Axial Fan Inspection for Commissioning by Dave Furrer, PE
Inspection of axial fans for commissioning is a critical step in ensuring the efficiency, safety, and reliability of industrial and HVAC systems. As part of a deeper dive into equipment manufacturer’s literature, I’ve put together an overview of the procedure for inspecting axial fans with…
Thermal Gain
Weather in Hillsboro, OR has been HOT recently, and this is the largest cooling load many of our projects have ever seen. To make sure the equipment is working as intended, Caleb Aring and I have been reviewing trends and performing off-season tests. At one…
Air Handling Unit Control: Energy Recovery Wheel
Energy recovery wheels with bypass dampers are commonly installed as part of your dedicated outdoor air handling unit. The effectiveness of energy transfer has improved as energy wheel technology has improved. When and when not to use the energy wheel continues to be a source…
Networked Lighting Controls: LEDs and Simplicity
Lighting technology has made huge strides in recent years. LEDs are here to stay while the various lighting controls options continue to grow in number and complexity. LEDs appear to be the clear winner for providing electric light. They are significantly more efficient and longer…
Air Handling Unit Control: Night Setback & Free Cooling
The building automation system (BAS) has the capability to perform whole building, complex sequence of operations. Two simple sequences that lead to big energy savings are night setback and free cooling. A complex air delivery system or a basic packaged rooftop unit with a stand-alone…
Do I Need A Commissioning Systems Manual?
First and foremost, many energy programs give you points for enhanced commissioning including the turnover of a commissioning systems manual as a requirement. More points typically translates to a more efficient building and more accolades. Aside from that, as building systems become more and more…