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A Guide to Geothermal HVAC
\n\n\nA geothermal HVAC is a very versatile device, since it can provide a building with heating, cooling and even hot water with, at least, the same quality conditions than conventional systems commonly used for these purposes. That is, it can function as a furnace, an air conditioner and a water heater (it only replaces completely a water heater in summer) all together.
\n\n\n\nThe practicality of replacing two different equipments (a conventional water heater would still be necessary) by just one could be enough reason for a homeowner to consider it a smart move. But there’s more. A geothermal HVAC can also save considerable amounts of both energy and money thanks to its high efficiency (300% to 500% when heating) and due to the fact that its primary source of energy is completely free. We are referring to (low grade) geothermal energy, that, in addition to the saving benefit, is a renewable and clean source of energy.
\n\n\n\n\n\n\n\nLastly, we should notice that the use of geothermal technologies allows HVAC systems to improve comfort by almost eliminating noise and improving temperature and humidity control, and to give the homeowner a 50% to 75% of independence from external energy sources (electricity represents the remaining 25% to 50%). If you want to request offers, just fill in the form on the right. It’s free and without obligations.
\n\n\n![\"Underfloor](\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2022/10/Underfloor_heating_pipes.png\")
About HVAC
\n\n\n\nHVAC is a climate control technology that supplies thermal comfort (by basically controlling temperature and humidity -mostly involving heating and cooling-) and indoor air quality (by frequently replacing indoor air -involving ventilating-, among other measures). It is the acronym for heating, ventilating and air conditioning. It is important to emphasise that these three operations are closely interrelated and that it is not possible to provide the indoor thermal properties required on a specific building by using only one of them.
\n\n\n\nThe core components of a HVAC system are the geothermal unit and the distribution system. The geothermal unit is responsible for transferring heat from one space to another. The distribution system spreads the energy provided by the geothermal unit throughout the building.
\n\n\n\nThe geothermal unit functionality can be performed by a wide range of technologies, from the combustion of fuels (oil, natural gas, coal or propane) or the use of an electrical resistance to the typical cyclic process of a heat pump. A heat pump system is the one employed at geothermal HVAC. It transfers heat between the inside of the building and a source of energy (that could be taken from external air, the ground…).
\n\n\n\nIn our particular case, the source of energy is solar energy stored in the Earth’s crust (called low grade geothermal energy). The elements that compose a heat pump are the compressor (where electric energy is used to heat the working fluid), the condenser (here the working fluid transfers heat), the expansion valve and the evaporator (the working fluid draws heat). One of the main particularities of heat pumps is that the cycle can be reversed (by means of a reversing valve), allowing for heating and cooling.
\n\n\n\nThe distribution system also accepts different kinds of configurations. The most commonly used for geothermal HVAC is the forced-air/ductwork typically employed for air conditioning. Other successful options for heat distribution are radiators, radiant floors, fan coils and baseboard heaters.
\n\n\n\nFor the purpose of obtaining hot water from the HVAC system, a “desuperheater” can be added to the heat pump. It is a device that heats household water that circulates through the regular piping system. In cooling periods (summer), the heat removed from the building heats water thanks to the “desuperheater”, matching the whole demand of it, and, thus, making it completely free.
\n\n\n\nIn heating periods (winter), the excess of heat collected is used the same way, allowing for a reduction in water heating spending of 50% during those periods, being the remaining hot water demand covered by the regular water heater. During spring and autumn, when the heat pump may not be working at all, the regular water heater is utilized.
\n\n\n![\"Pond](\"https://cdn.greenmatch.co.uk/cdn-cgi/image/format=auto/2/2022/10/Pond_Loop_Close_Up.png\")
HVAC Powered by Geothermal Energy
\n\n\n\nWhat distinguishes a geothermal HVAC from any other type of HVAC system is its power source: the earth. Within geothermal energy it is possible to consider two different kinds on the basis of their ultimate power source. They are high grade and low grade geothermal energy.
\n\n\n\nHigh grade geothermal energy is heat produced by the earth’s pressure, that transforms underground water into vapour. Low grade geothermal energy is solar energy stored in the Earth crust’s. Low grade geothermal energy is the one harnessed by a geothermal HVAC. For this reason, the term “geothermal” is used in this page referring exclusively to low grade geothermal energy.
\n\n\n\nThe part of the geothermal HVAC that collects energy from (or releases it in) the ground is called ground loop. Diverse configurations can be applied, but all of them follow the same principle: the exchange of heat between a fluid (water with refrigerant and/or some chemicals) and the ground (or a pond, lake or water well). Those configurations can be classified into open and closed loops.
