■ BY SEAN GROOM I nstead of turning down the thermostat on the way to bed and again on the way out the door, you can cut home-heating costs and count on a reliable, comfortable temperature with one of today’s program­mable thermostats. Basic models ($30 and up) store different settings for weekdays and weekends. More […]

Solar Hot Water

■ BY SCOTT GIBSON T here’s nothing like a looming energy crisis to bring history full circle. More than a century has passed since Clarence Kemp, a Baltimore heating-equipment deal- er, came up with the first commercial solar water heater. His patented Climax Solar Water Heater, which sold for $25, was a hit. More-efficient designs […]