A well-prepared energy certificate provides information
The most energy is lost in buildings precisely because of unbalanced systems. The largest energy losses arise from heat loss: building envelope loss, hot water storage and circulation loss, and loss in ventilation and air conditioning systems.
The energy certificate contains suggestions for improving energy efficiency, which benefits the buyer of the building or property, among others, and also provides information on energy efficiency improvement measures (read more below). And the information obtained from the energy certificate, if completed on time, is also useful for the seller, allowing things to be put in order before the sale.
The energy certificate states the calculated energy consumption of the building in normal conditions and use.
The operational costs of a rational and energy-efficient building remain low compared to a building that wastes energy. Not to mention the resale value, comfort, healthiness, functionality, and extended lifespan of the building, as well as the reduction of environmental impact.
Who obtains an energy certificate?
An energy certificate must be presented in sales and rentals The purchase of the energy certificate is the responsibility of the seller or lessor. The energy certificate describes the energy efficiency of the house, but it also contains information on the actual energy consumption. The energy certificate must be displayed when presenting the property for sale or rental.
In a housing association, the energy certificate comes from the housing association , not from the apartment owner. It is issued by the housing association’s property manager (or chairman of the board) or by an authorized separate energy certificate issuer.
The energy certificate indicates the energy efficiency of the building.
Energy efficiency is primarily a question of the efficiency of structural components and technical systems in terms of total energy consumption.
Various measures to increase energy efficiency include, for example, optimizing the heating system or possibly installing new systems, e.g. air or air-to-water heat pumps or switching to geothermal heat, etc. The measures can be calculated and evaluated. As can the production of additional energy with solar panels or wind power. Immediate measures include, for example, setting the indoor temperature to a suitable level, checking automation systems and optimizing the compressed air system.
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Solar panels offer an efficient solution for capturing and utilizing solar energy. This sustainable source of power can be harnessed to generate electricity, heat, and cooling. Solar electricity produced with solar panels can be utilized for internal netting within a multi-story housing association during a balance settlement period.
By establishing an energy community, individuals can make use of self-generated energy in their residential and commercial spaces, including options like recharging electric vehicles.
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Energy certificate and energy audit
An energy certificate and an energy report are not the same thing. An energy report has significantly more extensive content and is required when applying for a building permit.
The energy report includes the following reviews:
- Summarized the key input data and results of calculating the building’s E-number factor
- Verification that the building’s heat losses comply with regulations
- Calculation of the specific electrical power of a ventilation system
- Estimate of the building’s heating capacity requirement
- Estimate of the summer room temperature
(and cooling capacity requirement if necessary). - Estimate of the building’s actual energy consumption
- E-number calculation
- Energy certificate, if one is required for the building
The energy certificate includes:
- Energy efficiency class on the A-G scale.
- The E-number, which indicates the calculated total energy consumption of the building.
- Calculated total energy consumption and purchased energy consumption.
- Recommendations for measures to improve the energy efficiency of the building.
- Initial data for calculating the E-number.
- Results of the E-number calculation
- a building with a floor area of less than 50 m2
- residential building intended for vacation use, not used for accommodation business,
- A fixed or temporary building with a time limit (usage period is up to 2 years),
- industrial and repair building,
- a non-residential farm building with low energy demand or used in a sector covered by a national sectoral energy efficiency agreement
- building used for worship and religious activities
- a building that is protected by virtue of the Act on the Protection of the Built Heritage (498/2010), a protection order issued in a town plan or an inscription on the World Heritage List in accordance with the Convention for the Protection of the World Cultural and Natural Heritage (Treaty Series 19/1987). However, it should be noted that when preparing an energy certificate does not change the character or appearance of the building, so often an energy certificate is also prepared generally for protected buildings to improve energy efficiency,
- such as a building used by the defense administration, which is associated with or used for confidential information.
The energy certificate is valid until it is replaced by a new energy certificate, but not more than ten years from the date of issue.
The energy certificate can be updated if repairs or other measures have been made to the building to improve energy efficiency.
According to Section 17 of the Act, the person responsible for obtaining an energy certificate may, if he so wishes, obtain a certificate in accordance with the lighter energy certificate procedure if the value of the building or real estate or apartment to be sold or the right to occupy it in a residential building comprising no more than two residential apartments is very low or if there are other particularly justified reasons, such as sale or rental between close relatives, for using the lighter procedure.
According to the Government Decree (170/2013), the above-mentioned value can be considered very low if the selling price is less than EUR 50,000. 339 / 1000 In addition to sales or rentals between close relatives, the lighter procedure may also be used for other special reasons if the building, real estate or apartment to be sold or rented is not publicly displayed for sale or rental, nor is it offered for sale or rent through publicly displayed advertising. The lighter procedure can also be used if the rent of a building, property or apartment is less than EUR 350 per month.
According to the Ministry of the Environment Regulation on building energy certificates, when using the simplified energy certificate procedure in a publicly displayed advertisement for sale or rental, instead of using a symbol representing the building’s energy efficiency, use the symbol H.
Source: YM from the building’s energy certificate.
The energy efficiency of a building is primarily a question of the efficiency of the building’s structural components and technical systems in terms of total energy consumption, including purchased energy.
1) external walls, external doors, windows, upper and lower floors and other structures
2) heating system
3) domestic water system
4) ventilation and air conditioning system
5) lighting
6) cooling system
7) electric separate heating
8) other systems that have an impact on the energy efficiency of the building
Purchased energy used and usage habits are also taken into account.
