Gas and oil furnaces burn fuel to provide heat for homes, and that presents a basic problem. Every combustion process produces noxious gases. How do you keep those gases from circulating throughout ...

Katie Burger of St. Paul said she still gets angry about the time a heating contractor red-tagged her 25-year-old furnace. The contractor disabled it a year ago because of a cracked heat exchanger ...

Always follow manufacturer's specifications. Atmospheric draft appliances tend to have higher excess air readings and higher stack temperatures due to less-complex heat exchanger designs. Remember, ...

Gayle Zook of Blaine had a 19-year-old furnace until Monday, when it was replaced after being red-tagged on Friday. Red-tagging, the practice of a heating and air conditioner technician shutting off a ...

Kelly has over 10 years of experience writing about home design and improvement for many prominent publications. She also spent several years working at a tech startup for an interior design game ...

Homeowners in Ontario and Wisconsin have launched class-action lawsuits against Carrier Corp., which manufactures several popular brands of furnaces, seeking compensation for corrosion in furnaces ...