Meanings
- uncountableWater used, in any type of building, for domestic purposes, principally drinking, food preparation, sanitation, personal hygiene, and heating (but not including swimming pool heating, or processes such as commercial food preparation or clothes washing).
Heating, ventilation, domestic hot water and lighting use significant amounts of energy.
1996, Geraint John, Kit Campbell, Handbook of Sports and Recreational Building Design Volume 3: Ice Rinks and Swimming Pools2 more examples
Warm or tepid water systems that dilute domestic hot water from a water heater with cold water upstream from the outlet source are not recommended.
2003, Roger F Jones, Martha J Boss, Dennis W Day, Biological Risk Engineering HandbookA range of products from high quality industrial steam, to lower temperature water for domestic hot water requirements and space heating.
2005, Great Britain: Parliament: House of Lords: Science and Technology Committee, Energy Efficiency: 2nd Report of Session 2005-06Synonyms: DHW
Synonyms & antonyms
nounWater used, in any type of building, for domestic purposes, principally drinking, food preparation, sanitation, personal hygiene, and heating (but not including swimming pool heating, or processes such as commercial food preparation or clothes washing).
Translations
Finnish lämmin käyttövesi
- lämmin käyttövesihot water used for domestic purposes
Cite this entry
domestic hot water. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/domestic%20hot%20water
“domestic hot water.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/domestic%20hot%20water. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “domestic hot water,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/domestic%20hot%20water.
Source: domestic hot water on Wiktionary, CC BY-SA 4.0.