Heating water can be a large contributor to energy usage in both residential and commercial buildings. The installation of low-flow water devices can reduce the amount of water that needs to be heated, leading to energy savings and reductions in greenhouse gas emissions. Unfortunately, many properties still use higher-flow devices, due to various reasons including inertia, the split incentive problem and the lack of a financial incentive for organizations to work with property owners to bring about change.
To encourage the use of low-flow water devices, Challis Water Controls has developed a revision to CDM methodology AMS-II.M, Demand-side energy efficiency activities for installation of low-flow hot water saving devices. This revision, VMR0005 Methodology for Installation of Low-Flow Water Devices, adds the installation of inline devices as an eligible project activity. Inline devices are low-flow water devices that are installed within a water flow device (like a showerhead) without the need to completely replace the device. Installation of inline devices increases energy efficiency by decreasing water flow, thus reducing the amount of energy required for heating water.
This revision also provides alternative methods for monitoring parameters and quantifying emission reductions. These streamlined procedures aim to cut the costs associated with developing these projects and consequently increase their financial viability. VMR0005 is available for immediate use.
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Chief Program Officer