Office České Budějovice:
  Energy Consulting Service, s.r.o.
  Žižkova tř. 309/12, 371 22 České Budějovice,
  You can find us in 1st floor, door #116

E-mail: info@ecservice.cz

Phone: 774 400 922, 603 320 822

Office Plzeň:
  Energy Consulting Service, s.r.o.
  Jagellonská 493/5, 301 00 Plzeň, map

E-mail: plzen@ecservice.cz

Phone: 377 227 111, 724 557 636

For English and German speaking:
+420 604 422 292

Operating hours of our offices:
  Monday 9:00 – 11:30 13:00 – 16:30
  Wendesday 9:00 – 11:30 13:00 – 16:30
  on other days according to prior arrangement

Webpage: http://www.ecservice.cz/en/

Quick contacts:

Ing. Martin Škopek, Ph.D.
T: 603 320 822, martin@ecservice.cz

Jana Schmidtmayerová
T: 774 400 922, info@ecservice.cz

Ing. Pavlína Charvátová
T: 604 728 156, pavlina.charvatova@ecservice.cz

Ing. Aneta Finková
T: 739 423 178, aneta.finkova@ecservice.cz

Ing. Ilona Dohnalová
T: 739 423 178, ilona.dohnalova@ecservice.cz

Václav Beneš, DiS
T: 774 400 922, vaclav.benes@ecservice.cz

Bc. Martin Dvořák
T: 774 400 922, martin.dvorak@ecservice.cz


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As an independent consulting, auditing, designing, expert and surveying office, we have been offering the following services since 2007 with a nationwide reach:

