Most noncondensing residential furnaces use natural draft to drive the combustion process. Even 80%-AFUE furnaces with combustion blowers are natural-draft furnaces. The combustion blower in an 80% ...

Q. We purchased a home that was built in the 1960s. The forced air furnace is new, but the metal flue pipe from the furnace is connected to the original concrete flue pipe that extends up through the ...

As you go for that morning jog ( You are jogging every morning, right? Immediately after that low-fat, lemon, poppy-seed, caramel muffin and the soy latte) you probably note amidst the quiet and still ...

QDEAR BARRY: We're buying a 12-year-old house and there is a difference of opinion between our home inspector and a heating contractor. Our inspector checked the forced-air furnace for carbon monoxide ...

Q. My question concerns the exhaust/intake pipe for our forced air oil furnace. The exhaust pipe is inside the intake pipe. Both are mounted outside the house about one foot above ground level. We are ...

Amid Sunday night’s blast of chilly weather, James F. Smith decided to warm his Essex home by turning on the furnace for the first time this season before settling in for the night. But he didn’t ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. overall - from catalog card: 5 in x 4 ...