1 Place the vegetables that take the longest to cook in the pan. 2  Do not crowd the vegetables or they will steam instead of roast. 3  If you like, add 1 or 2 heads garlic with the tops trimmed off, several sprigs of thyme, and/or snipped fresh rosemary, oregano, or sage.
Studies have shown thatcontinuously monitoring a buildingâs energy systems canlead to reductions of 10 to 15 percent in annual energybills. For the typical 50,000-square-foot office building,thatâs equal to about $11,000 in savings per year!Savingstypically come from resetting existing controls to reduceHVAC waste while maintaining or even increasingcomfort levels for occupants. Commissioning usuallycosts between 5 and 40 cents per square foot.or the typical 50,000-square-foot office building,thatâs equal to about $11,000 in savings per year! Savingstypically come from resetting existing controls to reduceHVAC waste while maintaining or even increasingcomfort levels for occupants.
(Data is calculated using a 2003 U.S. Energy Information Administration survey of com-mercial buildings.) Using average commercial energy prices of $0.10 per kWh and $0.98 per hundred cubic feet, the average cost of power per ft 2 for office build-ings is approximately $1.73 for electricity and $0.31 for natural gas.anaging energy costs in office buildings your community energy company printed on recycled paper GS1613 09/13/2010 On average, a U.S. office building spends nearly 29 percent of its operating expenses on utilities, and the majority of this expenditure goes toward electricity and natural gas.