Online educational resource on achieving indoor environmental quality with radiant based HVAC systems
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educational programs on indoor environmental quality

We're running it again, Integrated HVAC Engineering: Mastering Comfort, Health, and Efficiency.

ASHRAE Atlanta, July 2015

Start with Efficiency and Work Backwards: Low Temperature Space Heating for a Multipurpose Industrial Facility
Copyright (C) 2015, Robert Bean, R.E.T., P.L.(Eng.), Healthy Heating and content contributors, All world rights reserved

Our educational programs would not be possible without support from industry, and specifically the contributions from Uponor who are actively involved in ASHRAE on numerous committees and permit us to develop and deliver programs for the benefit of society.

One way to ensure systems deliver maximum efficiency is start with the necessary operating conditions and work backwards towards the choice of heat exchangers, exchange characteristics, interior design and building enclosures; and then create the necessary architecture to support these choices.

Learning Objectives:
1. Describe the necessary range of return temperatures to enable boilers to achieve their efficiency ratings.
2. Explain the relationship between heat exchange surface area and operating temperatures
3. Provide the reasoning for increasing tube density in embedded pipe radiant heating systems.
4. Describe the relationship between flux, flooring characteristics, radiant heating tube spacing and average fluid temperatures.

Password protected: The files are password protected and available to ASHRAE members and members of our IEQ Linked-In discussion group.  There is no charge for the file but at the very least you must be a registered member of our discussion group.

Instructions to obtain the password - follow these exactly as stated, if we are not responding to your request see below, "Top 5 reasons why we may not have sent you the password".



Use these links


down load file to the right, right mouse click and save to computer >>>>

ASHRAE Atlanta 2015


Go to the IEQ group and join up.
If you are already a member of our group go to Step 3
Note: we post notices in several Linked-In groups but we only manage password requests at the IEQ group, use link to right>>>

Go here to the IEQ Linked-In discussion group and request to join


In the IEQ group post this entire string of text:

"please send me the password for the ASHRAE Atlanta 2015 Seminar -
Start with Efficiency and Work Backwards at this URL <>"

Go here to post your password request (please don't post requests in other Linked-In groups, our admin. people don't monitor them)


If you have questions please post them in the IEQ group. Before sending us private emails for assistance see this page>>

Post questions here in the IEQ group or go here for Services

Top 5 reasons why we may not have sent you the password:
1 You have not joined our IEQ group as per instruction step #2.
Why is this important? Linked-In does not allow us to send private emails to non-members.
2 You have not posted a password request at the IEQ group as per instruction step #3
3 You have not included the text string as per instruction step #3
4 You have sent us a private email requesting the password - see instruction step #3 and step #4
5 You have posted a request in another Linked-In discussion group - see instruction step #2

Background - we have well over 800 pages at the website many with course slides and spreadsheet tools. In order for us to manage who wants what and from where, our administrative team assigns a password to a URL and uses the IEQ Linked In group to manage the request. Additionally our email is backlogged to last year so sending us private emails requesting passwords for this years conference material is an exercise in futility...if you really want the resources - please follow the instructions.

Search tag:  Efficiency, Low Temperature, Radiant, Space Heating, Multipurpose Industrial Facility

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