We offer measurement of airtightness of buildings - blower door test for individuals and companies. It is a diagnostic method suitable especially for low-energy and passive houses and wooden buildings. We also offer the search for defects and leaks, their exact location and consultation on their subsequent solution. Free consultations, advantageous prices throughout 2011, measurements even on weekends ... More information on tel. 606577881, or at www.test-blowerdoor.cz