The comparison between warm-air heating system and hot water heating system is made. The applicability and practicability of the warm-air heating system are analyzed.

对热风供暖系统与热水供暖系统进行了比较，分析了热风供暖系统的适应性和实用性。

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The warm air in the corridors is circulated in working Spaces through air vents and provides passive heating.

走廊里的暖空气，通过通风口在办公区域流通，进而提供被动供暖。

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Plateau oil-fired warm air heater is a kind of heating equipment which burns light diesel oil to provide warm air for tents and rooms in high altitude regions.

高原燃油暖风机是一种依靠燃烧轻柴油提供热量，供给高海拔地区帐篷、房屋热空气的取暖装置。

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By sucking 55-degree heat out of the ground and concentrating it, the heat pump is able to deliver 110-degree heat into the warm air ducts of a central heating system.

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In the winter, warm air near the ceiling is pushed downward, reducing heating bills.

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Typically, the colder it is outside the faster the warm air from inside escapes, which can leave your heating system on all through the day without any noticeable difference to the temperature.

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