  • Independent comprehensive energy consulting services in particular in the following areas:
    • energy savings,
    • design of thermal insulation for buildings and thermal losses calculation,
    • renewable resources (photovoltaic power plants, thermic solar panels, heat pumps, biomass boilers, small hydroelectric power plants, windmills, use of biogas, cogeneration and trigeneration units, etc.),
    • use of waste energy,
    • sources of light,
    • public lighting systems operation (from the point of view of reducing energy demands thereof, passportization, etc.),
    • Optimization of costs relating to energy purchase (electricity, natural gas, purchased heat, water and other media or fuels),
    • KNX/EIB system - smart house control system management (focusing on components manufactured by ABB, Schneider Electric, WAGO, etc.),
    • and other requirements imposed by the customer,
      • personal consultation,
      • replies to e-mail inquiries,
      • thematically organized lectures,
      • execution of technical texts,
      • implementation of an interactive course, seminar,
      • answers or discussion forums presenting,
      • participation in expert committees, juries, etc.,
      • or based on different agreement.
  • Preparation of energy documents, in particular:
    • Energy audits pursuant to sect. 9 of Act No. 406/2000 Coll. as amended and the implementing Decree No. 480/2012 Coll. (formerly Decree No. 213/2001 Coll. as amended by Decree No. 425/2004 Coll.) /EA/,
      • of buildings,
      • sets of buildings (manufacturing plants, hospitals, etc.),
      • technological units,
      • public lighting systems,
      • energy sources,
      • energy distribution systems,
      • etc.,
    • In accordance with the applicable implementing decree, every energy audit consists, among others, of the following:
      • description of the existing condition of the energy audit subject, including energy balance,
      • assessment of the existing condition of the energy audit subject from the point of view of the energy utilization efficiency and the energy management system level,
      • list of measures proposed to improve the energy utilization efficiency,
      • summarized variants of proposals for individual sub-measures (structured, for example, as cost-free, low-cost (non-investment), medium- and high-cost (investment) ones),
      • selection of the optimal variant (from the point of view of energy savings, economic return, environmental benefits, technical feasibility, including recommended procedures to achieve synergic effect of all the assumed sub-measures),
      • recommendations of the energy expert authorized to prepare energy audit,
      • energy audit file record,
      • attachments proving the executed calculations under the considered boundary conditions.
    • Energy reports pursuant to sect. 9a of Act No. 406/2000 Coll. as amended and the implementing Decree No. 480/2012 Coll. Economic Assessment (EA),
      • assessment of technical, economic and environmental feasibility of alternative energy supply systems,
      • assessment of feasibility of projects covering reduction of energy demands of buildings, improvement of energy utilization efficiency, reduction of emissions generated by combustion sources of pollution or utilization of renewable or secondary sources or combined heat and power generation financed under support programmes from the state and the European funds or funds resulting from a sale of permits under the EU Emission Trading Scheme,
      • evaluation of achievement of parameters of the projects implemented within the framework of programmes referred to in the previous paragraph,
      • recommended measures to reduce energy demands of a building in the case of a larger-scale modification of the finished building,
      • source materials for public contracts in the field of energy efficiency improvement, reduction of emissions from combustion sources of pollution or utilization of renewable or secondary sources or combined generation of power and heat,
      • evaluation of implemented measures which were proposed in the energy audit,
      • assessment of limits achievement with different rules for heating, cooling and hot water supply.
    • Certificates of energy performance of buildings pursuant to sect. 7a of Act No. 406/2000 Coll. as amended and the implementing Decree No. 78/2013 Coll. (formerly No. 148/2007 Coll.) /Certificate of energy performance (průkaz energetické náročnosti in Czech, PEN), Certificate of energy performance of a building (průkaz energetické náročnosti budovy in Czech, PENB)/ - the so-called energy label of a building,
    • Examinations of boilers and heat energy distribution systems under operation pursuant to sect. 6a of Act No. 406/2000 Coll. as amended and the implementing Decree No. č. 194/2013 Coll. (formerly Decree No. 276/2007 Coll.), the purpose of which is to ascertain the average efficiency of the boiler in respect of its current technical condition, dimensioning for the building where it is installed, under which in particular the following acts are performed:
      • assessment of the existing valid source materials (design documentation, reports on the adjustment of burners, emissions measurement, flue gas ducts examination, etc.),
      • assessment of fuel consumption,
      • assessment of the boiler capacity suitability considering the heating system (in the current condition),
      • check of control of the heat transfer to the heated area,
      • determination of the boiler losses and efficiency,
      • assessment of the boiler technical condition,
      • possible assessment of the hot water preparation method,
      • Proposal for measures to be taken to improve the primary fuels utilization efficiency.
    • Examinations of air-conditioning systems under operation pursuant to sect. 6a of Act No. 406/2000 Coll. as amended and the implementing Decree No. č. 193/2013 Coll. (formerly 277/2007 Coll.); the purpose of the examination is to provide for a long-term economic operation of the air-conditioning systems with emphasise on the lowest achievable consumption of electric power and it is performed in particular in respect of the following:
      • assessment of the existing valid source materials (design documentation, reports on measurements and control of the HVAC system, etc.),
      • assessment of the quantity of energy necessary for operation,
      • identification of sources of coldness, HVAC units and distribution systems and thermal insulation thereof,
      • assessment of physical condition compared to designed parameters, method of maintenance, etc. (in the current state),
