Dear Jim: With natural gas prices so high now, I think I should replace my old furnace even though it still works. I want the most efficient design to save money and reduce pollution. What models ...

Q: With gas prices so high now, I think I should replace my old furnace even though it still works. I want the most efficient design to save money and reduce pollution. What models should I consider?

Dear Jim: 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 ...

Even if your old furnace was not beginning to need expensive repairs, installing an efficient one would cut your utility bills significantly. In addition to a 40-percent savings on your utility bills, ...

'These standards, which take effect late 2028, require non-weatherized gas furnaces and those used in mobile homes to achieve an annual fuel utilization efficiency of 95 percent'. Image by Marvin ...

Are you replacing your HVAC system soon? This video explores the pros and cons of standard versus high-efficiency HVAC systems. It covers the steps for removing an old furnace and detailed ...

CNET contributor Don Reisinger is a technology columnist who has covered everything from HDTVs to computers to Flowbee Haircut Systems. Besides his work with CNET, Don's work has been featured in a ...

“While heat pumps are a growing market on their own merits, this will effectively eliminate consumer choice for many homeowners and drive them to electrification.” Barton James has a problem with a ...