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。
Ground source heat pumps are recognized as one of the most efficient heating and cooling systems on the market.
地源热泵是公认的最有效的加热和冷却系统的一个市场上。
The building also has mechanical and electrical systems, such as elevators, heating and cooling systems, and lighting systems.
在建筑物内部还有机械和电气系统，例如电梯、供暖和冷却系统、照明系统等。
They would also feature passive heating and cooling systems, as well as natural ventilation, helping to keep electrical demand low.
这些太阳能板以被动加热和冷却系统为特色，还有自然通风设施，以降低电力需求。
The heating and cooling systems, including the four geothermal wells, for example, cost about $100, 000 (an amount reduced somewhat by a federal tax credit and a state rebate).
保暖和冷气系统，包括四面发热墙，花费10000美金（已扣除联邦退税和当地州的退税）。
The company is initially concentrating on biofilms that Lu says can corrode water pipes and block heat transfer in heating and cooling systems, decreasing energy efficiency by up to 80 percent.
公司最初专注于攻克生物膜问题，卢说这些生物膜可以侵蚀水管，阻断空调系统的冷热交换，减少80%的能源效率。
Properly insulating your attic and sealing any leaks under doors or around windows, will greatly improve the effectiveness & efficiency of your both cooling AND heating systems.
将顶层阁楼与下面的房子进行隔热，将门窗漏风处都堵好，如果这些措施得当，将会大大地提高空调制冷与制热系统的工作效率。
They include advanced, membrane-filtered wastewater treatment systems, solar-powered, high-efficiency lighting and natural gas combined-cycle turbines that will deliver power, heating and cooling.
它们包括先进的薄膜过滤污水处理系统、高效的太阳能照明，以及用于供电、供热和制冷的天然气联合循环涡轮机。
A colorless, syrupy alcohol, HOCH2CH 2oh, used as an antifreeze in cooling and heating systems.
一种无色糖浆状液态二烃基醇，HOCH2CH2oh，用作冷却和加热系统中的防冻剂。
Our systems are sealed from water and moisture, while advanced cooling and heating is provided to devices through our custom enclosure designs.
我们的系统是密封的，防水防湿气，同时，先进的冷却和加热设备是根据客户要求定制的。
This energy is used to provide cooling or heating for industrial facilities, district energy systems, and commercial buildings.
这种热能用于为工业设备，地区能源系统和商业大楼提供制冷和采暖。
Analyses the economic effects of the building cooling heating and power (BCHP)and compares them with those of general air conditioning systems.
分析了楼宇级冷热电联产（BCHP）方案的经济性，并与目前常用的几种空调机房方案进行了比较。
Cage Changzhou Sheng intelligent home engineering Limited, to become the country's most professional supplier of refrigeration and heating and cooling HVAC systems engineering!
常州凯吉盛智能家居工程有限公司，致力于成为国内专业的制冷暖通产品供应商和冷暖系统工程商！
Surface water, such as river or lake, and urban sewage are cooling and heating resources of heat pump systems, which are considerable and spectacular in amount.
江河、湖泊等地表水和城市污水是两类数量巨大、极引人注目的水源热泵冷热源。
Surface water, such as river or lake, and urban sewage are cooling and heating resources of heat pump systems, which are considerable and spectacular in amount.
江河、湖泊等地表水和城市污水是两类数量巨大、极引人注目的水源热泵冷热源。
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