Carbonless at home?

05/21/2014 3:05 PM

05/22/2014 9:11 AM

I welcome the letter by Dr. Cooke of the Lung Association on health benefits from greenhouse gas reduction. It appropriately looked to AB 32 and this state's Cap & Trade program for carbon reduction.

Just a reduction? Why not go carbonless, at least in buildings whose heating, cooling and hot water still consume large amounts of natural gas? Real Zero Net Energy is more in keeping with the governor's executive order of 2012, calling for 100 percent Zero Net Energy residences by 2020 and for half of the state's existing buildings by 2025.

This can be accomplished by rooftop solar PV and geothermal heat pumps, working in concert with each other and sometimes with help from solar hot water. What a building needs can come from the earth and the sky without combustion, outside noise and contribution to heat islands in your neighborhood during the cooling season.

-- Bill Martin, Quincy

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