Positive Input Ventilation Unit
The PIV units is a condensation control unit. it works be providing a gentle stream of moisture free air from the roof space that has been through a filter. this gentle stream of air mixed with warm air at ceiling height and then circulates around the property stopping a build up of moisture laden air. this system is ideal for people with allergies. as the humidity is lowered the conditions that allow bed bugs, viruses and dust mites to bread are taken away lessening the chance for them to increase in numbers and lessening the chance of allergy attack.