      • examination of the control system,
      • evaluation of and proposal for measures to be taken with a view to increasing efficiency.
    • Energy labels of a building envelope pursuant to ČSN 73 0540:2-2011,
      • basic comprehensive thermal and technical assessment of civil structures based on the set of the ČSN 73 0540 standards and the relating standards, TNI, etc.,
    • Evaluation (classification) of buildings based on requirements imposed by the ČSN EN 15232:2012 standard = Energy performance of buildings, influence of automation, control and administration of buildings,
    • Implementation of the ČSN EN ISO 50001:2012 standard - energy management systems (supersedes ČSN EN 16001:2010), based on Deming cycle (PDCA Cycle), which means the method of gradual improvement of, for example, quality of products, services, processes, applications and data performed in the form of repetitive application of the four basic activities:
      • P /Plan/ - planning the assumed improvement (intention),
      • D /Do/ - implementation of the plan,
      • C /Check/ - verification of the result of implementation against the original intention,
      • A /Act/ - modifications of the plan as well as the implementation thereof as such based on verification and putting the implementation in general practice.
        The purpose of the ČSN EN ISO 50001:2012 standard is long-term, permanent reduction of energy demands by means of creating the necessary systems and processes; the standard applies to all types and sizes of organizations having energy management - manufacturing companies as well as services providers, e.g. school, sports, medical or accommodation facilities or companies dealing in facility management, etc. Audit of the energy management system outlines the potential of energy utilization and defines the areas subject to risks. The implementation may be completed by certification of the energy management system by an accredited company, the benefits of which are in particular as follows:
        • reduction of operating costs,
        • reduction of environmental impacts,
        • image of a socially responsible organization, which refers to, among others, a competitive advantage.
    • Implementation of a set of the ČSN EN 16247 standards (under preparation) Energy audits, the parts:
      1. General requirements; defines the attributes of good quality concerning execution of energy audits. Defines requirements imposed on energy audits and the corresponding duties within the framework of the energy audit process. This standard is applicable to business organizations, industrial organizations, owners or associations of residential premises and organizations operating in the public sector with the exception of private family houses.
      2. Buildings; relates to specific requirements imposed on energy audit in buildings. The standard defines requirements, methodology and results of energy audits of a building or a group of buildings, with the exception of private apartments.
      3. Processes; specifies requirements, methodology and results arising from energy audit performed in industrial premises. This part of EN 16247 applies to situations where energy consumption is related directly to the process due to the relating services and the necessary operating conditions. In the industrial sector, energy audit is an important instrument facilitating energy management of the organization and may be a part of the entire energy management system. The industrial premises under audit may contain one or two production lines, offices, laboratories, research centres, packing and storage areas, etc. with diverse operating conditions for which the respective activities are performed. The energy audit then may include the entire industrial premises or a part thereof.
      4. Transportation; procedures described herein apply to various types of transportation (road, railway, sea and air one) as well as to various scopes (local or long-distance) and to commodities transported in different manners (in general, various cargoes or passengers are concerned). It applies to every situation where transportation / forwarding is performed, regardless of who is the operator (either a public or a private undertaking, or whether the subject is intended for transportation exclusively or not). The audit process provides for advice concerning energy optimization in each type of transport as well as selection of the best mode of transport under every situation. It is possible that conclusions resulting from the energy audit will have an impact on the follow-up change of the infrastructure.
    • Analyses of special requirements imposed on energy management based on requirements of the contracting entity, in particular from the point of view of energy supplies:
      • evaluation of threats and assessment of the supplies safety,
      • based on calculations arising from the theory of probabilities, we will answer questions of the following types:
        • what is the probability that the system will run smoothly in the period under review?
        • how many and how long failures will occur in the system per year?
        • how the reliability will change when the system is backed up with a redundant one?
        • etc.,
      • implementation of procedures focused on mitigation of risks,
      • the relating training focused on safety awareness improvement.
    • Opinions of the Consulting and Information Centre (poradenské a informační středisko in Czech, PIS) pursuant to Order of the Government of the Czech Republic No. 299/2001 Coll. as amended,
    • Energy passports for individual premises or technological units depending on importance thereof from the point of view of total consumption of energy, etc.,
    • Keeping records of the energy management parameters, be specific on the part of consumption, and on the part of energy purchase (electric power, natural gas, purchased heat, water, compressed air and other media or fuels),
    • Feasibility studies serving for the purpose of assessment of the project feasibility from the point of view of finance but also for the purpose of assessment of effectiveness of utilization of potentially invested funds which means verification of the project viability. In addition, it is an essential part of the project management. The scope and form of the feasibility study differs depending on the purpose of application thereof, however, regardless of the type of the project under assessment, every feasibility study adheres to the following basic structure:
      • technical analysis of the project / investment;
      • market analysis of the project / investment;
