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If you are responsible for a building or are part of a homeowners’ association, choosing energy-efficient elevators can help you reduce energy consumption and operating costs. In a context of rising electricity prices, more and more buildings are opting for solutions that improve efficiency without compromising comfort or safety.
Although many people associate energy consumption solely with the movement of the elevator car, an elevator also consumes energy when it is stationary. Lighting, electronic systems, and standby mode maintain constant energy consumption that can have a significant impact on electricity bills over the course of a year.
Therefore, before choosing energy-efficient elevators, it is important to analyze factors such as the type of building, frequency of use, and characteristics of the installation.
Factors to consider when choosing energy-efficient elevators
Not all buildings have the same usage patterns. While an elevator in a residential building may be used only a few times per hour, in an office building it may operate almost continuously throughout the working day. This difference directly affects which type of elevator is most suitable.
For this reason, before installing energy-efficient elevators, it is advisable to consider factors such as:
- Number of floors.
- Number of users.
- Peak usage times.
- Average weight of the loads transported.
- Age of the existing installation.
For example, a residential building where the elevator remains unused for long periods can particularly benefit from systems that reduce standby energy consumption. In contrast, an office building with constant use can achieve greater savings through technologies that optimize performance during continuous operation.
This preliminary analysis helps to correctly size the installation and avoid oversized solutions that end up consuming more energy than necessary.
Energy consumption does not depend solely on movement
There is a common misconception that an elevator only consumes electricity when transporting passengers up or down. However, a significant proportion of its energy consumption occurs in the elevator car.
Lighting, electronic systems, the control panel, and other components continue to operate 24 hours a day. In buildings where the elevator is used moderately, this continuous consumption can account for a significant portion of the annual electricity bill.
For this reason, energy-efficient elevators are designed to optimize energy use even when they are not transporting passengers. Features such as LED lighting with automatic shut-off, intelligent standby modes, and efficient management of electronic equipment help reduce consumption without affecting availability or user comfort.
Technologies that improve energy efficiency
Technological advances have made it possible to develop energy-efficient elevators that deliver significantly better performance than models installed two or three decades ago.
These are some of the most common solutions.
- High-efficiency gearless motors
Gearless motors eliminate mechanical components found in traditional systems, such as gearboxes. By reducing friction, they lower electricity consumption as well as maintenance requirements.
- Variable frequency drives
Electronic variable frequency drives regulate motor speed according to the requirements of each journey.
Thanks to this more precise control, the elevator avoids sudden acceleration and makes better use of the available energy, reducing consumption.
In buildings with a high number of daily journeys, this technology can result in considerable energy savings over the course of the year.
- Smart LED lighting
LED lighting consumes up to 80% less electricity than traditional light bulbs and has a much longer service life, according to data from the International Energy Agency.
- Energy regeneration systems
Some elevators harness the energy generated during certain movements, such as when a loaded elevator car descends or a lightly loaded car ascends.
This energy can be fed back into the building’s electrical grid to power other equipment, reducing the overall consumption of the installation.
- Intelligent control systems
Modern electronics make it possible to adapt elevator operation to the building’s usage patterns.
Management systems can optimize journeys, reduce waiting times, and minimize unnecessary trips, resulting directly in lower energy consumption.
In buildings with several elevators, these systems coordinate the operation of all the elevator cars to avoid duplicate journeys and improve overall efficiency.
Install a new elevator or modernize the existing one?
Improving energy efficiency does not always mean replacing the entire installation. In many cases, modernizing certain components can reduce electricity consumption and improve elevator performance with a lower investment.
Measures such as upgrading the motor, replacing the control panel, incorporating LED lighting, or installing variable frequency drives can improve efficiency when the elevator structure is in good condition and meets the necessary technical requirements.
However, there are situations in which complete replacement is the most advisable option. This is the case with elevators that have been in operation for several decades, suffer from frequent breakdowns, have high energy consumption, or present technical limitations that prevent the incorporation of more efficient solutions.
Therefore, before making a decision, it is advisable to carry out a technical assessment to analyze the condition of the installation, its current consumption, and the potential savings offered by each alternative.
The initial price is not the only factor
When choosing energy-efficient elevators, the installation cost is only one part of the investment. It is also important to consider how much energy the equipment will consume over its service life, its maintenance requirements, and the savings it can generate over the years.
Although a more efficient installation may require a higher initial investment, this difference can be offset by lower electricity bills.
In addition to the financial savings, a building equipped with energy-efficient elevators increases its value, improves its energy efficiency, and is better positioned to meet growing sustainability requirements.
Choosing the right solution requires specialist advice
Selecting an efficient elevator involves analyzing much more than the features listed in a catalogue. Factors such as the type of building, number of users, frequency of use, and condition of the existing installation are crucial to finding the most suitable option.
Working with specialists such as Aszende makes it possible to compare options, assess modernization or replacement possibilities, and make a decision based on technical criteria. A customized study makes it easier to choose energy-efficient elevators tailored to the building’s needs, capable of providing safe, efficient operation and sustainable energy savings over the long term.
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