People spend upwards of 90 % of their time indoors. That makes the indoor environment crucial to regulate carefully. This has various components, but none are as important as the quality of the air. Continue reading
Dedicated outdoor air system (DOAS), is defined by the ASHRAE Journal as a system which uses separate equipment to condition all outdoor air (OA) brought into a building for ventilation, delivered to each occupied space, either directly or in conjunction with local space or central (zoned) HVAC units serving those same spaces. The local or central HVAC units are used to maintain space temperature setpoint requirements.
The next evolutionary step on the path to carbon neutrality is a functioning, super-energy-efficient, 220,000-square-foot office structure that is the largest net-zero energy building in the United States.
Traditionally, interior conditioning strategies have only ever placed importance on the management of indoor temperature and humidity conditions with the use of mechanical conditioning systems to provide thermal comfort. Owners and designer may not have known the alternatives available to them or the impact thermal comfort has on the building and its occupants.