26 | Air Conditioning

Today you will learn 5 new English words related to "Air Conditioning"

Author

SEWT Team
October 21, 2025

“Air conditioning” is something people talk about a lot in hot weather or when describing indoor comfort. As an ESL learner, knowing how to describe air temperature, control settings, and maintenance issues will help you in conversations at home, at work, or when staying in hotels or rentals. Today’s vocabulary will help you explain your needs clearly and understand common phrases related to indoor climate. Let’s jump right in!

5 TERMS

  1. Air conditioner (Noun): A machine that cools the air in a room or building.

  2. Thermostat (Noun): A device used to control the temperature of a room.

  3. Fan (Noun): A device that moves air around a room but doesn’t cool it.

  4. Filter (Noun): A part of the air conditioner that removes dust or particles from the air.

  5. Cooling (Noun / Adjective): The process or effect of making the air colder.

EXAMPLE SENTENCES

  1. Air conditioner

    • We turned on the air conditioner because it was 90 degrees.

    • The hotel room has its own air conditioner.

    • Our air conditioner stopped working last night.

  2. Thermostat

    • I adjusted the thermostat to make the room cooler.

    • The thermostat is set to 72°F.

    • The building uses a smart thermostat that saves energy.

  3. Fan

    • I turned on the fan because the AC wasn’t enough.

    • The ceiling fan helps keep the room cool.

    • A small desk fan is perfect for my office.

  4. Filter

    • You should clean the AC filter every month.

    • A dirty filter can make the air conditioner less effective.

    • I bought a new filter to help with allergies.

  5. Cooling

    • The cooling stopped working after the storm.

    • I like the cooling setting on this portable AC unit.

    • Proper cooling helps you sleep better in the summer.

EXAMPLE PARAGRAPH

This summer has been especially hot, so our air conditioner has been running every day. I keep the thermostat set to 74°F, which keeps the house comfortable without using too much electricity. When I need extra cooling, I also use a fan in the bedroom. Last week, the air started feeling stuffy, so I checked the filter and realized it was full of dust. After cleaning it, the air felt much fresher, and the cooling improved right away. Now I try to check the filter once a month to keep everything running smoothly.