Q: The repairman says I need a new gas furnace. He recommends a super-efficient one because my chimney also needs repairs. What are my options for the best comfort and why is the chimney a factor? – ...

As compared to a typical older gas furnace, installing one of these 90-percent furnaces can cut your heating bills in half. Although the majority of the savings results from the higher efficiency, a ...

Replacing the old furnace in your central heating system with a new, more efficient model can offset volatile energy prices. Money aside, today’s furnaces pollute less and boost comfort by producing ...