Does a ventilation window need a power source?
No. Each valve contains a thermo-sensitive wax thermostat that adjusts itself au [...]
Will the ventilation window overheat my home?
No. Our patented valves adjust the window function according to temperature. On [...]
How does the ventilation window work?
Fresh air enters at the bottom of the window. Ambient heat and, on a warm day, s [...]
What is the ventilation window?
The ventilation window is an intelligent, low-maintenance window. It works witho [...]