      • financial and economic analysis of the project / investment.
    • Preparation, evaluation or review of business plans in the energy sector, which are basic plans of business activity, goal-directed in particular on the main, crucial sphere of business activity, or as a main argument to convince a potential investor. From practical point of view, a business plan can be seen as a long-term strategy for business activity adopted by the entrepreneur. The content of the business plan / prospectus is not defined in a binding manner. Different investors or banks have different requirements for the structure and scope thereof. On the other hand, the business plan should provide for answers to minimum the following questions:
      • what is the current position of the company?
      • where would the company like to get in a year or two?
      • how does the company want and is able to achieve the foregoing?
    • Defining potential energy savings and measures resulting in savings - preparation of a plan of savings, balance calculations,
    • Evaluation of implemented measures and comparison of the assumed savings with actually achieved savings,
    • Economic evaluation of investment projects focusing on energy savings based on the customer's requirements, e.g. based on the cost approaches (profit or revenue based ones), such as:
      • annual-cost-averaging method,
      • discounted-cost method,
      • rate-of-return-averaging method,
      • real-pay-back-period method /Tsd/,
      • net-present-value method /NPV/,
      • internal-rate-of-return method /IRR/,
      • and many others, or cost-benefit analysis /CBA/ referring to the method of measuring all costs, which means all-company ones as well on the one hand, and all benefits (not only financial revenues) on the other hand. It analyses all positive as well as negative effects arising from the project. This method can be used for e.g. assessment of projects subsidized from public resources (public infrastructure, subsidized projects in general). Any investor or potential operator of the project may evaluate all imaginable benefits, gains, positives, but also costs, impacts, disadvantages and negatives of the respective project;
      • within the framework of individual methods, we perform what-if analyses depending on input quantities, etc.
    • Detection and quantification of unauthorized (the so-called black) withdrawals pursuant to the Energy Act No. 458/2000 Coll. as amended and the implementing Decrees Nos. 51/2006 Coll. and 82/2011 Coll.,
    • Various studies, policies, specialist, surveying or expert opinions, methodologies...,
    • Technical and economic analyses, when documents focused on specific needs of the customer as well as instantaneous needs of the customer utilizing mathematical (computer) modelling of the respective issue in various scenarios are concerned, the content of which is not specified in detail by the applicable legislation,
    • and many other documents based on specification of the customer's assignment.
      Note: Act No. 406/2000 Coll. ... the Energy Management Act, Act No. 458/2000 Coll. ... the Energy Act, Act No. 183/2006 Coll. ... to regulate land use planning and the building code (the Building Act); are always considered in the "as-amended" version, including the implementing regulations.
  • Provision of source materials for subsidies based on the current situation, e.g.:
    • Zelená úsporám, Nová Zelená úsporám, (energy savings support programmes administered the Czech State Fund of the Environment under the auspices of the Ministry of the Environment),
    • Panel 2013+ (reconstruction and modernization support program administered by the Czech State Housing Development Fund under the auspices of the Ministry of Regional Development),
    • Integrated plan for urban development (Integrovaný plán rozvoje města in Czech, IPRM),
    • Environment Operational Programme (Operační program životního prostředí in Czech, OPŽP),
    • Operational Programme on Entrepreneurship and Innovations (Operační program Podnikání a inovace in Czech, OPPI) - in particular the chapters devoted to Eco-Energy and Immovables,
    • Rural development programme (Program rozvoje venkova in Czech),
    • EFEKT - Czech state programme supporting energy savings and utilization of renewable energy sources,
    • and many others...
  • Preparation of passports for public lighting systems
    • within the scope based on specification of the contracting entity or the subsidy provider,
    • including the possibility of extension by studies or designs of new lighting systems (lighting devices, light sources, control systems, monitoring, structural parts, cable systems, etc.), including technical, energy and economic evaluation, etc.
  • Provision of expert opinions, views and expert assessments in the following fields:
    • ENERGY SECTOR - generation, distribution and utilization of energy, evaluation of energy savings,
    • ELECTRICAL ENGINEERING - generation, distribution and utilization of energy, evaluation of electrical energy savings
    • Expert opinions are prepared pursuant to Act No. 36/1967 Coll. to regulate expert witnesses and interpreters and Decree No. 37/1967 Coll. as amended, in particular for the following purposes:
      • determination of the equipment technical condition in time, the current functionality thereof and parameters of the operation thereof,
      • assessment of the equipment condition (power supply sources, distribution systems, current consumers), the method of operation thereof from the technical, economic and other points of view,
      • investigation of causes of failure conditions, incidents and accidents relating to the equipment operation,
      • provision for source materials for criminal prosecution, tort and commercial litigations where they serve as pieces of evidence,
      • decision on complaint procedures where it is necessary to assess the conditions of operation of the subject-matter of the complaint,
      • finding and assessment of the equipment condition prior to its acquisition or investment,
      • assessment of eligibility of claims relating to energy equipment,
      • detection of the supplied energy quantity,
      • detection of unauthorized withdrawals of energy and subsequent calculation of damage caused to the supplier,
      • assessment of the correctness and justification of the invoice for electricity, heat, hot water, etc.,
      • and many others.
    • The expert opinions are intended for:
      • bodies of the Czech state administration, which means the courts, public prosecutors' offices, the Police of the Czech Republic, the Army of the Czech Republic, the State Mining Administration of the Czech Republic, the State Labour Inspection Office of the Czech Republic, the Czech Energy Inspection Authority, etc.,
