Air recirculation in ventilation systems is essentially the mixing of a certain amount of exhaust air into the supply air. This process provides a reduction in energy consumption when heating fresh ...

ATLANTA — A proposed change to the ventilation rate procedure in the American Society of Heating, Refrigerating and Air-Conditioning Engineers’ (ASHRAE’s) indoor air quality standard is open for ...

ATLANTA – A proposed change to the ventilation rate procedure in ASHRAE’s indoor air quality standard is open for review after changes were made based on public input last year. ANSI/ASHRAE Standard ...

This paper highlights the system requirements and operating conditions of automatic air recirculation valves and reviews compatibility of existing calculator types with these requirements. When ...

There’s a debate within the multifamily building community as to the best way to ventilate residential buildings. There are three competing design options that can be implemented in residential design ...