\n\n\n\nOpen loops take water from an aquifer and discharge it after the heat has been transferred to the building. They are not permitted everywhere (in some regions or even countries regulations don’t allow this kind of technology to be used) and they are less common than closed loop systems.
\n\n\n\nClosed loops consist of a continuous net of pipes buried underground where a mix of water and a refrigerant circulates.
\n\n\n\nIf you are interested in geothermal HVAC systems, we provide you with a tool where you’ll be able to request offers from different supplyers and to compare them accordingly to your own preferencies. You just have to fill in the form on the top right on the page. It’s free and without obligations and it will only take few minutes.
\n\n\nWhat Happens Next?
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- Our customer service team reviews your request. \n
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- Based on your information, we will match you with relevant suppliers who will contact you directly with their respective quotes. \n
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- 指导地热空调
指导地热空调
地热空调是一个非常通用的设备,因为它可以提供一个建筑加热,冷却甚至热水至少,相同的质量比传统系统条件通常用于这些目的。它可以作为炉,空调和热水器(它只取代完全热水器在夏天)。
更换两个不同设备的实用性(传统热水器仍然是必要的),只有一个房主可以足够的理由认为这是一个明智之举。但还有更多。地热空调还可以节省大量的精力和金钱由于它效率高加热时(300%对500%),由于其主要的能量来源是完全免费的。我们是指(低级)地热能源,,除了储蓄的好处,是一种可再生能源和清洁能源。
最后,我们应该注意到,利用地热技术允许HVAC系统提高舒适几乎消除噪音和提高温度和湿度控制,和给房主50%到75%的独立于外部能源(电力代表剩下的25%到50%)。如果你想请求提供,只是填写表格在右边。它是免费的,没有义务。
关于暖通空调
空调是一个供应热舒适的气候控制技术(基本上控制温度和湿度主要包括加热和冷却)和室内空气质量(通过频繁更换室内空气涉及通风,以及其他措施)。这是缩写供热、通风和空调。重要的是要强调,这三个操作是密切相关的,它不可能提供室内热性能要求在一个特定的建筑只使用其中的一个。
的核心组件暖通空调系统是地热单位和分配系统。地热单位负责将热量从一个空间到另一个。分布系统提供的能量传播地热单元在整个大楼。
地热单元功能可以由一个广泛的技术,燃烧的燃料(石油、天然气、煤炭或丙烷)或使用一个电阻的典型热泵的循环过程。在地热热泵系统是使用空调。它传输热量之间的内部建设和能源的来源(可以从外部空气、地面…)。
在特定情况下,能源是太阳能储存在地壳(称为低品位地热能)。元素组成一个热泵压缩机(电能用来加热工作流体)、冷凝器(这里的工作流体传输热量)、膨胀阀和蒸发器(工作流体吸引热)。热泵的主要特性之一是循环能够逆转(通过换向阀),允许进行加热和冷却。my188金宝博
分布系统也接受不同类型的配置。最常用于地热空调压力/管道系统通常用于空调。其他成功的选择对于散热器的热量分布,辐射地板、风扇线圈和护壁板加热器。
为了获取热水从暖通空调系统,“减温器”可以添加到热泵。这个设备加热家庭用水循环通过常规的管道系统。冷却时期(夏天),从建筑热加热水由于减温器,匹配整个需求的,因此,使其完全免费。
供暖时期(冬季),多余的热量收集使用同样的方式,允许减少热水支出50%的那段时期,被剩下的热水需求由普通热水器。在春天和秋天,当热泵可能不工作,常规的热水器是利用。
暖通空调的地热能
地热空调区别于任何其他类型的空调系统是其权力来源:地球。在地热能源可以考虑两种不同的基础上他们的最终的电源。他们是优质和低品位地热能源。
优质地热能源是地球的压力,产生的热量,将地下水转换成蒸汽。低品位地热能源太阳能储存在地壳。低品位地热能是一个利用地热空调。由于这个原因,这个页面中使用的术语“地热”是指只低等级地热能源。
收集能量的地热空调的一部分(或释放)地面接地回路。不同的配置可以应用,但都遵循相同的原则:热流体之间的交换与制冷剂和/或一些化学物质(水)和地面(或池塘、湖泊或水)。这些配置可以分为开放和封闭循环。
打开循环后把水从地下蓄水层和放电热量被转移到建筑。不是所有地方都允许(在一些地区甚至国家规定不允许使用这种技术),他们是不太常见的比闭环系统。
闭合回路由一个连续净管道埋在地下的水和制冷剂循环。
如果你有兴趣在地热空调系统中,我们为你提供一个工具,你可以请求提供了从不同supplyers并相应地比较自己的preferencies。你只需要填写表格在页面的右上角。它是免费的,没有义务,它将只需要几分钟。
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