      • ublic notaries, attorneys-at-law, administrators of the bankruptcy assets, executors, etc.,
      • insurance companies, banks and other similar institutions,
      • legal entities, which means companies and organizations of all types, cooperating societies and partnerships, associations, societies, chambers, confederations, alliances, self-employed natural persons (self-employeds),
      • natural persons not pursuing any economic activity.
    • Views and expert assessments are intended in particular for legal and natural persons, are prepared based on trade licence for advisory and consulting activities, preparation of expert studies and opinions, and we perform them in the aforementioned fields, under standard circumstances e.g.:
      • assessment of the technical equipment condition with a view to documenting the equipment and technological units in a comprehensive manner,
      • assessment and reports as source materials for acquisitions, determination of service life, planning of maintenance, reviews, insurance and other,
      • assessment of adherence to the legislative framework of generation, transmission and distribution of electric and heat energy,
      • and many others.
    • In addition, we provide for opposition or review opinions, we cooperate on the preparation of forensic audits, etc.
  • Designs of new buildings and designs for thermal insulation in accordance with the Building Act and the implementing decrees thereto as amended
    • Specialization in low-energy and passive houses
  • Contact and contactless (thermovision) measurement of temperature:
    • at diagnostics of buildings, used in particular for:
      • examination of thermal-insulation properties of building envelopes to determine hidden heat dissipation,
      • search for deficiencies and defects concerning implementation of thermal insulation of buildings (thermal bridges),
      • search for damp places prone to occurrence of mould,
      • search for heat distribution systems (e.g. failures of under-floor heating, etc.), electrical installations, etc. in the building structures,
      • execution of a check of the performed work (prior to approval of the building, etc.),
      • etc.
    • technological distribution systems (of heat, coldness, hot water, electricity and other media), sources and current consumers, such as:
      • search for places of leakage, leaks, poor-quality insulation, etc. in the case of piping systems,
      • detection of heated elements of the electrical distribution systems, poor-quality connections, overloaded elements, uneven phase-load, etc.,
      • search for faulty bearings of rotating machines, packing, skids, etc.,
      • detection of failures of the photovoltaic power plants panels or connections thereof,
      • and other contactless and no-dismantling diagnostics without restricting the equipment operation, which means detection of places where failures are about to occur where heating and thus increase of temperature occurs due to incorrect or fault operation. In the aforementioned manner, it is possible to achieve a reduction of the losses relating to the equipment outage, a reduction of the expenses relating to the equipment maintenance and possible repairs and in particular to reduce the time necessary for identification of the defect or localization of the critical point.
    • possibility to prepare and analyse thermograms pursuant to ČSN EN 13187.
  • Measurement of electric power quality (which means overvoltage, undervoltage and power failures in addition to transient effects, voltage imbalance, flicker and harmonic components contents) on the part of low voltage pursuant to ČSN EN 50 160 with certified outputs in the A accuracy class (0.1 %) with the following possibilities:
    • basic mode of measurement of TRMS currents and voltages (AC+DC) up to 6,500 A / 2,000 V,
    • harmonic analysis mode up to the 50th harmonic, " performance analysis with measurement of active, apparent and idle power, energy and power factor,
    • harmonic analysis mode up to the 50th harmonic, " performance analysis with measurement of active, apparent and idle power, energy and power factor,
    • transient phenomena monitoring,
    • INRUSH functionality for the measurement of starting currents,
    • mode of record on long-term monitoring of the selected network parameters,
    • ALARM mode of the report on failure, upon exceeding the set limit values,
    • standard applications:
      • verification of correct measurement of electricity meters and other meters,
      • verification of the functionality of compensation of idle power or performing the analysis for the proposal thereof,
      • detection of current consumers having impacts on the network, finding defective and transient phenomena in the electric network causing failures or incorrect operation of electrical equipment,
      • check of parameters of the sources (e.g. photovoltaic power plant /FVE, fotovoltaická elektrárna in Czech/,etc.) and current consumers, in particular power factor and efficiency thereof,
      • verification of correct values of front-end protective elements (e.g. main circuit breakers before electricity meters),
      • long-term monitoring of electric energy quality, e.g. for the needs of preparation of source materials for potential disputes on the level of the customer and electricity supplier,
      • short-term measurement for the purpose of determining the character of withdrawal and condition in the critical distribution node when the result serves, for example, for determination of the possible cause of certain failures, or elimination of the assumed causes. The obtained measurement may be the source material for the needs of predictive maintenance and based on the measured results, certain service interventions are derived,
      • performance measurement when the results of the performance analysis may be the source material for installation of new equipment in the existing operation. In this case, it is advisable to perform a part analysis of the quality of electric energy and based on the obtained results, it can be derived how the newly installed equipment will affect or will be affected by the electrical installations,
      • etc.
  • Sale and technical support of the FEM application QuickField™ for 2D calculations of physical fields
  • Simulation of 2D and 3D physical fields:
    • civil engineering details (thermal bridges...),
    • temperature, moisture field,
    • electromagnetic fields,
    • complex tasks.

