Eko Master is the approved installer and reseller of heat recovery ventilation, also known as HRV or MVHR. Our company can prepare a project and/or installation of a complete HRV/MVHR system at any location in EU. Complete systems which we can provide and service are using air exchange between the inbound and outbound air flow; that provides fresh air and improved climate control, while also saving energy by reducing heating (and cooling) requirements. odnawialne źródła energii wielkopolska