This Old House Ask TOH | Heat Pump, LEDs, Houseplants
Richard installs a ductless heat pump. Scott shows new LEDs. Roger selects houseplants. Details
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How a Heat Pump Works
The mystery of how it extracts warmth from the chilly air outside
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Efficient Lighting Lessons
TOH's experts help you navigate new bulb and fixture options
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Energy Efficient Lighting Options
Compact flourescents, LEDs, and halogen prepare for their turn in the spotlight
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Easy Houseplants
Advice on low-maintenance houseplants that anyone can grow
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