JESSP Ratgeber
Ventilation filter replacement: when to clean and when to replace
Check filter condition, follow the manual and choose the correct replacement for your JESSP model.
Read moreabout Ventilation filter replacement: when to clean and when to replace
Decentralized bedroom ventilation: plan noise correctly
How to size quiet bedroom ventilation, interpret dB(A) values, select the installation point and achieve sufficient airflow at a comfortable night setting.
Read moreabout Decentralized bedroom ventilation: plan noise correctly
Ventilation against mould: what really helps and what does not
How ventilation removes excess moisture, which humidity levels are useful and why ventilation cannot repair existing building defects or mould damage.
Read moreabout Ventilation against mould: what really helps and what does not
Which JESSP ventilation unit is right for me? DZ, Easy+, Vario 160 and Vario 110 compared
Sensors, central controller, higher airflow or a small wall opening: this comparison shows which JESSP ventilation unit fits your project.
Push-pull ventilation: paired operation explained simply
How alternating heat recovery works, why two synchronized units are often useful and which airflow figure matters when planning.
Read moreabout Push-pull ventilation: paired operation explained simply
How many decentralized ventilation units do I need?
The number of units depends on more than floor area. Learn how room use, occupancy, airflow paths and JESSP planning values determine the right layout.
Read moreabout How many decentralized ventilation units do I need?