Ondol (ON-dol; / ˈɒn.dɒl /, [1] Korean: 온돌; Hanja: 溫突/溫堗; Korean pronunciation: [on.dol]) or gudeul (구들; [ku.dɯl]) in Korean traditional architecture is underfloor heating that uses direct heat transfer from wood smoke to heat the underside of a thick masonry floor.

Ondol (온돌;溫突), also known as goodle (구들) or banggoodle (방구들), is an underfloor heating system that has kept traditional houses in Korea warm for thousands of years.

With the Ondol system, neither carpets nor shoes are required, and one can live in comfort and health upon the traditional hanji (Korean handmade paper) floor. Most importantly, the Ondol fulfils the primary purpose of heating, namely keeping the interior warm.

Jan 5, 2025 · Ondol, also known as Gudeul, is an incredible underfloor heating system that’s existed for centuries in Korea. The general idea of an Ondol system is that it harnesses the power and pressure of the flow of smoke from the fireplace (traditionally used to cook meals and rice) to heat up the house, rather than using heat directly from the fire ...

In its traditional form, the ondol utilizes direct heat transferred from wood smoke to the underside of a thick masonry floor. In modern times, the term ondol refers to any type of under-floor heating in Korean housing. "Gudeul," meaning "baked stone," is another name for an ondol.

Korean historians have recorded the use of ondol in traditional Korean housing, called hanok, as beginning around the end of the 19th century. Korean homes use the ondol heating system to warm their houses against the bitter cold that resides in Korea during the winter months.

Mar 23, 2023 · The Ondol heating principles have been used constantly from about 5000 BC to only a few decades ago, keeping your average Korean countryman nice and toasty. Having said that, the sophistication...

May 26, 2013 · Korea has a very unique heating system called the Ondol. This is the heating system that has been used in Korea for thousands of years, and still is the most common system in Korean architecture. To understand the Korean …

Nov 30, 2024 · In a nutshell, Ondol is a traditional Korean heating system where warm air circulates underneath the floor. The heat rises through the floor and warms up the whole room. This means you won’t have cold feet when you walk around the house—definitely something you’ll appreciate in the winter months.

May 5, 2018 · Frank L. Wright of the United States was the first western architect to develop a system of underfloor heating during modern times, using hot water pipes. Creator of the famous Fallingwater...