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In 2013 a law concerning energy certificates came into force where the energy efficiency of all construction work subject to license must be documented. The validity of old energy certificates ended in the beginning of 2014, however a house without a certificate can still be sold by 2017. After this an original version or a copy of the energy certificate must be given to the new owner or tenant.
If sufficient documentation approved by the Building Control Department has not been done, the compiler of the energy certificate cannot put together the necessary documents. According to the law, construction work subject to license is equivalent to building a new building or an extension to an already existing one. It can also be compared to repair work done to the shell or technical system of the building, which improves the energy efficiency or changes the purpose of use.
Detailed criteria of construction work requiring a license varies in different municipalities. When planning a building project, it is important to contact the local Building Control Department where the building licenses are applied from. At the same time, you will receive information on the land use planning and instructions on the method of construction of the area.
How do I Receive an Energy Certificate?
An energy certificate is done at once for an entire building, unless the building and its departments differ greatly from one another. A certificate for a single-family house can be obtained from the authorities for a few hundred euros and the process is often fairly quick. This can be done, for example through the following link Hanki Energiatodistus- palvelun kautta.
Before receiving a certificate, the authorities must check each section, the technical systems, and possible saving opportunities of the building and evaluate the energy efficiency class of it. To be able to conduct an energy certificate the authorities need information on the features of the building and can thus request to see the necessary documentation. After the energy certificate is granted, it is valid for ten years. This is of course if no construction work requiring a license is done.
When selling a property, the obligation of having a certificate becomes a problem if the sellers realize the reformed law at the last minute. With effect from 2017 it will be difficult to sell or rent a property without an energy certificate so it is important to act before it is too late.
How does an energy certificate differ from an energy review or study?
An energy certificate, review and study all differ from each other. An energy study is the most comprehensive of these three, however an energy certificate is a central part of it. To be able to put together an energy certificate, an energy review is often required. However, a certificate cannot be fully based on a review and thus all three play important roles in the process. An energy review is often done in apartment buildings or row houses. During the review many of the household devices are analysed. When evaluating an energy certificate the resident and their habits have been emitted from the equation.
In what ways can being energy efficient be proven?
The energy efficiency of a renovation work can be shown in three different ways. Firstly, specific building and system requirements should be updated. The doors and windows should be updated to modern standards and the air permeability of the roof and outer walls should be evaluated and possibly rectified. Also, the U-value is repaired by thermal insulation, at most to the present recommendation of 0.17.
The second way the energy efficiency can be shown is by determining the estimated energy consumption for each heated net square meter before and after the renovation work. When performing this evaluation, the habits of the residents are discarded and the estimated energy consumption and the energy production method are taken into consideration.
The third and final way is to evaluate the e-factor of the building. This is achieved by performing a simple calculation: the purchased energy of the building multiplied by the coefficient of the form of energy used divided by the net area being heated. In addition to the consumption of energy, the energy production of the building is also taken into consideration in this equation.