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Types of Cooling Systems

Types of Cooling Systems

Central Air Conditioners

Central air conditioners circulate cool air through a system of supply and return ducts. Supply ducts and registers (i.e., openings in the walls, 地板, 或者用烤架覆盖的天花板)将冷气从空调输送到家里. This cooled air becomes warmer as it circulates through the home; then it flows back to the central air conditioner through return ducts and registers.

空调有助于将进入的空气除湿, 但在极端潮湿的气候或空调体积过大的情况下, it may not achieve a low humidity. 在有空调的家里使用除湿器会增加你的能源消耗, both for the dehumidifier itself and because the air conditioner will require more energy to cool your house. 一个较好的替代方案是除湿热管, 哪些可以作为对现有系统的改造而增加.

TYPES OF CENTRAL AIR CONDITIONERS

中央空调是一个分裂系统单元或包装单元.

在分体式中央空调中, 室外金属柜包括冷凝器和压缩机, 蒸发器在室内机柜中. 在许多分体式空调中, 该室内柜还包含一个炉子或热泵的室内部分. The air conditioner's evaporator coil is installed in the cabinet or main supply duct of this furnace or heat pump. 如果你家里已经有了电炉但没有空调, 分体式系统是最经济的中央空调安装.

在一个打包的中央空调里, the evaporator, 冷凝器, 压缩机安装在一个机柜中, which usually is placed on a roof or on a concrete slab next to the house's foundation. 这种类型的空调也用于小型商业建筑. 送风和回风管道从室内通过住宅外墙或屋顶与包装空调连接, which is usually located outdoors. Packaged air conditioners often include electric heating coils or a natural gas furnace. This combination of air conditioner and central heater eliminates the need for a separate furnace indoors.

选择或升级您的中央空调

中央空调比室内空调效率更高. 此外,它们远离道路,安静,方便操作. To save energy and money, you should try to buy an energy-efficient air conditioner and reduce your central air conditioner's energy use. In an average air-conditioned home, 空调消耗超过2,每年可发电000千瓦时, 导致发电厂排放约3,500磅二氧化碳和31磅二氧化硫.

如果你考虑在家里增加中央空调, 决定因素可能是管道系统的需要.

如果你有一台旧的中央空调, 你可以选择把室外压缩机换成现代化的, high-efficiency unit. If you do so, 请咨询当地的冷暖承包商,确保新压缩机与室内机匹配良好. 然而, 考虑到最近制冷剂和空调设计的变化, 更明智的做法是更换整个系统.

今天最好的空调比上世纪70年代中期生产的空调少消耗30%到50%的能源. 即使你的空调只有10年的历史, 你可以节省20%到40%的冷却能源成本,更换一个新的, more efficient model.

Proper sizing and installation are key elements in determining air conditioner efficiency. 太大的设备不能充分去除湿度. Too small a unit will not be able to attain a comfortable temperature on the hottest days. Improper unit location, lack of insulation, 而不当的管道安装会大大降低效率.

买空调的时候,要找效率高的型号. Central air conditioners are rated according to their seasonal energy efficiency ratio (SEER). SEER indicates the relative amount of energy needed to provide a specific cooling output. 许多老系统的SEER评分为6或更低. 今天允许的最小SEER是13. Look for the ENERGY STAR® label for central air conditioners with SEER ratings of 13 or greater, but consider using air conditioning equipment with higher SEER ratings for greater savings.

New residential central air conditioner standards went into effect on January 23, 2006. Air conditioners manufactured after January 26, 2006, must achieve a SEER of 13 or higher. SEER 13比之前最小SEER 10的效率高30%. 本标准仅适用于2006年1月23日以后生产的电器. Equipment with a rating less than SEER 13 manufactured before this date may still be sold and installed.

The average homeowner will remain unaffected by this standard change for some time to come. The standards do not require you to change your existing central air conditioning units, 此外,你家里的系统还应该有可更换的部件和服务. 中央空调的“寿命”约为15至20年. 在新标准生效后,制造商通常会继续通过提供替换部件和履行欧博真人游戏合同来支持现有设备.

购买空调时要注意的其他功能包括:

  • 热膨胀阀,高温额定值大于11.6、在天气最热的时候,便于高效作业
  • 一种用于新通风系统的变速空气处理器
  • A unit that operates quietly
  • A fan-only switch, so you can use the unit for nighttime ventilation to substantially reduce air-conditioning costs
  • A filter check light to remind you to check the filter after a predetermined number of operating hours
  • An automatic-delay fan switch to turn off the fan a few minutes after the compressor turns off.

空调安装位置

空调安装正确, 或者发现并解决了重大安装问题, 只需进行少量的例行欧博真人游戏,它就能有效地运行数年. 然而,许多空调没有正确安装. As an unfortunate result, modern energy-efficient air conditioners can perform almost as poorly as older inefficient models.

