It’s looking a lot like Christmas around the country with a definitely chill in the air. If you haven't already had your heating system tuned up, now is the time. Neglect is a top cause of heating system inefficiency and failure, according to ENERGYSTAR.gov. Proper maintenance can help ensure your system works as efficiently and cost-effectively as possible throughout the winter. Failing to care for your heating system now could leave you without heat or with hefty emergency