Newly-manufactured indoor residential gas furnaces will have to be at least 95% efficient starting in late 2028 under a new rule issued by the U.S. Department of Energy (DOE). In an effort to save ...

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 ...

Derived from the Latin word fornax, meaning oven, a furnace is a large heating appliance designed to evenly distribute heat throughout a building. Furnaces accomplish this by burning fuel internally ...

There are some carbon monoxide safety hazards in some of the Lennox hot air heating furnaces installed before 1990. Being informed of and recognizing these and other hazardous appliances are paramount ...

Cooler temperatures aren't here yet, but it's worth researching ahead of time if you're in need of a furnace upgrade. Fortunately, the market these days is flooded with options. To pick the right one ...

Lexie is a former Staff Writer at Forbes Home and has over 6 years of professional experience as a writer and editor in the home improvement space. She's previously worked at sites such as HomeAdvisor ...

At least half of American homes are heated by natural gas, and when a gas furnace breaks the families in them can be left without heat for a day or often longer. That’s what our members who rely on ...

Erin Gobler is a personal finance writer based in Madison, Wisconsin. She writes about topics including budgeting, student loans, credit, mortgages, investing and insurance. Her work has been ...

A draft hood used to effectively ventilate the area around older “gravity vent” furnaces. Because current furnaces lack this feature, the condition described below results in some unburned gas ...

Plant operators have used combustion flue gas analysis for decades as a method of optimizing boiler combustion fuel/air ratios. By measuring the amount of excess oxygen and/or carbon monoxide (CO) in ...