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The American Society of Civil Engineers gave wastewater infrastructure an average grade of D+ citing 772 communities in the U.S. in which wastewater and rainwater drain into the same treatment system

How much ventilation should be provided in a building?

In many parts of the U.S., homeowners with basements have to manage rising humidity levels for most of the cooling season

ANSI/ASHRAE Standard 209-2018 is the product of a half-decade of inertia within the building design and construction community toward leveraging energy modeling a design tool through a project.

At first blush, the chart looks very complicated. There are layers of axes and curved reference lines. However, a closer examination reveals that the chart is conveying the answers to two related question

In order to distinguish between the different types of heat in the air, one must determine the air's enthalpy

Air always has some amount of moisture in it. Proportionately, it is a very small amount of moisture relative to the overall air mass

The Law of Conservation of Energy is the foundation of phase change in the physical environment

The following are five diagrams that frequently work their way into slide decks about green building design and construction

Just how much of a difference do incremental changes in the standard actually make in application?