This Book deals principally with solutions to mechanical contractor examination problems. Its aim is to assist practicing contractors and journeyman mechanics in successfully passing any examination anywhere.

The book includes over 575 actual questions and answers from previous exams covering air conditioning, refrigeration, heating, service and maintenance, sheet metal and ventilation, insulation, pressure and process piping, and test and balance. A special section explains the national codes... - more

BE AN AC AND REFRIGERATION ACE- NO MATTER WHAT YOUR PRESENT LEVEL OF SKILL!

Air Conditioning and Refrigeration helps you understand today's cooling and climate control systems-so expertly that you can use it as the foundation for a career!

Clear instructions-with over 800 photographs and illustrations-offer step-by-step guidance to learning the trade for students, professionals, and homeowners who want to do their own installations or repairs.

For anyone who needs clear, illustrated, step-by-step instructions - for efficient, cost-effective, and current methods in choosing, installing, maintaining, troubleshooting, servicing, and repairing today's AC and refrigeration equipment.- more

This module provides field technicians with a solid understanding of alternative refrigerants, refrigerant blends, oils, and their proper application.

Covered in this module are alternative refrigerants to CFCs and HCFCs, the Montreal Protocol, legislation and regulation, regulatory requirements, equipment certification, refrigerant leaks, mandatory technician certification, refrigerant sales restriction, reclaimer certification, safe disposal requirements, record keeping, hazardous waste disposal, and planning for the future.

Important definitions that must be known in order to comply with EPAs rules and regulations are also in this chapter. - more

This interactive CD-ROM is an excellent training tool that fully describes and explains the refrigeration cycle. The CD contains information on refrigerant pressures, states and conditions as well as how they apply to the refrigeration system.

Vapor pressures, subcooling, superheat, saturation, latent heat, and sensible heat are explained and applied to the refrigeration cycle.

Basic system components, their functions and applications are included. Each point in the refrigeration cycle is explained in detail. -  Buy Book and CD-ROM and Save! - more

Refrigerant pressures, states and conditions are covered, as well as how they apply to the refrigeration system. Vapor pressures, subcooling, superheat, saturation, latent heat, and sensible heat are explained and applied to the refrigeration cycle. Basic system components, their functions and applications are included.

Advanced topics such as; liquid pressure amplification, superheat suppression, floating head pressure, and refrigerant control systems are also included.

Detailed explanations of each point in the refrigeration cycle will clarify questions the reader may have. - Also Available - Interactive CD-ROM - Buy Both and Save! - more

Learn how to read and use blueprints like a pro!

Air conditioning drawings and hands-on exercises are the main focus of this new book, designed to help readers master the basics of blueprint reading and apply their new skills to work in the HVAC trade.

Ideal for both technical students and entry-level HVAC field technicians alike, Blueprints and Plans for HVAC, 2E begins by reviewing basic mathematic procedures and safety considerations.

A full set of actual blueprints for an air conditioning system in a commercial building is included for use in completing exercises in the book, enhancing the learning experience. - more

The mechanical and electrical portions of a building typically account for 30% or more of the construction costs. This type of work is very specialized and includes many various types of materials and installations which require detailed pricing - piping, valves, ducts, fans, chillers, condensers, conduit, transformers, etc.

All of these technical areas are covered. All costs are organized according to the industry standard CSI MASTERFORMAT which allows even the non-specialist to estimate easily. Over 8,000 unit prices, broken down into material and labor costs, and complete man-hour tables provide maximum coverage and flexibility. - more

With new footage throughout, this five-part video series provides a quick and comprehensive overview of boiler operation, from how steam is generated, through boiler types and operation, feedwater, steam, combustion, draft, valves, gauges, and pumps, to how to take over a shift.

New additional coverage includes personal protective equipment, emission controls, combustion efficiency, and water level control procedures. - more

Provides an overview of the latest information on safe and efficient operation of boilers and related equipment. It is a complete instructional package used in preparing to pass a boiler operator's license exam.

Over 2,000 questions grouped by subject are included in this new edition.

The workbook covers virtually all facets of steam boiler operation, maintenance, and troubleshooting. - more

Building Automation Control Devices and Applications covers the operation, signals, and functions of the sensors, actuators, and other control equipment used in automated systems in commercial buildings. It is a solid foundation for a comprehensive training program in building automation.

The textbook is organized by building system, and each system is explained so that the function and application of each device is clear. This system-based foundation is then used to discuss the possibilities of interaction between multiple systems in automated buildings. - more

This comprehensive, easy-to-read text builds your understanding of HVAC systems and the controls that manage them. Through illustrations and realistic examples, Building Environments: HVAC Systems clearly and concisely explains how mechanical and control systems work together to create quality building environments.

You'll learn the technical details behind these complex systems without being overwhelmed. Its unique style makes this fully illustrated text the best single reference if you are entering the HVAC industry or want to expand your knowledge of HVAC and control systems. - more

Carbon Monoxide a Clear and Present Danger is the collaborative effort of several of the brightest in the field of carbon monoxide detection, combustion analysis, and remediation.

