Roman Hypocaust Heating

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1. AThe hypocaust circulated hot water through pipes beneath raised floors, making it cheap enough that it became the standard way of heating ordinary Roman homes across the empire. Because it was so efficient and safe, the technology survived the fall of Rome and was used continuously in Europe until the nineteenth century.
2. BRoman engineers heated bathhouses by directing smoke from a furnace directly into the room through openings in the floor, which is why hypocausts were restricted to Britain, where the cold justified the discomfort. Villas elsewhere in the empire used braziers, and the system fell out of use when cleaner fuels became available.
3. CThe lecturer's central argument is that the hypocaust illustrates Roman dependence on slave labour, and that the system was abandoned mainly because it was considered morally unacceptable. The technical details of the raised floor and wall tiles are mentioned only briefly, with the focus on the people who tended the furnaces.
4. DRoman hypocausts heated rooms by raising floors on pillars so that hot gases from an external furnace could circulate beneath and then rise through wall tiles. Used chiefly in bathhouses and wealthy villas, they were costly in fuel and labour and carried a risk of fumes, and the technique was largely lost after the Western Empire fell.

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Source: Pearson, PTE Academic & UKVI test format, Part 3: Listening, checked 9 October 2026.