If you are looking for a heat pump for your home, air source and ground source are the most common ones that you will on the market. And if you are wondering which one should you pick between Air source and Ground source heat pump, this article is for you. Here I will compare these 2 types of heat pumps that are available on the market –
Air Source Heat Pump vs. Ground Source Heat Pump
Air Source Heat Pump: Air Source Heat Pump: Installation process of the air source heat pump is the fastest and easiest of all and its structure looks like our daily AC. You can use an air source heat pump to produce hot water and hot air if you need so. Few of the air source heat pumps have a cooling mode. So the units are installed outdoor and remember that it will create noise because of the rotation of the fan and the compressors. An air-source heat pump requires air. So, it is important to put them outside. Otherwise, recirculation will happen.
Ground Source: Ground source heat pumps are a popular option to choose from. This kind of heat pump is generally used for producing hot water. The cooling option is also available in many this type of heat pumps. Thermal energy is used which is implanted inside the ground where the source of energy comes from the ray of the sun. For this, it requires unearthing. If your building is new, it will be best for you because it will help you to reduce the cost. The ground source heat pump has two types of pipes. In the horizontal type, pipes are set in the ground at not too deep around 3 to 5 feet. You will get 10 to 30 watts/meter of pipe, depends on the ground type. If you live in a place where you have a land shortage, it has the vertical type; uses a pipe that is set deep in vertical holes. The holes are deep between 50 to 492 feet and you will get 10 to 50 watt/meter. It depends on the ground type and water content.
Air-Source: This is not very efficient and it’s going to waste a lot of electricity. These air source heat pumps are the cheapest to install, where they’re the least efficient. Because air has a low density and heating capacity compared to soil or water.
Ground Source: Ground source heat pump is more efficient than air-source because the ground has a higher density and heat capacity compared to air.
3. Installation Cost
Air Source: Approximate cost to install an air source heat pump system is something in the range of $7,000-$11,000. This is going to vary depending on the occasion, complexity, and size.
Ground Source: Installation costs are $18,000-$32,000 and again this varies depending on the complexity and size.
If you want to see the summary, check this infographic here – Air Source Heat Pump vs. Ground Source Heat Pump [Infographic]
Water Source Heat Pumps
This type of heat pump is not commonly available on the market. Because to use this type of heat pump, you require access to the water source. Unfortunately, your little garden pond just isn’t going to be big enough. There are two options available for water source heat pump. These are open and closed-loop.
The second one uses water and antifreeze mixture to absorb the heat. On the other hand, the other type which is an open type uses water from the lake or river, store the energy from the water and then the water is released back into the river. The open type requires permission from authorities like the Environmental Protection Agency. If the heat pump has leakage and the refrigerant and the antifreeze mixture gets into the river, it is going to be deadly for the fish and animals living in that water source. You will definitely have to pay a penalty to the local authorities.
However, in terms of efficiency, its efficiency is greater than air and ground source heat pumps. It is very easy to install and cheaper than a ground source heat pump. A water source heat pump will generate 20-50 watts/square meter of water surface. Installation cost is around $10,000-$15,000.
Now that you know of the Heat Pump, would you like to get one for your home?
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