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Green Home Renovation: By the Numbers
- 50 tons: Amount of CO2 generated by the construction of a new house.
- 15 tons: Amount of CO2 emitted by renovating an existing house.
- 10-40: Percentage of increased efficiency from using water-heater blanket.
- $15: Average cost of a water-heater blanket.
- 15-20 years: The average lifetime of a furnace.
- $50-$100: Amount that upgrading a single-pane window to energy-efficient window can save you per year.
- 1,700 pounds: Amount of CO2 that can be saved per house per year by caulking and weather-stripping doorways and windows.
- 2,000 pounds: Amount of CO2 that can be saved per house per year by insulating walls and ceilings.
- 1,000 square feet.: Average size of the American home three decades ago.
- 2,400 square feet: Average size of the American home today.
Sources: Green Renovation Myth’s Debunked, Home Energy Saver Ready, Set, Green: Eight Weeks to Modern Eco-Living
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