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April 23, 2024

How Much Condensation Occurs With Various Insulation Thicknesses?
By Gökhan Kahraman and Erdem Isiks
Condensation is an important phenomenon to be avoided in building elements. A study calculated the response of insulation of different thicknesses applied in two different wall types to minimize condensation in a building in four different heat zones in Turkey. The aim was to determine more clearly in which cases the building is protected from moisture damage and the extent to which thermal comfort is provided. Read more
By Monjed G. Barakat, P.E., Member ASHRAE; Chad Riggs, P.E., Associate Member ASHRAE; Brad Bittmann, Associate Member ASHRAE; and Alicia DeCesaris, P.E., Member ASHRAE
Originally built in 1928 with additions in 1950 and 1965, Aldie Elementary School is designated as a historic building and includes classrooms, cafeteria/multipurpose space, kitchen, library and administrative areas and serves 110 students. As a result of COVID-19, Loudoun County Public Schools renovated the building to provide outdoor air ventilation at levels meeting ASHRAE Standard 62.1-2010 requirements and modernize the building energy and envelope systems. Read more
The amount of time students spend in school corridors is small compared to time spent in classrooms. But Lisa Ng, Ph.D., Member ASHRAE, believes it’s important for school corridors to be ventilated beyond what’s currently required by ASHRAE Standard 62.1-2022, Ventilation and Acceptable Indoor Air Quality. She joins Journal Technical Editor Rebecca Matyasovski to explain why.
Ventilation in School Corridors
By Meghan K. McNulty, P.E., Member ASHRAE; Wade H. Conlan, P.E., BCxP, Member ASHRAE
ASHRAE Standard 241’s requirements can make indoor spaces more resilient to the spread of airborne infectious diseases. Buildings that comply with this standard will have the capacity to respond during times of elevated risk with systems that provide the necessary equivalent clean airflow for infection control. This column explores Standard 241’s requirements for operations and maintenance in high-risk times (infection risk management mode) and the importance of creating a Building Readiness Plan. Read more

How Much Condensation Occurs With Various Insulation Thicknesses?
Access Month Digital ASHRAE Journal 
This month’s issue of ASHRAE Journal includes topics such as how much condensation occurs with various insulation thicknesses, the impact of outdoor air ventilation in school corridors and what a “single pane of glass” interface is. Access the digital edition here. 

Past Issues 
All articles and columns published in ASHRAE Journal since 1997 are available  in pdf format at no cost to members through ASHRAE’s Technology Portal.
ASHRAE Job Board
Data Center Electrical Engineer Equinix; Nuevo León, Mexico
Adjunct Instructor - HVAC-R Oklahoma State University; Durant, Okla.
Foundation Engineer - $2,500 Hiring Incentive SD Department of Transportation; Pierre, S.D.
Electrical and Instrumentation Technician DNV; Brampton, United Kingdom
HVAC Controls Software Engineer Ledgent Tech; West Sacramento, Calif.
Neutral Beam Electrical Engineer Princeton University; Princeton, N.J.
CAD Draftsperson Tiffany & Co.; Cumberland, R.I.
Building Official City of Thousand Oaks; Thousand Oaks, Calif.
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