Key Indicators & Decisions (KI&Ds) – Slovak Republic – 2020

01.01

Definition of public buildings (according to article 9 b)

Public building is a building owned or administered by a public entity.

The definition is set in Act 321/2014 on Energy Efficiency, section 2, k.

01.02

Definition of public buildings used by the public (according to article 13)

Buildings often visited by the public

Under the Act 555/2005 as amended by Act 300/2012 

01.03

Number of residential buildings

Total number of residential buildings 1,129,898*.              

Apartment buildings 66,293**

Single-family houses 1,063,605***

*Census 2011, official statistics for the period until 2019

**The period 2011-2019

***Database of TSUS + estimate, official statistics until 2019

01.04

Number of non-residential buildings

28,073

Database of TSUS (until 2011), official statistics for the period of 2011-2019 + estimate

01.05

If possible, share of public buildings included in the number given in 01.04

15,532

Database of TSUS + estimate

(official statistics only for 2017-2019)

01.06

If possible, share of commercial buildings included in the number given in 01.04

5,556

Estimate (official statistics only for 2017-2019)

01.07

Number of buildings constructed per year (estimate)

12,855

Official statistics and estimate

01.08

If possible, share of residential buildings constructed per year (estimate, included in the number given in 01.07)

12,520

Estimate based on statistic data

01.09

If possible, share of non-residential buildings constructed per year (estimate, included in the number given in 01.07)

332

Estimated and official statistics

01.10

Useful floor area of buildings constructed per year in million square meters (estimate)

2,000,000

Average from statistics + estimate

02.01

Are building codes set as overall value, primary energy, environment (CO₂), reference building or other

The basic document within the Building Code is the Building Act 50/1976 as amended, especially Act 237/2000. Overall conditions and principles are set in the Act 555/2005 on energy performance of buildings and Ministerial Decree 364/2012 as amended. The primary energy factors are set in Decree 324/2016.  

 Building Act 50/1976 as amended is in the process of revision, respectively drafting of a new law by the end of 2021.

The last amendment to the EPB Act and the accompanying Ministerial Decree applies as of 10 March 2020.

02.02

Requirements for energy performance of residential buildings in current building code

Since 1 January 2016, standardised requirements on ultra-low level of construction have been set; requirements meet the cost-optimal levels of minimum requirements on EPB.

Since 1 January 2021, standardised requirements on NZEB construction level have been set.

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 1.0); heat recovery min. 60%; global indicator kWh/(m².year) class A1: apartment buildings less than 63, family houses less than 108.

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 0.85); heat recovery min. 60%; use of RES; global indicator kWh/(m².year) class A0. If the NZEB exports or stores energy, it is classified in subclass A0⁺.

EPB calculations are according to STN EN ISO standards, climatic and indoor conditions according to national STN standards.

02.03

Requirements for energy performance of non-residential commercial buildings in current building code

Since 1 January 2016, standardised requirements on ultra-low level of construction have been set; requirements meet the cost-optimal levels of minimum requirements on EPB.

Since 1 January 2021, standardised requirements on NZEB construction level have been set.

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 1.0); heat recovery min. 60%; global indicator – primary energy in kWh/(m².year) class A1: e.g. office buildings less than 122, schools less than 68.

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 0.85); heat recovery min. 60%; use of RES; global indicator kWh/(m².year) class A0: e.g. office buildings less than 61, schools less than 34. If the NZEB exports or stores energy, it is classified in subclass A0⁺.

EPB calculations are according to STN EN standards, climatic and indoor conditions according to national STN standards.

02.04

Requirements for energy performance of non-residential public buildings in current building code

Since 1 January 2016, standardised requirements on ultra-low level of construction have been set; requirements meet the cost-optimal levels of minimum requirements on EPB.

Since 1 January 2019, standardised requirements on NZEB construction level have been set.

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 1.0); heat recovery min. 60%; global indicator – primary energy in kWh/(m².year) class A1: e.g. office buildings less than 122, schools less than 68.

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 0.85); heat recovery min. 60%; use of RES; global indicator kWh/(m².year) class A0: e.g. office buildings less than 61, schools less than 34. If the NZEB exports or stores energy, it is classified in subclass A0.

EPB calculations are according to STN EN standards, climatic and indoor conditions according to national STN standards.

02.05

Is the performance level of nearly zero energy (NZEB) for new buildings defined in national legislation?

