No hassle energy performance certificates (PENB). We provide energy assessments, consultancy and a complete service for subsidies processed by an authorized energy specialist - quickly, reliably and clearly.

Ing. Petr Michna is a certified energy specialist licensed by the MIT, operating in Liberec and the entire Liberec Region. He prepares building energy performance certificates (PENB), renovation passports and statutory inspections of heating and air conditioning above 70 kW according to Decrees 38/2022 and 284/2022 Coll.

We provide blown insulation of houses and attics with natural cellulose insulation Isocell. We are certified Isocell contractors and we do the work carefully, with attention to detail to ensure the insulation really works. We can also help with the Renovation Passport and the New Green Savings program.

Your partner for smart energy savings - tailored optimisation. We help households, businesses and municipalities reduce energy costs smartly and in the long term.

We have been procuring subsidies for insulation, window replacement and installation of technologies for family and apartment buildings since 2014. We process energy assessments of buildings and their passporting. We are also commissioned by the Ministry of Industry and Trade to run the EKIS centre, where we offer free consultancy services.

Free energy consultancy and comprehensive project administration in the NZU and NZU Light programme, including preparation of the Renovation Passport. We provide energy audits, building performance certificates (PENB) and energy assessments. We carry out inspections of heating and air conditioning systems.

We provide engineering works, building insulation, subsidies, project documentation, projects, budgets, building permits, building energy performance certificates, penb, renovation passport, building supervision, assessments, thermal imaging, facade insulation, flat roofs, ceilings, subsidies, green savings, construction activities, etc.

Carrying out architectural studies, interior design and furniture design.

PENB building energy performance certificates. We are a professional company specializing in energy assessment of buildings with a focus on the preparation of PENB (building energy performance certificates) and energy assessments for subsidies under the New Green Savings Programme (NZU).

We prepare PENB building energy performance certificates for all types of buildings - houses, residential and industrial buildings. We provide complete documentation and administration for New Green Savings and NZÚ Light subsidies. Family run business with 30 years experience. We guarantee expertise according to current legislation.

Design activities, energy consultancy, PENB processing, renovation passports, NZÚ subsidies.

Smart setup of your plant will help you to streamline the buying and selling of the energy you produce. Sharing surplus energy between users reduces electricity costs.

We prepare energy performance certificates (PENB) for family houses, apartment buildings and other buildings for building design, building approval or sale. As certified 2025 Consultants, we will propose energy saving measures and complete the NZÚ subsidies and renovation passport for RD/BD. In addition, we can also prepare a passport for your building.