Energy efficiency leads to a better quality of life and reduced running costs.

We offer viable energy saving solutions reducing energy costs with rational use of available resources. Alternative, clean and renewable energy sources can contribute significantly to reduce energy costs and carbon dioxide emissions.

Our knowledge and experience allow us to design and implement the right energy strategy for each project to achieve optimal performance. Our engineers suggest workable solutions following the current energy management policies. Our goal is to offer energy optimization services and innovative techniques of high-performance solutions to reduce energy consumption and cost.


Our qualified team has high expertise in energy efficient upgrades.

3rd place at the energy savings championship

With his participation in energy savings championship Nikolaos Zoganas, founding member of 3NK Consulting Engineers, claimed the prize and finished third for energy saving solutions implemented into a new apartment. Energy saving plan has been designed and supervised by 3NK Consulting Engineers under the direction of Nikolaos Zoganas.

The championship was organized by WWF.

Energy Efficiency at Household Buildings

Through the EU co-funded program “Energy Efficiency at Household Building” there are provided incentives to improve energy efficiency of your home, saving money and energy and increasing its value. 3NK Consulting Engineers offers integrated consulting services for both the program’s integration process as well as the selection of those interventions that yield the maximum possible for your home.

Energy Performance Certificate

Energy Performance Certificate is the energy identity of each property and through that process properties are ranked in one of the energy classes A+ to G. It is accompanied by proposals for upgrades to reduce energy consumption and improve energy efficiency of the property. 3NK Consulting Engineers has all the required experience, qualifications and expertise to carry out energy audits on homes, shops, offices and complex premises.


Natural Gas

3NK Consulting Engineers undertake all procedures, from the initial stage of gas connection application until the delivery of the installation in full operation. Gas installation works are carried out by qualified and specialized workshops under the supervision of our engineering team, giving priority to safety and quality. The materials and equipment used for gas installations are high quality and meet all international standards for gas installations.