Yes

In Act 555/2005 as amended by Act 300/2012 art. 2, section 8

Definition: Nearly zero-energy building means a building has a very high energy performance. The nearly zero or very low level of energy should be accomplished through effective thermal protection and  energy from renewable sources, including energy from renewable sources produced on-site or nearby.

02.06

Nearly zero energy (NZEB) level for residential buildings (level for building code)

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 0.85); heat recovery min. 60%; use of RES; global indicator kWh/(m².year) class A0: apartment buildings less than 32, family houses less than 54. If the NZEB exports or stores energy, it is classified in subclass A0⁺.

Calculations are according to STN EN ISO standards, climatic and indoor conditions according to national STN standards.

02.07

Year / date for nearly zero energy (NZEB) as level for residential buildings (as indicated in 02.04)

2021

For all new buildings and for renovated buildings when functionally, technically or economically feasible

02.08

Nearly zero energy (NZEB) level for all non-residential buildings (level for building code)

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 0.85); heat recovery min. 60%; use of RES; global indicator kWh/(m².year) class A0: e.g. office buildings less than 61, schools less than 34. If the NZEB exports or stores energy, it is classified in subclass A0⁺.

EPB calculations are according to STN EN ISO standards, climatic and indoor conditions according to national STN standards

02.09

Year / date for nearly zero energy (NZEB) as level for non-residential buildings (as indicated in 02.06)

2019 – public buildings

2021 – all new buildings and renovated existing buildings when functionally, technically and economically feasible

For all new buildings and for renovated buildings when functionally, technically or economically feasible

02.10

Are nearly zero energy buildings (NZEB) defined using a carbon or environment indicator?

Partly

Global indicator is set for primary energy. Emission coefficients are set for different energy carriers in the Ministerial Decree 324/2016. Result of CO₂ emissions calculation is included in the EPC. Requirements on level of CO₂ emissions are not set.

02.11

Is renewable energy a part of the overall or an additional requirement?

Energy required for using NZEB should be covered to a very significant extent by energy from renewable sources, including energy from renewable sources produced on-site or nearby. There is no minimum requirement on the level of RES.

Ratio of RES used is showed in every EPC.

02.12

If renewable energy is an additional requirement to NZEB, please indicate level

Ratio of renewable energy is not required.

Ratio of RES use is showed in every EPC.

02.13

Specific comfort criteria for new buildings, provide specific parameters for instance for airtightness, minimum ventilation rates

Yes

Criteria for internal air; min air change 0.5/h; airtightness 0.6

03.01

Is the level of nearly zero energy (NZEB) for existing buildings set in national legislation?

Yes

In the Act 555/2005 as amended by Act 300/2012 art. 2, section 8

03.02

Is the level of nearly zero energy (NZEB) for existing buildings similar to the level for new buildings?

Yes, they are similar to the levels of the new buildings.

Existing buildings should fulfil the requirements on new buildings if technically, functionally and economically feasible

03.03

Definition of nearly zero energy (NZEB) for existing residential buildings (if different from new buildings)

Definition is the same as for new buildings.

Definition: Nearly zero-energy building means a building has a very high energy performance. The nearly zero or very low amount of energy required to use such a building should be provided with effective thermal protection and covered to a very significant extent by energy from renewable sources, including energy from renewable sources produced on-site or nearby.

03.04

Definition of nearly zero energy (NZEB) for existing non-residential buildings (if different from new buildings)

Definition is the same as for new buildings.

Is the same as for new buildings

03.05

Overall minimum requirements in case of major-renovation

Definition of major renovation (according to Act 555/2005 as amended by 300/2012): Bbuilding construction modifications to an existing building which affect more than 25% of its surface area, in particular by thermal insulation of the peripheral and roof structures and replacement of the openings.

U-values in W/(m².K) (e.g. external walls 0.22, roof 0.15, windows 1.0); heat recovery min. 60%; global indicator kWh/(m².year) A1: apartment buildings less than 63, family houses less than 108.

03.06

Minimum requirements for individual building parts in case of renovation

Duty to fulfil the requirements on U-value (after national standard STN 73 0540-2:2012, STN 73 0540-2/Z1:2016) since 1 August 2016 has been set for ultra-low energy buildings (U_r1); STN 73 0540-2+Z1+Z2:2019 since 1 July 2019 has been set for NZEB (U_r2); in the case where it is functionally, technically and economically not feasible implementing the proposed measure, the building part subject to renovation must satisfy the requirement to fulfil certain hygienic criteria (in such a case the U-value should be lower than U_max (Table 1).

