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Air-Source Vs. Ground-Source: Choosing the Right Domestic Heat Pump

Heat pumps are energy-efficient devices that move heat from a lower-temperature area to a higher-temperature area, providing heating and cooling for residential rooms. Instead of directly creating heat, they use a small amount of energy to transport heat.  Ground-source (geothermal) and air-source heat pumps are the two most common types used in homes with different features but the same purpose.

Let’s take an in-depth look at both domestic heat pump types so you can easily choose the right one.

heat pump

Air Source Heat Pumps

An air-source heat pump is a modern domestic heat pump that makes our homes comfortable using little energy. Imagine a system that warms you in winter and cools you in summer, using just a bit of energy. That’s what air-source heat pumps do!

In winter, they take heat from outside air and bring it inside to make your house warm. In summer, they do the opposite, taking heat from the inside and sending it outside to cool down the internal area. The technology is like having an intelligent heater and cooler in one.

An air source heat pump water heater has two main parts: outdoor units and indoor units. The outdoor one has a special metal coil and a fan; the coil gets heat from the air with the fan helping it. This heat is carried using a special liquid called refrigerant. The indoor part also has a coil and a fan to spread the heat around.

The refrigerant is a special liquid that can change from gas to liquid and back to gas when cold. It moves the heat from one coil to the other, taking heat from outside and moving it inside. When it takes heat, it becomes a gas, goes inside, and releases heat.

heat pump

Ground-Source Heat Pumps

Ground-source heat pumps, often known as geothermal pumps, are modern HVAC systems that use the earth’s constant subsurface temperatures to offer heat and cool functions. These domestic heat pumps use a closed-loop system of underground pipelines or open-loop wells to transmit heat. During the winter, a fluid running through the pipes or wells takes heat from the ground and goes through a phase transition, releasing heat indoors. In the summer, the process reverses to cool indoors by transferring heat to the ground.

The heat exchange procedure is carried out using closed-loop pipelines or open-loop wells. A closed-loop pipeline system circulates a heat-transfer fluid through a series of underground pipes, while an open-loop well system extracts water from a well, uses its heat, and then discharges it back into the ground.

By using the earth’s thermal stability, ground-source heat pumps provide constant and energy-efficient heating and cooling. This technology reduces dependency on traditional energy sources, lowering expenses and environmental effects, making it a viable option for current HVAC needs.


Factors to Consider When Choosing Between Air-Source and Ground-Source Heat Pumps

To get the best results from your investment, you must keep a few things in mind.


When it comes to energy efficiency, both domestic heat pump models have their strengths. A domestic air-source pump might need more energy in cold weather, while ground-source pumps stay quite efficient all year. Ground-source pumps use the earth’s steadier temperature to their advantage, making them a solid, efficient choice.

The weather plays a big role in how well these pumps work. Air-source pumps might struggle a bit in super cold climates, but they work fine in mild to moderately cold areas. Ground-source pumps are more stable and can handle colder climates better. So, it matters where you live.

Installing a domestic heat pump isn’t like fixing a light bulb. Both need some space outdoors. Air-source pumps have an outdoor unit that needs room, while ground-source pumps need a bit of land for those pipes or wells. Ground-source installations are more complex, often needing drilling.

At the start, air-source pumps are usually cheaper to install. But wait! Ground-source pumps could save you more money over time. They are super-efficient and might bring down those energy bills. So, while air-source pumps might be cheaper upfront, ground-source pumps could be a better deal in the long run.

If you are a Planet Earth fan, you would like both options. They use less energy than regular heaters and coolers, which helps Mother Nature. Ground-source pumps score extra points because they use the earth’s heat, a never-ending resource. It is like recycling heat!


Shenling R290 Air Source Heat Pump

If you are looking for a reliable domestic heat pump, Shenling has just the right one. Shenling R290 Air Source Heat Pump offers various features and benefits, ranging from a wide operational range to intelligent control options. It is a technologically advanced and conscious choice for effective and efficient HVAC solutions.

This domestic heat pump also boasts innovative defrosting technology that saves electricity and a thorough anti-freeze protection system that ensures performance in high or low temperatures. This flexible system combines heating, cooling, and domestic hot water capabilities to properly meet the average household’s needs.

But that is not it; the R290 Air Source Heat Pump has a wide operating range: it is efficient for space heating even at -25°C and provides 70°C outlet water at -15°C. Cooling is operational from -5°C, and domestic hot water is generated at -25°C, with the electric booster heater reaching up to 80°C.

Incorporating a  full-colour LCD controller and Wi-Fi intelligent control, the R290 Air Source Heat Pump is the best for enhanced user experience.



Choosing the ideal domestic heat pump hinges on climate, efficiency, installation needs, and long-term savings. Air-source heat pumps suit milder temperatures and offer upfront affordability, while ground-source pumps excel in colder regions and have long-term efficiency. Shenling’s R290 Air Source Heat Pump emerges as a tech-savvy option, featuring a wide operational range, intelligent controls, defrosting technology, and eco-conscious design. You can explore our website about heat pumps so you can make a better choice.

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