Air conditioner and Heater

Opposite meaning terms

Air conditioner noun - A system that keeps air cool and dry.

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Heater is an antonym for air conditioner.

Heater noun - Device that heats water or supplies warmth to a room.

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Air conditioner is an antonym for heater.

Nearby Words: heat, heated, heating

Adjustable temperatures, whether by a water faucet or an air conditioner/heater, usually come in two colors; red for warm/hot and blue for cool/cold.

Source: Colour-Coded for Your Convenience

Cite this Source

Heater and Air conditioner. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/air_conditioner/heater

Air conditioner & Heater. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/air_conditioner/heater>.

Heater or Air conditioner. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/air_conditioner/heater.

Google Ngram Viewer shows how "air conditioner" and "heater" have occurred on timeline