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DTSTART;TZID=America/New_York:20260424T120000
DTEND;TZID=America/New_York:20260424T130000
DTSTAMP:20260423T140727
CREATED:20260305T172229Z
LAST-MODIFIED:20260305T172229Z
UID:7955-1777032000-1777035600@wallaceeannace.com
SUMMARY:Controlling Condensing Boilers & Water Heaters (1 PDH)
DESCRIPTION:Date: April 24\, 2026 \nTime: 12 PM – 1 PM \nLocation: Virtual \nPDH: 1.0 PDH \nTrainer: Robert Barrett  \nThis presentation looks at the efficiency curves of condensing boilers and compares these curves to NYC weather bin data to determine the efficiency of a condensing boiler over a heating season when it is designed for non-condensing design temperatures of 180F-160F. \nBoiler outside air reset control savings are compared to pump VFD savings; control options are discussed. Also\, water heater piping design is demonstrated to have a large impact on domestic hot water heater efficiency. Some Lochinvar products are discussed along the way. \nTakeaway: \n\n Understand what causes a boiler to condense and how to optimize this\n Detailed review of condensing boiler efficiency curves as they relate to boiler LWT-reset and NYC weather data\nCompare the savings associated with boiler LWT reset versus the savings associated with constant LWT and variable speed pumping.\n Discover how to make every DHW application operate in condensing mode\nUnderstand the benefits of applying a front-end lo\n\nWho should attend: HVAC & Plumbing design engineers \n1.0-PDH            Duration: 1-hour                PS#20207027 \n  \n \n 
URL:https://wallaceeannace.com/event/controlling-condensing-boilers-water-heaters-1-pdh-2/
LOCATION:online
CATEGORIES:B&G,Lochinvar,Sentinel
ORGANIZER;CN="Wallace Eannace":MAILTO:Lflores@wea-inc.com
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20260508T120000
DTEND;TZID=America/New_York:20260508T130000
DTSTAMP:20260423T140727
CREATED:20260305T172836Z
LAST-MODIFIED:20260305T172836Z
UID:7957-1778241600-1778245200@wallaceeannace.com
SUMMARY:AHRI and ASHRAE 90.1 Apply to Plate and Frame Heat Exchanger (1 PDH)
DESCRIPTION:Date: May 8\, 2026 \nTime: 12 pm – 1 pm \nLocation: Virtual \nPDH: 1.0 PDH \nTrainer: Chris Abbott \n\nAHRI 400 definition\nScope of AHRI 400\nAHRI certify all\nASHRAE 90.1\nEconomizer and ASHRAE 90.1\nState adopted ASHRAE 90.1\nUS Climate zone\nSample of economizer\n\nWho should attend – Plumbing & HVAC engineers \n1.0-PDH            Duration:  1-hour     \n  \n \n 
URL:https://wallaceeannace.com/event/ahri-and-ashrae-90-1-apply-to-plate-and-frame-heat-exchanger-1-pdh-2/
LOCATION:online
CATEGORIES:B&G,Lochinvar
ORGANIZER;CN="Wallace Eannace":MAILTO:Lflores@wea-inc.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20260522T120000
DTEND;TZID=America/New_York:20260522T130000
DTSTAMP:20260423T140727
CREATED:20260305T174344Z
LAST-MODIFIED:20260305T174344Z
UID:7959-1779451200-1779454800@wallaceeannace.com
SUMMARY:Basic Hydronics – Most Frequent Questions\, Comments and Concerns  (1 PDH)
DESCRIPTION:Date: May 22\, 2026 \nTime: 12 pm – 1 pm \nLocation: Virtual   \nPDH: 1.0 \nTrainer: Chris Abbott \n  \n\n-Pumps -System curve\n-Head overestimation impact\n-Minimum flow\n-Expansion tank -Expansion tank types\n-System pressure\n-Tank location\n-Plate and frame heat exchangers\n-Fouling factor and excess surface area\n-Balancing\n-Why balancing\n-Direct and reverse return system\n-Impact on variable speed\n\nWho should attend – Plumbing and HVAC engineers \n1.0-PDH              Time:  1-hour \n \n 
URL:https://wallaceeannace.com/event/basic-hydronics-most-frequent-questions-comments-and-concerns-1-pdh-3/
LOCATION:online
CATEGORIES:B&G,Lochinvar
ORGANIZER;CN="Wallace Eannace":MAILTO:Lflores@wea-inc.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20260619T120000
DTEND;TZID=America/New_York:20260619T130000
DTSTAMP:20260423T140727
CREATED:20260331T194512Z
LAST-MODIFIED:20260331T194512Z
UID:7968-1781870400-1781874000@wallaceeannace.com
SUMMARY:The Art and Science of Domestic Hot Water Design (1 PDH)
DESCRIPTION:Date: June 19\, 2026 \nTime: 12 pm – 1 pm \nLocation: Virtual   \nPDH: 1.0 \nTrainer: Robert Barrett  \nThis presentation covers the fundamentals of heat transfer\, dissecting each variable. It covers fixture accounting\, occupancy assumptions\, fixture schedules\, DHW percentages and cold-water requirements\, fixture units\, diversity factors\, and high level assumptions. \nTake-away: \n\nLearn to be comfortable with the basics of heat transfer as it relates to production of potable hot water\nDiscover a means of calculating domestic hot water loads that allows the engineer to record all of the assumptions and directly calculate the DHW demand (no more “black-box” methods).\nGain greater understanding in what goes into determining diversity factors\, assumptions on occupancy and other human factor elements.\nCompare ASHARAE sizing methods to fixture flow and usage methods of sizing DHW demand.\n\nWho should attend:  Plumbing & HVAC design engineers \nPDH-1.0              Time:  1.0 hours             PS#20218082 \n  \n \n 
URL:https://wallaceeannace.com/event/the-art-and-science-of-domestic-hot-water-design-1-pdh-3/
LOCATION:online
CATEGORIES:B&G,Lochinvar
ORGANIZER;CN="Wallace Eannace":MAILTO:Lflores@wea-inc.com
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