With hot air heating system and high efficiency.

采用无焰热风系统，单机生产效率高。

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In forced-air heating and cooling systems, ducts carry hot or cold air to different parts of home.

在强制热风和冷风系统中，通风管道将热空气的冷空气输送到家里不同的地方。

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Proven hot gas generating, air heating, supply air cleaning and exhaust air dedusting systems are available for gas, air and heat supply.

我公司生产的热气发生装置、空气加热装置、供气净化装置和废气除尘系统等均被实践证明为可靠的供气、供热设备。

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More than three billion people are at risk from indoor air pollution because of the heating or cooking fuels they use.

VOA: special.2010.02.01

These will include more modern air cooling and heating systems.

VOA: special.2009.05.22

Highlights of the new software include System Match technology with features such as True Radiant and Heat Pump Balance geared to help high-efficiency, non-conventional (i.e. not forced air) heating systems perform even more efficiently.

FORBES: World's Smartest Thermostat Is Now Even Smarter

Current HVAC systems get rid of stale, germ-ridden indoor air by cooling or heating fresh outdoor air and blowing it through ventilation ducts, a process that gobbles electricity.

FORBES: Companies & Strategies

Putting in new air conditioning or heating units that are much more efficient.

WHITEHOUSE: VP Biden Announces "Retrofit Ramp-Up" Awards