Cooler temperatures aren't here yet, but it's worth researching ahead of time if you're in need of a furnace upgrade. Fortunately, the market these days is flooded with options. To pick the right one ...

The first modern oil furnace with a high-voltage system for self lighting was unveiled in 1918. By the mid-1920s, demand for oil furnaces was high and rising. Being a liquid, oil flows and can be ...