This book is intended to address carbon monoxide issues encountered by;

• First Responders (Fire Department EMT personnel and other Paramedics)

• Inspectors (local government and independent home inspectors)

• Technicians (HVAC, Plumbers, and utility company workers) - more

To make certain that the HVACR service technician is properly trained in combustion analysis, renowned trainer and author Erik Rasmussen has written a new training manual titled "Combustion Analysis & Fuel Efficiency".

"Combustion Analysis & Fuel Efficiency" is written with emphasis on practical application. It contains the knowledge service technicians need to be productive and effective when installing and servicing combustion appliances.

The book is written at a level that most service technicians will understand. Considerable though and study has been devoted to the organization of this book, which makes it easy to follow or use in the classroom.

The combustion analysis manual is intended to raise the awareness about all things combustion and what all technicians should know being in the HVAC/R trade. - more

This book provides a solid foundation in comfort cooling that can be readily transferred to a broad understanding of medium and low temperature refrigeration equipment such as walk-ins, reach-ins, refrigerated cases, and ice machines.

Coverage specific to refrigeration in the food service industry is emphasized, with scores of practical tips that technicians can use right away in the installation and service of commercial equipment.

Coverage is delivered in a fun, conversational, and easy-to-understand tone, with immediate and practical application to situations likely to be encountered on the job. - more

Leak Alert sounds a very loud alarm when it gets wet, and keeps sounding the alarm for up to 72 hours.

Place Leak Alert anywhere there is a danger of flood or leaks,

• Under sinks
• Near water heater
• In basements
• Near dishwashers and refrigerators
• Under fish tanks
• Near plumbing and toilets

Features:

• Loud (95dB) alarm sounds with direct water contact.
• Floats and signals for up to 72 hours
• Fully automatic operation—no wiring required.
• Low battery warning for optimum safety and performance - more

A solid understanding of the compression system is necessary to successfully perform field service.

This module includes detailed information on compression ratio and volumetric efficiency. Practical examples and solutions are included to help the reader understand why some systems are more efficient than others.

The discharge and suction strokes of reciprocating compressors and how they relate to compression ratio and volumetric efficiency are explained.

Also covered in this module are: System flooding Migration Slugging Automatic pump-down systems with electrical circuit analysis Crankcase heaters Suction line accumulators Oil separators

Compressor performance curves and graphs, compressor specifications, parallel compressors and their oil systems are also explained in detail. Voltage variation is explained as it applies to compressors. - more

Constructionary is a handy, on-the-job English–Spanish/Spanish–English dictionary containing more than 1,000 construction terms, as well as pronunciations, useful phrases, and conversion tables.

This resource will help you improve communications, creating a safer and more efficient job site.

• Up-to-Date construction words and phrases
• Pocket size guide to more than 1,500 words and phrases
• Includes phonetic pronunciation
• Easy-to-use Tool section
• Practical Tables
• New Electrical, Plumbing and Mechanical sections - more

Nothing is more essential in the construction industry than reading blueprints, and this pocket reference is the best of the best!

Covering a multitude of trade industries, the DEWALT® Blueprint Reading Professional Reference gives plumbers, carpenters, roofers, electricians, flooring installers, and others access to all the important information.

Readers will learn how to read and understand blueprints, sections, elevations, schedules, site plans, architectural plans, structural plans, plumbing plans, HVAC & mechanical plans, electrical plans, and more. A comprehensive glossary of terms and abbreviations is also included for those on-the-job situations when a quick refresher is a must! - more

Information is featured for everything that contractors, service technicians, maintenance personnel, plant managers, engineers, designers, and architects need to know about OSHA.

All of the essential safety requirements for construction job sites across the US are brought together into this one, single-volume resource for industry professionals.

More than 350 pages of OSHA-compliant reference material gives readers total access to critical safety information.

Effective safety plans and sample forms are also included, making this the number one pocket reference for safety and OSHA-related regulations. - more

The Reference Guide for the HVAC Industry

The DEWALT HVAC Professional Reference is an ideal pocket reference book for anyone working in the climate control industry.

It covers the design, installation, service, testing, balancing and troubleshooting for common HVAC applications such as compressors, temperature, fans, pressure, duct sizing, refrigeration, air velocities, heat transmission, thermostats and much more. - more

Mechanical estimators, building contractors, and technical trade contractors alike will benefit from the straightforward, must-know HVAC estimating information that this book provides.

The DEWALT® HVAC Estimating Professional Reference guides readers through each step of the HVAC bidding process, beginning with identifying potential business opportunities, and progressing to estimating, conducting cost analysis, reviewing contracts, and finally, to closing the deal.

On-site worksheets, “Getting the Job” tips, and math shortcuts offer additional tools, making this a concise yet comprehensive resource for anyone preparing to bid for an HVAC job. - more

This new HVAC/R guide contains approximately twice as much content as the HVAC Professional Reference Guide.

With more than 750 pages of extensive information on such important topics as refr