在安装新的中央空调系统时,请确保你的承包商:

  • 为安装提供足够的室内空间, maintenance, and repair of the new system, and installs an access door in the furnace or duct to provide a way to clean the evaporator coil
  • 使用s a duct-sizing methodology such as the Air Conditioning Contractors of America (ACCA)手动D
  • 确保有足够的供应寄存器,以输送冷空气和足够的回风寄存器,以携带温暖的房子空气回到空调
  • 尽可能将管道安装在有条件的空间内,而不是阁楼上
  • 用管道胶粘剂密封所有管道,并对阁楼管道进行严重绝缘
  • Locates the condensing unit where its noise will not keep you or your neighbors awake at night, if possible
  • 将冷凝单元放置在附近没有物体会阻止气流进入的地方
  • 确认新安装的空调与厂商规定的制冷剂充注量和风量相符
  • 将恒温器放置在远离热源的地方,如窗户或供应寄存器.

如果要替换旧的或失败的分割系统, 确保更换的蒸发器盘管与新的冷凝机组的冷凝器盘管完全匹配. (The air conditioner's efficiency will likely not improve if the existing evaporator coil is left in place; in fact, 旧的线圈可能会导致新压缩机过早故障.)

无导管迷你分离式空调

无管, mini split-system air-conditioners (mini splits) have numerous potential applications in residential, 商业, and institutional buildings. 最常见的应用是在多户住宅或作为“非管道”供暖系统的房屋加装改造, such as hydronic (hot water heat), radiant panels, and space heaters (wood, 煤油, 丙烷). 他们也可以是一个很好的选择增加房间和小公寓, 扩建或安装配电管道系统(用于中央空调或供暖系统)不可行.

Like central systems, 小型分离器有两个主要部件:一个室外压缩机/冷凝器, and an indoor air-handling unit. 一个渠道, which houses the power cable, refrigerant tubing, suction tubing, and a condensate drain, 连接室外机和室内机.

ADVANTAGES

迷你隔断的主要优点是体积小,并且可以灵活分区或加热和冷却单个房间. 许多型号可以有多达四个室内空气处理单元(四个区域或房间)连接到一个室外机. 这个数字取决于建筑或每个区域需要多少加热或冷却(这反过来又受建筑隔热效果的影响). 每个区域都有自己的恒温器, 所以你只需要在空间被占用的时候调整它, saving energy and money.

无管 mini-split systems are also often easier to install than other types of space conditioning systems. For example, 室外机和室内机之间的连接通常只需要在墙上开一个3英寸(~8厘米[cm])的孔. 也, most manufacturers of this type of system can provide a variety of lengths of connecting conduits. So, if necessary, you can locate the outdoor unit as far away as 50 feet (~15 meters [m]) from the indoor evaporator. 这使得将压缩机放置在建筑外部更有利或不显眼的位置,从而使建筑前部的房间降温成为可能.

Since mini splits have no ducts, 它们避免了与中央强制空气系统的管道系统相关的能量损失. 管道损失可以占空间空调能源消耗的30%以上, 特别是如果管道是在一个无条件的空间,如阁楼.

Compared with other add-on systems, mini splits offer more flexibility in interior design options. 室内空气处理器可以悬挂在天花板上, mounted flush into a drop ceiling, or hung on a wall. 落地式模型也可用. Most indoor units have profiles of about seven inches (~18 cm) deep and usually come with sleek, high-tech-looking jackets. 许多公司还提供了遥控器,当系统被放置在高墙上或悬挂在天花板上时,可以更容易地打开或关闭系统. Split-systems can also help to keep your home safer, because there is only a small hole in the wall. Through-the-wall and window mounted room air-conditioners can provide an easy entrance for intruders.

DISADVANTAGES

迷你分割的主要缺点是成本. Such systems cost about $1,500 to $2,000 per ton (12,000 Btu per hour) of cooling capacity. 这比中央系统(不包括管道系统)多出30%,成本可能是同等容量窗式机组的两倍.

The installer must also correctly size each indoor unit and judge the best location for its installation. 过大或位置不正确的空气处理装置往往导致短周期循环, 哪些浪费能源,没有提供适当的温度或湿度控制. 过大的系统购买和操作成本也更高.

有些人可能不喜欢系统室内部分的外观. 而不那么突兀的房间窗户空调, 它们很少有中央系统的内置外观. 室外机附近也必须有排水的地方.

合格的安装人员和服务人员可能不容易找到小型劈叉. In addition, 大多数传统的加热和冷却承包商在钣金管道系统的工具和培训上都有大量的投资. 他们需要使用这些工具(并收取费用)来获得投资回报, so they may not recommend ductless systems except where a ducted system would be difficult for them to install.

Room Air Conditioners

房间或窗户空调凉爽的房间而不是整个家庭或企业. 如果它们只在需要的地方提供冷却, 房间空调比中央空调便宜, 尽管它们的效率普遍低于中央空调.

