Meeting/Event Information

High Efficiency Energy Recovery

November 12, 2019
12:00 PM CST to 1:00 PM CST
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Koch Air – Evansville
1900 W Lloyd Expressway
Evansville, IN 47712

Klas C. Haglid, P.E., R.A., CEM, NCEES

Haglid Engineering & Associates, Inc. - Principle

Building Performance Equipment (BPE) – Owner, Inventor

Hillsdale, NJ

Klas has served as Chairman of the ASHRAE Technical Committee 5.5 Air-to-Air Energy Recovery and Chairman of ASHRAE Technical Committee 7.8 Owning and Operating Costs. As an active member of ASHRAE, he has moderated forums and seminars, presented at several ASHRAE Annual Meetings, and published extensively on issues involving energy recovery and HVAC issues.

Mr. Haglid is currently a consulting engineer, has worked in a research positon with Dupont, staff consultant to Atlantic Electric and the US DOE. He provides HVAC engineering services nationally and internationally from his offices in New Jersey. He has received a DOE award for energy recovery in a school design and the inventor and holder of many patents for equipment and systems that combine energy recovery devices and controls strategies. He is the author of the ASHRAE Owning and Operating Buildings Chapter of the ASHRAE Handbook for 2011 and 2019, routinely publishes informative and well documented newsletter focusing on IAQ, won an Engineering Emmy from Urban Green and USGBC in 2012, and is a fellow NAFE of NSPE, VP Policy Procedures IBFES, and Paul Harris Fellow. He is registered as a Professional Engineer and/or Architect in many states.

The presentation will focus on air to air energy recovery. When applied and designed correctly, high efficiency ERVs provide higher IAQ while reducing energy usage, that is not always intuitive. Mr. Haglid will first present his design of a large commercial/industrial complex which operates at Net Zero Energy. He will then present a case summary relative to home Radon. In particular, details of air pressure differential in home ERV’s is presented with data from an actual site. The presentation will conclude with an overview of one of Mr Haglid’s design of high efficiency energy recovery equipment.

Participants will receive 1.0 Professional Development Hours (PDHs) which may apply also for Continuing Education (CE) hours from the U.S. Green Building Council (GBCI).


            November:      High Efficiency Energy Recovery & ASHRAE Radon Article

            December:      RP Event #1

            January:         Ford Center – Refrigeration Tour

            February:        ASHRAE Standard 62 and lowering OA Requirements

            March:            Tom Durkin, ASHRAE DL – Dehumidification

            April:              Joint Meeting with Central Indiana in Bloomington, IN 

            May:               RP Event #2

            June:              Indiana PE Ethics/Codes/Statutes


$0.00 Chapter Dues Paying Members Only

$20.00 Non-members and Guests

$0.00 Students