Frequent Questions

Frequent Questions

Does a LIGHTDIS Upper Room Fixture effective against COVID-19?

Yes, it is effective against any airborne microorganism, virus or bacteria. Several scientist studies suggest…
Frequent Questions

When Upper Room began to be used for Air Disinfection?

Upper Room systems began to be installed with people present inside the rooms since the…
Frequent Questions

What makes different a LIGHTDIS Upper Room system, from other Ultraviolet Air Disinfection devices on the market?

Illuminating Engineering Society position for Ultraviolet Air Disinfection Systems (1), in written publication in response…
Frequent Questions
Using a LIGHTDIS Upper Room Fixture for Indoor Air Purification, could it be used in the presence of people?
Frequent Questions
Are LIGHTDIS Upper Room Fixtures safe for people?
Frequent Questions
Where can LIGHTDIS Air Disinfection Fixtures be installed?
Frequent Questions
COVID-19, does SARS-CoV-2 Airborne?
Frequent Questions
To remove microorganism from indoor room air, does enough with ventilation?