 What has changed over the years with heating oil?
We have dramatically reduced the amount of sulfur in the fuel from over 1% in 1970 to an average of .2% today (an 80% reduction). This leads to improved efficiency, cleaner burning, lower environmental impact, and increased longevity for heating equipment. Today, many dealers have gone even further. They are marketing .05% sulfur fuel. Intelligent Warmth reflects this steady improvement and ongoing commitment to improve our fuel.
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