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Retrofitting

Point-of-Use Applications

One helpful service the architect can provide the HVAC designer is to avoid placing specialty spaces at remote locations. For example, consider a large storeroom situated at one corner of a floor plan, with the […]
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Retrofitting

Roof and Wall Colors

The color of the roof and walls can have an impact on the energy-use characteristics of a building. In a region with a long and demanding cooling season, it’s advantageous to have a light-colored, reflective […]
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Retrofitting

Understand Heat Gain in Zones

The internal heat sources in conditioned spaces are usually divided into lights, people, and equipment categories. Lighting Most designers use a factor of 1.0 or less for the heat produced by all lights. People Any […]
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Retrofitting

Optimum Space Temperatures

Many people have the mistaken impression that all the rooms in a building need to be kept at the same temperature all the time. When the idea of conserving energy by changing the thermostat setting […]
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Retrofitting

Thermostats in Low-Use Areas

In many installations, corridors and lobbies aren’t in constant use throughout the day. School corridors between classes are one example, although most buildings have hallways that don’t need to be fully conditioned all the time. […]