In winters, her monthly heating oil bill went upwards of $1,000. Her basement walls were coated with soot and stench. No more. This past spring, she evicted the old machinery and replaced it with ...

If so, it might make sense to replace my 14-year-old, 80 percent efficient furnace. What is the best ... in 'The Game' and frozen tundra at Wrigley Field ...

Electric furnaces typically last about 20 to 30 years, while natural gas and propane furnaces last 15 to 20 years. Some homes ...

I'm talking about Chevron's newly launched field of solar concentrating mirrors installed in an old oil field ... up and coax out heavy oil. Why use solar? Because heating water using sunlight ...