Among the most commonly used heating activities include the installation and repair of heating systems and heaters, installation of heat distribution throughout the house or across the firm fitting the underfloor heating and installation of boilers, as gas, as well as those operating on solid fuel.

Repairs of reserved gas equipment in the range: technical equipment gas group A for: h gas consumption by combustion with output over 0.5 MW technical equipment gas group B for: h1 gas consumption by combustion with output from 5 kW to 0.5 MW h2 gas consumption by combustion with power from 5 kW to 50 kW Installation, reconstruction, maintenance ...