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6 <br />boiler and distributed through fin-type radiators located in each classroom. A separate, modem <br />cooling package system was installed in the kitchen/dining area in 1999. <br />Windows are original to the building and are metal framed with single-glazed glass panels, with <br />a very low R-value, and therefore are a source of significant energy loss. To allow greater <br />energy efficiency in heating and cooling the building, window replacement is recommended. <br />The type of frame used for the window unit will also significantly affect performance. In general, <br />wood or vinyl frames are thermally superior to metal. In fact, metal framing has such a negative <br />impact on overall window pertormance, that there is usually little benefit to incorporating other <br />strategies, such as low-E films, low-conductivity spacers, etc., unless the frame resistance is first <br />improved. <br />Richard E. Whiffed Human Services Center <br />The Richard E. Whiffed Human Services Center is located at 300 West Tryon Street in <br />Hillsborough. The Center, which previously served as a high school consists of three main <br />buildings. The main building, which currently houses the Library, Department on Aging, some <br />Department of Social Services offices and Department of Housing and Community Development <br />was constructed in 1922. The east wing, which houses the Health Department and DSS offices, <br />was added in 1936 and is joined with the main building through a connecting corl7dor. The <br />Recreation Department is located in a detached building that includes main floor offices, <br />recreation rooms and a .gymnasium in the entire second floor. This building was constructed in <br />1951,. This property (including the recently deconstructed former Orange Industries building and <br />a parking lot located on the south side of Tryon Street) were acquired by the County in 1975. <br />Renovations to accommodate County functions were completed in 1982. <br />Much of the HVAC equipment dates to the 1970s and 1980s. Major boiler repairs .were <br />completed in 1992 and. the cooling tower was replaced in 1994. Much of the equipment is <br />approaching or past the end of its expected useful life and as such is becoming increasingly <br />unreliable, with increased maintenance costs. Windows were replaced with double glazed, <br />operable windows as part of the County's renovations. <br />htt :% www.ener sernews.com/eunlcda/article information/fundamentals item/0 2637 15033 OO.html <br />6 Prepared: 05/03/2001 <br />C:\Mv Documents\Abstracts20D1\06-D5-01\HVACIntroAtt0605.doc ~ Printed: 05/31/2001 <br />