26 Aug '14, 10am

Which Building Energy Statistics Make the Most Sense?

Which Building Energy Statistics Make the Most Sense?

There are many measures used to evaluate building energy efficiency: total kBtu 1,000 Btus , kBtu/sq. ft./year, kWh/year, therms/year, kWh/sq. m./year, $/year, kBtu/person — and more. But determining when to use which metric, and even more importantly, how to make sense of a comparison of the energy efficiency of two different buildings, is no easy task. Two glasses of liquid Let’s use two glasses of water as an example. Some comparisons seem black and white – such as the question of which of the two cups of water sitting in front of us is hotter. Obviously the one that burns your finger is hotter than the one with the ice cubes floating around the rim. RELATED ARTICLES Understanding Energy Units What’s the Difference Between Energy and Power? Houses Versus Cars Comparing Fuel Costs Strength in Numbers Energy Modeling Isn’t Very Accurate But the comparison becomes much mor...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/guest-blog...

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