blower door
n.— «Before any work is done, an assessor is sent to each home to conduct a detailed examination using an infrared camera and what is known as a “blower door”—essentially an airtight door with an inset fan—to locate leaks and hot or cold spots.» —“Big funds for weatherization program” by Nathaniel Zimmer Herald News (Joliet, Illinois) Mar. 21, 2009. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...