Book Review: HVAC Engineer’s Handbook, Eleventh Edition

Fred Porges has worked in both the manufacturing and process industries, and became a partner in a building services consultancy in 1962. He has held senior positions with design contractors, and his experience covers every building service and type of building from schools to housing, factories to laboratories.

* Provides comprehensive data in compact form for ease of use
* Keep up to date with a full comparative summary of all air conditioning techniques
* Provides you with must-have information for dealing with HVAC

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HVAC Engineer’s Handbook, Eleventh Edition

hvac engineer’s handbook – f porges 2001 XINCA.com HVAC Controls & ELV Systems

In the almost sixty years since the publication of the first edition of HVAC Engineer’s Handbook, it has become widely known as a highly useful and definitive reference for HVAC engineers and technicians alike, and those working on domestic hot and cold water services, gas supply and steam services.

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The 11th edition continues in the tradition of previous editions, being easily transportable and therefore an integral part of the HVAC engineer or technician’s daily tools.

Newly updated data on natural ventilation, ventilation rates, free cooling and night-time cooling, make the 11th edition of the HVAC Engineer’s Handbook a vital source of information.

HVAC Water Chillers and Cooling Towers: Fundamentals, Application, and Operation

HVAC Water Chillers and Cooling Towers provides fundamental principles and practical techniques for the design, application, purchase, operation, and maintenance of water chillers and cooling towers. Written by a leading expert in the field, the book analyzes topics such as piping, water treatment, noise control, electrical service, and energy efficiency for optimal system and equipment performance and offers extensive checklists, troubleshooting strategies, and reference data, as well as recommended specifications for the procurement of new or replacement equipment.

HVAC Water Chillers and Cooling Towers Fundamentals, Application, and Operation

by Marcel Dekker

This reference also discusses proper installation and placement of chillers and cooling towers, start-up, and capacity.

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Siemens Honeywell Zone Thermostat Device Template

For UPnP™ Device Architecture V 1.0 Status: Standardized DCP Date: May 13th, 2003

This Standardized DCP has been adopted as a Standardized DCP by the Steering Committee of the UPnP Forum, pursuant to Section 2.1(c)(ii) of the UPnP Membership Agreement. UPnP Forum Members have rights and licenses defined by Section 3 of the UPnP Membership Agreement to use and reproduce the Standardized DCP in UPnP Compliant Devices. All such use is subject to all of the provisions of the UPnP Membership Agreement.

Overview and Scope

The HVAC_ZoneThermostat is intended to be a sub device of the HVAC_System device. Any number of HVAC_ZoneThermostats may be included in the system device. HVAC_ZoneThermostat is a zone level controller for heating and/or cooling. It provides the following functionality:

The ability to set or get zone level operating and fan modes. Temperature in the zone Zone level Heating and/or cooling temperature setpoints Optional fan speed control Optional zone level daily schedule for events and heating and cooling setpoints.

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Door and Window Draft Problems Eliminated

Money flies out of the window if you have a door and window draft issue. You can lose almost 50% of your heating and cooling energy in a typical home. According to the American Council for the Energy Efficient Economy, some $13 billion of energy escapes from the collective drafty windows and doors of the American people.

Door and window draft problems occur when a house has settled and windows and doors no longer fit properly. Any type of gap, no matter how small, causes air infiltration. This results in drafts, which will impact the set temperature in your home.

How to fix a door and window draft? Many people use homemade blockers, which are great for keeping out the drafts. Homemade snakes and even unused blankets are often used but they are not as good as a purpose made draft blocker. For example, the material used in the most effective examples is polypropylene, which has been specially designed and tested to ensure that it blocks the flow of air. Also, the filler is important and finely ground corn has been found to be most effective. Make sure that the draft blocker is flexible so that it first well around the window and door for good effect.

To pinpoint door and window draft areas, feel the bottom of doors and around windows. You can also listen for a whistling sound, which is common around drafty windows. If you feel air leaking in, you need to take action to seal off the draft. Doors and window in older home are more likely to have problems with drafts, but there could also be concern in homes with new replacement windows if they were installed improperly.

Look everywhere for causes of the door and window draft, not just the typical first choices, the rear and front doors. Check your basement and attic doors and any sliders and in particular look at the porch and basement windows before any else.

Although door and window draft problems are year-round issues, they are most notable in the winter season when the cold air is coming in. In cold months, your home’s heating system is trying to maintain a constant temperature, but the drafts are making it a tough task. The heating system remains on constantly or may be turning itself on an off incessantly to try to compensate. A drain on your bank balance is sure to result.

Door and window drafts are most often felt in the winter, but represent a big problem in the summer too, most especially if you use air conditioning and fans. The system tries to cool the house but hot air flows in through door and windows which just makes the colling system work harder. More energy burned equals a higher dollar amount at month end.

Many are amazed to realize that a full 25% can be saved in energy costs when door and window draft areas care fixed. Draft blockers are easy to put in place. They can be installed without any fixings and can be cleaned and dried without a machine. Draft blockers are proven energy savers. Even if saturated, the draft blocker can be airdried and will maintain its shape and efficiency.

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