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The article recommends ways to reduce campus energy bills by increasing boiler efficiency through retrofits. The recommended strategies include locating the inefficiency, starting retrofits in the control system by installing programmable logic controllers, using an oxygen trim system in the exhaust gas, using a variable speed drive and incorporating heat recovery into the boiler system.

The article focuses on the significance of boiler retrofits in increasing the efficient education but decreasing the energy bills in schools in the U.S. It notes that upgrading boiler systems help save schools money in energy costs, allowing them to redirect funds to the classroom. New developments in boiler controls create opportunities for substantial efficiency gains. Using an oxygen trim system in the exhaust gas make a boiler system more efficient.

Like hand in glove, high performance and lower cost can go together. [ABSTRACT FROM AUTHOR]

The article focuses on cost issues arising from the advances in glove manufacturing. At first glance, technical materials used to meet demands for more comfort and protection are more expensive than such traditional materials as leather and cotton. The resulting higher price, however, is only one of the factors in selecting the right glove. Safety managers and purchasers should therefore be looking at only one thing, the total system cost.