and then freeing the water through a drain pipe. They may be installed permanently with the support of a qualified professional or are portable for the user’s comfortableness to carry it wherever possible.

(This post was original published at the blog -KeystoneBasementSystems.com)

Humidex Air Systems Image

Humidex Air Systems Picture

Humidex Air Systems Pic

Most helpful client reviews

1 of 1 humans found the following review helpful.
HVAC textbook
By Luis Yanez
This book is very good for students that look for direct explanations without the deceiving academic jargon.
Fast deliverance and very good packaging.