  • We will provide you with specific references upon request. All the aforementioned activities are offered to a wide range of customers starting with individuals (households, family or apartment houses), through customers from the sphere of the public administration (school, medical or multiple-purpose facilities, municipal authorities, city councils, etc.) up to customers from the private sector with various types of business activity (e.g. industrial plants operating in various industries, commercial, administrative and business centres, energy producers, etc.). We are a long-standing partner of power engineers, assets administrators (in general, employees dealing with facility management), real estate offices, cooperative housing societies, etc. The goal of the company is to retain its important position in the Czech Republic - in particular due to the quality and scope of the provided solutions and services.

The respective activities are guaranteed in particular by:

  • Ing. Martin Škopek, Ph.D.
    • Energy Auditor No. 0628, here.
    • Expert Witness appointed by the Regional Court in České Budějovice, here.
    • KNX Partner, here.

We operate the following websites:

QuickField.cz VlastniSpotreby.info >KatalogVO.cz ProAuditory.cz
QuickField.cz VlastniSpotreby.info KatalogVO.cz ProAuditory.cz

We are members of the following professional organizations:

  • South Bohemian Chamber of Commerce (Jihočeská hospodářská komora in Czech),
  • Energy Auditors Association (Asociace energetických auditorů in Czech),
  • Chamber of Expert Witnesses of the Czech Republic (Komora soudních znalců ČR in Czech), section EITE, member of EuroExpert,
  • Society for Public Lighting Systems Development (Společnost pro rozvoj veřejného osvětlení in Czech),
  • JCI Czech Republic,
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We support the following projects:

  • Arpida, centrum pro rehabilitaci osob se zdravotním postižením, o.s. (centre for rehabilitation of handicapped persons) ,
  • construction and operation of the school in Kargyak, with the help of the Občanské sdružení Surya civic association,
  • international humanitarian organization Médecins Sans Frontieres (MSF),
  • selected projects of the A-B help company,
  • initiative titled "Podnikáme bez korupce" (Business without Corruption), as all employees of the Energy Consulting Service, s.r.o. company reject any form of corruption - they do not accept bribes and they do not arrange for situations inviting bribe offering, they do not offer or provide bribes. In case they are offered a bribe or if they are asked for a bribe, they reject such an act unambiguously. A bribe refers to a reward of a financial or material character, based on which preferential treatment or favouritism occur in respect of a business case award.


Place of business:
  Energy Consulting Service, s.r.o. - Žižkova tř. 309/12, 371 22 České Budějovice, map
  E-mail: info@ecservice.cz, Home page: http://www.ecservice.cz
  Phone: 774 400 922, 603 320 822
  For English and German speakers contact please phone number +420 604 422 292

Office Plzeň:
  Energy Consulting Service, s.r.o. - Jagellonská 493/5, 301 00 Plzeň, map
  E-mail: plzen@ecservice.cz
  Phone: 377 227 111, 724 557 636

Legal form: ltd company; Identification no.: 280 62 868; Tax identification no.: CZ28062868 DUNS: 495 157 528

ID of data box: i4i38z5
Number of account: 2589713028/5500; Raiffeisenbank a.s., with headquarters in Olbrachtova 9, 140 21 Praha 4
Company representative: Ing. Martin Škopek, Ph.D.
Phone: 603 320 822, e-mail: martin@ecservice.cz, Skype nick: SkopekM

© Energy Consulting Service, s.r.o. ®, 2022
Last update: 29/09/2015
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