The Slovak Republic is characterised by one climatic zone.

External wall U_max: 0.46; U_r1: 0.22

Roof               U_max: 0.30; U_r1: 0.15

Windows        U_max: 1.70; U_r1: 1.00

03.07

National targets for renovation in connection to Long Term Renovation Strategy (number or percentage of buildings)

National targets are currently subject to approval by the government.

03.08

National targets for renovation in connection to Long Term Renovation Strategy (expected reductions and relevant years)

National targets for expected reductions and milestones are currently subject to approval by the government.

04.01

Number of energy performance certificates per year (for instance average or values for of 3-5 years)

17.801 (2019)

17.132 (2018)

15.896 (2017)

For 2014-6: 35,142 family houses, 4,671 apartment buildings, 1,415 office buildings, 512 schools

04.02

Number of EPCs since start of scheme

132,577 (10/2009 – 12/2019)

Issuing of EPCs started in 1 January 2008, but the obligation to register them started in 1 October 2009 due the revision of the Ministerial Decree. The number of issued EPCs during this period is missing from the total sum. 

04.03

Number of EPCs for different building types

04.04

Number of assessors

385

List of assessors is kept at the Slovak Chamber of Civil Engineers (SKSI) separately for four different types of assessors working on EPCs (thermal protection, heating and hot water, ventilation and AC, lighting). Registration is mandatory.

04.05

Basic education requirements for assessors

Master's Degree

Civil engineer, architect, machinery or electrotechnical, following the requirements stated in act 555/2005 section 6, clause 3

04.06

Additional training demands for assessors

Not mandatory

Various events are organised by the Slovak Chamber of Civil Engineers, mainly focused on new regulations and procedures.

04.07

Quality assurance system

Trade inspection carried out 148 inspections in 2016.

According to Act 555/2005, the Slovak Trade Inspection since 2014 has been responsible for the quality assurance (QA) of EPCs. The Slovak Trade Inspection is also responsible for checking if EPCs are displayed in public buildings.

The processing of EPCs is done on-line. The system checks that input data fulfils certain conditions before it is allowed to finalise and print the EPC. The number of refused EPCs is not registered.

04.08

National database for EPCs

Yes

Central register

04.09

Link to national information on EPCs / Database

https://www.inforeg.sk/ec/

05.01

Is there a national definition of smart buildings?

No

05.02

Are there current support systems for smart buildings?

No

05.03

Are there currently specific requirements for technical building systems (for instance in building codes)?

No

05.04

Are there current requirements for automatics (for instance in building codes)?

No

05.05

Chosen option A or B for heating systems (inspection or other measures)

A (regular inspection scheme)

05.06

Number of heating inspections; reports per year (if option A)

See Table 5 in 'Implementation of the EPBD in the Slovak Republic'

The values related to inspection reports are based on yearly reports from the SIEA (operator of the monitoring system for energy efficiency) to the Ministry of Economy. These reports are subject of mandatory registration.

05.07

Chosen option A or B for cooling systems (inspection or other measures)

05.08

Number of AC/cooling system inspections; reports per year (if option A)

A (regular inspection scheme)

See Table 8 in 'Implementation of the EPBD in the Slovak Republic'

The values related to inspection reports are based on yearly reports from the SIEA (operator of the monitoring system for energy efficiency) to the Ministry of Economy. Reports from LBs are subject of mandatory registration.

05.09

Is there a national database for heating inspections?

Yes

According to Act 314/2012 on regular inspections of heating and AC systems, every LB performing an inspection is obliged to send reports from inspections performed in the past year to the operator of the monitoring system for energy efficiency. Reports stored in the database as electronic files (.pdf or .doc or .xls) are verified, analysed and processed in order to prepare the yearly report to the Ministry of Economy.

05.10

Is there a national database for cooling/AC inspections?

Yes

According to Act 314/2012 on regular inspections of heating and AC systems, every LB performing inspections is obliged to send reports from inspections performed in the past year to the operator of the monitoring system for energy efficiency. Reports stored in the database as electronic files (.pdf or .doc or .xls) are verified, analysed and processed in order to prepare the yearly report to the Ministry of Economy.

05.11

Are inspection databases combined with EPC databases for registration of EPCs and inspection reports?

No

05.12

Link to national information on Inspection / Database