23 Dec '11, 10am

Payback Calculations for Energy-Efficiency Improvements

Payback Calculations for Energy-Efficiency Improvements

How soon do you expect to move? Most people are more likely to invest in home energy improvements if they plan to stay in their house for a long time. Will the improvement increase the value of your home? Do you expect energy costs to rise in the future? If the cost of energy rises quickly, home energy improvements will prove to be a better investment than if energy costs stay flat. Can you finance the work with a low-interest loan? The lower your borrowing costs, the better the investment. What is the expected lifetime of the measure you are contemplating? A long-lived measure like attic insulation is likely to be a better investment than the purchase of short-lived equipment like a new water heater. Will there be any maintenance costs associated with the energy improvement? Do you value the environmental benefits associated with reduced energy use, even if the cost of ac...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/musings/pa...

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