Retrofitting

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Retrofitting

Optimized Start/Stop of Air-Handling Units

This is a more sophisticated use of the on/off controls of all the air- handling units in a building, typical for a dormitory type of building. Instead of a complete cutoff of power to a […]
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Retrofitting

Two-Way Valves

Yet another fluid-circulation arrangement requires the installation of a two-way valve at each air-handling unit to modulate flow through the coil. In contrast to the constant-flow three-way valve system, the two-way valve delivers a variable […]
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Retrofitting

Thermal Storage

The concept of thermal storage takes many guises that range from cold- water storage to ice creation and storage. Some systems have a dedicated ice-creating chiller operating with a glycol solution, while others use existing […]
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Retrofitting

Adjust Sump Fluid-Level Control

If your house has a basement or any rooms below grade, the floor is probably graded to collect any water seepage into a sump ~ a pit in the floor.  An electric sump pump drains […]
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Retrofitting

Water Softener Considerations

When water evaporates, it leaves all the dissolved solids behind. This is a common problem with hard water in water heaters. The solids build up on heating elements and diminish the efficacy of the heat-transfer […]