Course description
In HVAC - Guide to Demand Control Ventilation, you'll learn ...
- What is demand-controlled ventilation (DCV)?
- How is DCV different from a fixed ventilation strategy?
- Which spaces would benefit most from DCV?
- What is CO2 based ventilation and what is the relationship between CO2 and the outside airflow rate into the space?
Overview
Credit: 4 PDH
Length: 51 pages
The ventilation rate inside a building is directly dependent on the number of occupants in the space. If we had the ability to economically count each person as they enter and exit the space, then we could provide exactly enough ventilation air to meet the needs of the quantity of people in the space. But in most buildings, occupancy is not tracked in real-time and therefore finding the right balance to optimize ventilation of your building is a challenge.
Most HVAC engineers design ventilation systems on the maximum anticipated building occupancy. This results in a waste of energy and money, due to over- ventilation during lean periods. Demand Control Ventilation (DCV) is a ventilation control strategy that provides just the right amount of outside air needed for the current human occupancy level, and no more. This accomplishes two things. First it saves energy by not heating or cooling unnecessary quantities of outside air. Secondly, it can provide assurance that sufficient outside air is being supplied for the number of occupants present.
This 4-hr course provides the framework necessary for integrating DCV into a HVAC system and includes background on ASHRAE ventilation standards. The course will take you through the design process and calculations needed to understand how to properly implement a DCV strategy.
This course is aimed at Mechanical and HVAC engineers, Project engineers, Architects, Building designers, Energy Auditors, Facility managers, Operational & Maintenance Personnel and others who are interested in learning the benefits of DCV.
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Upcoming start dates
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Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 20 questions. PDH credits are not awarded until the course is completed and quiz is passed.
Training content
This course teaches the following specific knowledge and skills:
- How to determine whether your space is appropriate for DCV
- How to estimate the minimum ventilation rate and the base ventilation rate for non-occupant related sources
- The primary differences between the ASHRAE 62-(1989 thru 2001) standards and the ASHRAE 62-2004 standard
- What type of CO2 sensor specifications are appropriate for the ventilation control
- The ideal location of CO2 sensors for constant volume and variable volume systems
- How to determine the quantity of CO2 sensors required
- The commissioning requirements for CO2 based DCV
- The important design issues that need to be accounted for in the design of a CO2 based DCV
- Important building codes/standards other than ASHRAE that apply to DCV
Costs
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