Smaller room air conditioners (i.e., those drawing less than 7.5安培电)可以插入任何15或20安培, 115伏家用电路,不与任何其他主要电器共用. Larger room air conditioners (i.e., those drawing more than 7.5安培)需要自己专用的115伏电路. 最大的型号需要一个230伏的专用电路.

房间空调的能源效率

室内空调的效率是通过能效比(EER)来衡量的。. EER是制冷能力(单位为每小时英国热量单位[Btu])与输入功率(单位为瓦特)的比值. EER额定值越高,空调效率越高. National appliance standards require room air conditioners to have an energy efficiency ratio (EER) ranging from 8.0–9.8 or greater, depending on the type and capacity, 和能源之星®合格的房间空调具有更高的EER评级.

家用电器制造商协会报告说,从1972年到1991年,房间空调的平均EER上升了47%. 如果你有一台能效比为5的上世纪70年代的老式房间空调,而你用一台能效比为10的新空调来替换它, 你将减少一半的空调能源成本.

当购买一个新的房间空调,寻找单位与EER为10.0以上. 检查单元的EnergyGuide标签, 同时也要寻找有“能源之星”标签的房间空调.

房间空调的选型

房间空调所需的制冷量取决于被冷却的房间的大小——房间空调的制冷量通常从5,500 Btu per hour to 14,000 Btu per hour. A common rating term for air conditioning size is the "ton," which is 12,000 Btu per hour.

合理的尺寸对于高效空调是非常重要的. A bigger unit is not necessarily better because a unit that is too large will not cool an area uniformly. 超大的单元也会将房间冷却到它的恒温器设置点,并在适当的除湿房间之前关闭, 让人感觉潮湿或“湿冷”.“长时间运行的小型设备比循环频繁的大型设备运行效率更高,除湿效果更好.

Based on size alone, an air conditioner generally needs 20 Btu for each square foot of living space. 选择空调时要考虑的其他重要因素是房间的高度, local climate, 阴影, and window size.

确认您的家庭电气系统能满足单元的电力需求. 房间单元在115伏或230伏的电路上运行. 标准的家用插座是连接一个115伏的分支电路. 额定电压为115伏的大房间可能需要专用电路,而额定电压为230伏的房间可能需要专用电路.

如果你把空调安装在房间的角落, look for a unit that can direct its airflow in the desired direction for your room layout. 如果你需要把空调安装在一个长房间的窄端, 然后寻找被称为“动力推力”或“超级推力”的风扇控制装置,它能将冷却的空气送入房间.

其他需要查找的功能包括:

  • 一种容易滑出以便定期清洁的过滤器
  • Logically arranged controls
  • 温控器设置的数字读数
  • A built-in timer.

安装和操作您的房间空调

A little planning before installing your air conditioner will save you energy and money. The unit should be level when installed so that the inside drainage system and other mechanisms operate efficiently.

不要把灯或电视放在空调的恒温器附近. 恒温器能感应这些电器发出的热量, 哪些因素会导致空调运行时间超过必要的时间.

Set your air conditioner's thermostat as high as is comfortably possible in the summer. 室内外温差越小, 你的整体降温费用就会越低. Don't set your thermostat at a colder setting than normal when you turn on your air conditioner; it will not cool your home any faster and could result in excessive cooling and unnecessary expense.

将风扇转速调高,除非天气非常潮湿. 当湿度高时,将风扇转速调低以获得更舒适的效果. 在潮湿的日子里,低速将更有效地冷却你的家,并从空气中去除更多的水分,因为通过冷却设备的空气流动更慢.

考虑在窗户空调的同时使用室内风扇,在不增加电力消耗的情况下,将冷却的空气传播到家里.

记住,任何空调系统的有效运行依赖于一个适当的绝缘和空气密封的家.


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布莱恩供暖和空调公司
    700 Ramsey Dr.
Valley Center, KS 67147
   (316) 755-2447
   地方政府投资公司# 1696年代
 
Hours of Operation
 
    周一 | 7:30am - 5:00pm
  周二 | 7:30am - 5:00pm
  周三 | 7:30am - 5:00pm
  周四 | 7:30am - 5:00pm
  星期五 | 7:30am - 5:00pm
  周六 | 关闭
  周日 | 关闭
    周一 - 星期五 | 7:30am - 5:00pm
 
Payment Options
 
 
对于威奇托KS的AC服务,我们接受大多数主要的信用卡.
 
 
We accept check for 无管 Air Conditioner repair service provided in Valley Center KS.
我们接受现金支付在安多弗KS提供的管道系统制造修理服务.
 
对于在安多弗KS的无导管空调服务,我们接受大多数主要的信用卡.
我们接受检查管道系统制造维修服务提供在威奇托KS.
我们接受现金支付在Valley Center KS提供的空调维修服务.
我们接受所有主要的信用卡、现金、个人或商业支票. We also offer financing options.
我们还提供资金从同步银行为您的AC维修在威奇托KS.
  Financing Options
 
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