Difference between energy performance certificate and energy demand certificate: Why the energy demand certificate makes more sense

Difference between Consumption Certificate and Demand Certificate: Why the Demand Certificate Makes More Sense

The energy efficiency of buildings is an important factor that influences both environmental impact and financial burden of the owners. When selling or renting a property, it is often necessary to present an energy certificate. There are two types of energy certificates: the consumption certificate and the demand certificate. In this article, we will explain the difference between both certificates and why the demand certificate makes more sense in most cases.

Consumption Certificate

The consumption certificate is based on the actual consumption data of a building. It shows the energy consumption of the property over a specific period, typically the last three years. The consumption certificate takes into account factors such as heating energy, hot water supply, and energy consumption for ventilation and air conditioning.

The advantage of the consumption certificate is that it is based on real consumption data, which are relatively easy to determine. It is cost-effective and quick to create. However, the consumption certificate only provides information about the current energy consumption of a building and does not provide information on how energy-efficient the building is overall. Actual energy consumption can also depend on individual user habits, so it can vary among different users.

Demand Certificate

In contrast, the demand certificate takes into account the energetic state of a building and determines how much energy is needed to achieve the desired comfort standard. The demand certificate considers various building parameters such as the building envelope, insulation, heating system, and other energy-related aspects. It is based on standardized calculations that determine the energy requirements of the building under standardized conditions.

The advantage of the demand certificate is that it allows for a holistic assessment of the building and reflects the actual energetic state. It identifies potential energy-saving potentials and provides information about which measures can be taken to improve energy efficiency. While the demand certificate is more complex and expensive to create than the consumption certificate, it provides a solid foundation for targeted renovation measures and long-term cost savings.

Why the Demand Certificate Makes More Sense

The demand certificate offers a more comprehensive assessment of the energetic quality of a building compared to the consumption certificate. It not only provides information about current energy consumption, but also about potential savings and improvement opportunities. This is particularly relevant when it comes to reducing energy consumption and long-term cost reduction.

Furthermore, the demand certificate allows for targeted planning of refurbishment measures. Detailed analysis of the energetic state of the building can identify weaknesses and effective measures to increase energy efficiency can be implemented. This can not only reduce energy consumption, but also increase living comfort and increase the value of the property.

The demand certificate is also advantageous for new buildings, as it can be used in the planning phase to design an energy-efficient and sustainable building. Considering energy requirements in the design phase allows for cost-effective and environmentally friendly solutions to be implemented.

Another aspect in favor of the demand certificate is its significance and recognition among potential buyers or tenants. A building with a good demand certificate may be seen as more attractive, as it signals high energy efficiency and low operating costs. This can have a positive effect on the marketing and sale price of the property.

Conclusion

Although the consumption certificate is based on current consumption data and is cost-effective, the demand certificate offers a more comprehensive assessment of the energetic quality of a building and allows for targeted renovation measures to improve energy efficiency. The demand certificate takes into account the energetic state of the building and provides information about potential savings and improvement opportunities.

When deciding on an energy certificate, it is advisable to choose the demand certificate, as it provides a solid foundation for energetic refurbishment measures and enables long-term cost savings. An energy-efficient property not only increases living comfort, but also increases the value of the property and contributes to sustainable development.

However, it is important to consult a qualified energy consultant to obtain the right energy certificate for your building and develop tailored solutions for improved energy efficiency.

We at Purpose can help you with that! Contact us now.