Aerothermal energy is one of the most effective air conditioning technologies. efficient y sustainable, but one of the aspects that most concerns those who install it is the noise that their units can generate. Although current models have greatly improved in terms of soundproofing, the outdoor unit continues to emit sound, which in some cases may be a cause of concern. hassle.
To prevent aerothermal noise from becoming a problem, it is essential to know what causes it, what sound levels are normal and how they can be reduced through sound reduction. good maintenance and a correct installationIn this article we address all these aspects in depth, as well as offering practical advice to minimize the acoustic impact and improve the isolation.
Causes of noise in aerothermal systems
Before looking for solutions, it's important to understand where the noise in an air source heat pump is coming from. Several factors influence the sound level emitted:
Outdoor unit: the main source of noise
The outdoor unit is the most important component. noisy of the system. It contains the compressor and fan, which generate vibrations and sound when operating. The compressor is responsible for compressing the refrigerant, which can cause a murmur o buzz constant. The fan, on the other hand, draws in outside air for the heat exchange process, and its movement also generates noise and can affect the environment, as mentioned on our page about environmental pollution.
Vibrations and installation surface
If the outdoor unit is installed incorrectly or is located on a rigid surface As undamped concrete, vibrations can be amplified. In these cases, the noise comes not only from the system itself, but also from the resonance that is transmitted through the building's structures. This is why the choice of installation location is crucial, which you can learn more about in our guide on installation of insulating materials.
Environmental factors
The environment also influences the perception of noise. wind may intensify the sound of the fan, and if there are leaves or debris on the outdoor unit, the unit may work harder and make more noise. The location of the unit and the regular maintenance will help control these factors. For more information on maintaining systems like these, see our article on heat pumps.
How much noise does a heat pump generate?
The noise level of an aerothermal heat pump is usually between 45 and 65 decibels (dB), comparable to a quiet conversation or the ambient noise in a quiet office. For reference:
- A refrigerator emits between 40 and 50 dB.
- A normal conversation is around 60 dB.
- Urban traffic can exceed 70 dB.
Although it is not a deafening sound, if the outdoor unit is near a window or seating area, it can be annoying and it may be important to consider the thermal isolation of the house.
Types of heat pumps and their noise level
There are different types of heat pumps, and each has a different acoustic behavior:
Air-to-air heat pump
This type of heat pump is one of the most common and its noise level is usually among the 45 and 55dB. Since its operation depends on outside air, the fan may make some noise, but overall it is a fairly good option. silent. For better efficiency, it is advisable to know how this technology works, which is detailed in comparisons of aerothermal equipment.
Air-water heat pump
These heat pumps usually emit between 50 and 65dB, since they require more effort to heat the water that is distributed throughout the house. Although they are more efficient In terms of air conditioning, they can be a little noisier and it is important to consider their noise mitigation.
Geothermal heat pump
Geothermal heat pumps are the most silent of the market, with noise levels between 30 and 40dB. Being buried underground, they do not require fans or outdoor units, making them an excellent option for those looking for a completely silent.
Tips to reduce the noise of aerothermal energy
Although noise is inevitable in an aerothermal system, there are several strategies that can help minimize its impact.
Choosing a quiet model
Before installing an air-source heat pump, it's a good idea to compare different models and choose one with noise-reducing technology. Some brands have developed models that designed to be especially quiet, which can be verified in the .
Strategic location of the outdoor unit
Place the outdoor unit in a location away from Bedrooms and seating areas is key. It is also recommended to avoid installation in interior patios or near open windows. If you live in a building, the rooftop may be a good option. Taking this into account, the arrangement of items in the home is important to ensure proper .
Use of acoustic screens
Installing acoustic barriers or soundproofing panels around the outdoor unit can significantly reduce the noise level. These structures absorbing and block out sound, which reduces the perception of noise in the environment. These types of solutions help improve the environment and should be considered for improved system performance.
regular maintenance
Proper maintenance helps prevent noise from increasing over time. Regularly cleaning the fans, checking the compressor, and ensuring there are no obstructions in the outdoor unit can keep the system running more efficiently. silent, aligning with the advice on maintenance of air conditioning systems.
Aerothermal heating is an excellent air conditioning option, but the noise from the outdoor unit can be a nuisance if proper precautions are not taken. Choosing a quiet model, strategically locating the unit, and performing regular maintenance are key to minimizing the acoustic impact. With proper planning, it's possible to enjoy the benefits of aerothermal heating without the noise disturbances in your daily life.
