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Managing Energy Costs in Colleges and Universities Managing Energy Costs in Colleges and Universities Colleges and universities in the U.S. spend an average of $1.10 per square foot (ft2) on electricity and 18Â¢/ft2 on natural gas annually. In a typical college or university classroom building, lighting represents 31 percent and space heating accounts for 28 percent of total ener-gy use, making those systems the best targets for energy savings
Electric Radiant Heat. An electric radiant heating system uses either electric cables or a mat of conductive plastic installed beneath the flooring. The cost to install an electric system is comparable to that of a hydronic system; electric systems typically cost between $8 and $12 per square foot.Electric systems don't require a boiler, but because of the relatively high cost of electricity, they are significantly more expensive to operate than hydronic systems. water-heated system, called a hydronic system, is the most common type of radiant floor heating. In general, a hydronic system will cost between $6 and $16 per square foot to install.