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For many years, there has been little improvement in the heating efficiencies in the US. A recent report from the Pacific Northwest National Laboratory (PNNL) demonstrated a 37% overall improvement over the past 25 years across commercial buildings when built to ASHRAE 90.1, but only a 1% improvement in heating efficiencies over the same time period (Rosenberg et al., 2014). For many of these buildings that do not require space cooling, non-centralized equipment such as unit heaters provide the space heating to building occupants. A recent field study demonstrates how High Temperature Heating & Ventilation (HTHV) technologies can save 20% gas savings and 15% utility cost savings when replacing standard unit heaters in high-bay applications (Young 2014). EnergyPlus energy modeling shows 34% gas savings and a 92% electric savings over ASHRAE 90.1 (2004) minimum efficiencies when these same HTHV systems are used to both heat and provide outside air requirements in these same high bay applications (Hedrick 2009). If widely adopted to replace traditional heating systems and/or heating and ventilation systems for Warehouse/Distribution applications, HTHV technologies would have a significant impact on overall energy in the U.S.

Citation: 2016 Winter Conference, Orlando, FL, Conference Papers

Product Details

Published:
2015
Number of Pages:
6
Units of Measure:
Dual
File Size:
1 file , 1.3 MB
Product Code(s):
D-OR-16-C009