Watch Richard and Kevin investigate mechanical rooms on their trip to Germany and explain why the country is a world leader in energy efficiency. Follow Kevin's return to the states to help Ross install a residential wind turbine in Texas.
Episode Duration: 24 minutes and 21 seconds
Episode Number: 1404
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Ask This Old House travels across the country to help homeowners tackle everyday home improvement projects.
For 20 seasons, our expert contractors have revealed tricks-of-the-trade while working alongside homeowners to solve each problem.
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