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Take control of home heating
Thermostats used to be primitive on-off switches that required a lot of tweaking -- up a hair to ward off a chill, then down a hair to cool off.
By Mike McClintock
January 17, 2008

Thermostats used to be primitive on-off switches that required a lot of tweaking -- up a hair to ward off a chill, then down a hair to cool off.
By Mike McClintock
January 17, 2008