Install, troubleshoot and overhaul entire heating, ventilation, air handling, refrigeration and air conditioning systems.

安装工，故障排除和检修整个采暖，通风，空气处理，制冷和空调系统。

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With the increasing demands on indoor environment quality and energy consumption in modern buildings, heating, ventilation, air-conditioning systems become more and more complex.

随着人们对现代建筑室内环境质量和能源消耗要求的不断提高，供热、通风和空气调节系统变得越来越复杂。

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Mr Rios has already found tens of thousands of corporate heating, air-conditioning and ventilation systems online, many with vulnerabilities in their software that a hacker could exploit.

里奥斯先生已经发现在数以万计联机的企业供暖，空调和通风系统中，很多控制软件都存在黑客可以利用的漏洞。

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The ship generates and distributes its own power, provides and maintains sanitation, heating, ventilation and air conditioning systems, and makes several hundred thousand gallons of water every day from sea water.

FORBES: What Is It Like To Be The Commanding Officer Of An Aircraft Carrier?

Comfort Systems offers installation, maintenance, repair and replacement services for heating, ventilation, and air conditioning (HVAC) systems in the mechanical services industry.

FORBES: Comfort Systems Gains Momentum

His study focused on the cost-effectiveness and productivity of "comfort control" systems regulating heating, ventilation and air conditioning.

CNN: STORY HIGHLIGHTS