At a firing rate of 100,000 Btuh with SSE = 75 percent, then 75,000 Btuh goes to the distribution system and the remaining 25,000 Btuh goes through the vent. If the burner on-cycle is 12 minutes, or ...

AUSTIN, Texas — With all the cold weather coming in, many people may be lighting fires to stay warm. But before you do, it’s important to make sure your chimney is completely cleared out first.

Deep-sea hydrothermal vent chimneys harbor a high diversity of largely unknown microorganisms. Although the phylogenetic diversity of these microorganisms has been described previously, the ...

NEPA @ Work. Olympia Chimney & Venting. 11/13/2024 | 4m 49s Video has Closed Captions | CC. Learn how Olympia continues to expand while maintaining a close-knit, supportive work environment.

'Chimney caps, vent pipes, gutters': Why some woodpeckers are major metal heads. May 31, 2024 7:00 AM ET. Sacha Pfeiffer Woodpeckers aiming to make a lot of noise, switch from wood to metal.

A few weeks ago, at about 6:45 in the morning, I was at home, waiting to talk live on the air with Morning Edition host Michel Martin about a story I'd done, when I suddenly heard a loud metallic ...

“B” vent is double-wall. It is galvanized steel on the outside, with an aluminum inner pipe. B vent is rated only for gas appliances. It is used as a vent connector for all 78 percent and 80 percent ...

The range of metal they'll drum on includes chimney caps, vent pipes, gutters, aluminum siding, TV antennas, drain pipes, satellite dishes and power pole transformers, according to Brian Smith ...