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Lately the term ‘geothermal’ has becoming more and more popular. Even though most people are familiar with the concept, not many really understand how it functions. The most basic explanation to what geothermal heating stands for is a system that can heat or cool a house or business environment, as well as provide hot water for it.
What many people are not familiar with is the fact that the earth has its own constant temperature which varies between 45°F and 75°F. This occurs both in summer and winter, which means that during the colder months, the temperature of the soil is higher than that of air, while during the sunny days, it’s vice versa.
Geothermal heating pumps use this phenomena for their advantage, as they literally pump the temperature out of the earth and incorporate it within the household, thereafter extracting it outside in the open air. The same concept applies for both cooling and heating, only in the reversed direction.
Geothermal systems can be used for new constructions, as well as existing homes, and commercial buildings. There is a wide distinction between the closed-loop and open-loop system, with the first one being a subject to a narrower division between three distinctive types.
While most conventional furnaces generate heat by burning fuel, geothermal heat pumps pull the heat from beneath earth and distribute it throughout the household with the help of electricity. These units seem as the practical solution, as not only are their maintenance costs lower, they usually have longer life expectancy. Pleased clients have stated that they have noted a reduction in their utility bills from 30 to 70 percent!
Ever since 2009, a 30% tax credit was enacted for those who decide to install a geothermal unit in their household. This is valid all up until 2016 and comes for a set of several inquiries. This move was made because geothermal systems were proven to be utterly efficient and environmentally friendly.
If you think that using geothermal energy is a brand new technology, you have been fooled. It is actually a several-decades-old technology that has been popular by the terms ground-water assisted, geo-exchange, ground-water source systems, etc.
Geothermal Systems Pros & Cons
The reason why geothermal energy is so popular as a heating energy source for any household, is because of its positive effect on the environment, leaving no questions such as “reducing carbon footprint” or “green energy resources” to be raised. It is also quite handy due to the increased costs of both oil and electricity, leaving geothermal heating as a convenient option.
Geothermal as a term originates from the Greek words “geo” meaning ‘earth’, and “thermal” meaning ‘heat’. Therefore, the meaning refers to the heat which is extracted from within the soil. This system either utilizes a pump that transfers heat or takes advantage of a geothermal hot spot in order to extract the natural heat and bring it within the household.
It is advisable to go for this heating option while constructing a new object, as it can be incorporated much easier this way, than it would be to install it an already existing construction.
- Eco friendly option. It has hardly any harmful effects on the environment and does not add up to the overall pollution.
- Long-lasting resource. It is very unlikely that the natural heat of earth will ever run out.
- Cost efficient. This option can reduce utility bills by up to 70%.
- Compact size. The system can fit into any house’s basement, regardless how small.
- Economical. Economic source of energy, especially for larger properties.
- Convenient. Exceptionally convenient for a new home. It is a life-long investment that sure pays off. Plus, no extra money has to be spent on installment in already constructed buildings, which is the costliest part of the project.
- Property value. Boosts the value of the entire property.
- Investment. Requires high initial investment. This means that installing this system may be difficult to afford.
- Proximity. Nearby geothermal hot spot is crucial.
- Drilling. Terrain must be suitable for drilling. For instance, some types of rock may cause a lot of troubles.
- Periodic breaks. If overused, the earth heat can run out for some period, meaning that the system needs a break once in a while.
- Moving home. Geothermal energy is not transferable, meaning that if you decide to move home, you will not be able to move the system or the resource with you.
- Open loop systems. Even though rare, the usage of geothermal gases can actually lead to hydrogen sulfide release, which is a harmful chemical that requires attention.
Apart from the several disadvantages, you need to keep in mind that geothermal heating is an utterly eco and cost friendly option that will reduce your energy bills significantly, which is a good enough option to consider!
Contact us for all your heating needs and let us amaze you with our high level of service and expertise!