Absolutely. Sometimes I do a TCO analysis by subtracting the energy savings over 7 years (or 5, or 10 or whatever I estimate the useful life to be) from the mo

Absolutely. Sometimes I do a TCO analysis by subtracting the energy savings over 7 years (or 5, or 10 or whatever I estimate the useful life to be) from the more expensive price of the more energy efficient product. Occasionally it comes out less than the cheaper product.