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Insulation and energy efficient lighting have pay back periods of less than 4 years
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Geothermal heating and cooling has a payback period of less than 10 years
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Wind energy has a payback period of about 35 years
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Solar energy has a payback period of more than 50 years.
Government subsidies have been masking the expense of wind and solar technologies, and somebody has to pay for those subsidies. We continue to encourage our clients to first look to insulate and upgrade to energy efficient lighting.
