Low/No Cost Energy Savings Opportunities

SKU: RVI-11491Duration: 20 Minutes

In managing the energy consumption of a building, there are two goals. One is to provide and maintain the comfort of the occupants, and one is to minimize the amount of energy, and therefore money, consumed in the process. This interactive online course will cover some low-cost methods that can be used to minimize building energy consumption.

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One application of a timeclock would be to turn outdoor security lights on and off, rather than leave them on all the time.

The price of operating with plugged filters is an increase in energy consumption.

With motion based occupancy sensors, an occupied room remains lit, but lights turn off shortly after the room is vacated.

Course Details

Specs

Training Time: 20 minutes

Compatibility: Desktop, Tablet, Phone

Based on: Industry Standards and Best Practices

Languages: English

Learning Objectives

List the advantages of a reset schedule
Define night purge
Calculate energy costs
State the frequency in which BAS sensors should be calibrated
List critical BAS sensors as related to energy savings
Define demand ventilation
Convert kW to BTU
Calculate degree days
Define ratcheted peak
Identify how power factor is measured, what increases costs, and how to offset costs

Key Questions

The following key questions are answered in this module:

How is the energy efficiency of a building determined?
Energy efficiency of a building is determined by the original design of the building, design of the energy consuming equipment in the building, and the manner in which the equipment is operated.

What is a timeclock?
A timeclock is an electromechanical clock-like device which automatically switches electricity on and off to a device or circuit, based on a preset schedule.

What is a BTU?
A BTU is the amount of energy requirement to increase the temperature of one pound of water by one-degree Fahrenheit.

What is a low-cost operational strategy to reduction energy consumption?
Identify times and circumstances where the operation and energy consuming systems can be modified to reduce energy consumption.

What is a night purge?
In a night purge, air handlers in a building are started in the middle of the night, outside air dampers are opened, and the VAVs are opened 100%, cooling the building by bringing in/circulating night air, saving energy.

Sample Video Transcript

Below is a transcript of the video sample provided for this module:

In addition to monitoring the performance of the “primary” energy consuming systems like the refrigeration and heating units, there are secondary systems that can sometimes be overlooked. Poorly maintained secondary systems can easily waste energy and money. One example of this type of equipment is cooling towers. They remove heat from chillers and are relatively basic in construction, but if they are not maintained, water deposits, algae growth and plugged nozzles can lead to poor performance and decreased energy efficiency. Steam traps represent another potential “silent” energy loss. Steam traps separate steam from hot condensate in condensate return systems. If they fail, they can allow steam to leak through them and eventually escape the system. Although the heating system will appear to operate normally, energy consumption will increase and efficiency will drop. Periodically monitoring steam traps is a low-cost method of preventing energy waste.

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