- 保温杯 bǎowēnbēi thermosthermal insulation cup or bottle designed to keep liquids at their original temperature for a long period
- 保温瓶 bǎowēnpíng thermosvacuum flask or bottle used to keep liquids at a constant temperature; also called a [[热水瓶|熱水瓶|re4 shui3 ping2]] or [[暖水瓶|暖水瓶|nuan3 shui3 ping2]]
- 保温箱 bǎowēnxiāng incubatorA specialized thermal device for the care of premature or underdeveloped infants, providing controlled oxygen, temperature, and humidity
- 保温车 bǎowēnchē insulated truckA specialized vehicle for transporting perishable goods like fruit, vegetables, meat, or fish by maintaining a constant temperature; also used for refrigerated or heated transport.