Please place your order on or before 12-midday on Wednesday the 18th of December, telephone lines will be closed from 3pm on Friday 20th December.
We will reopen to accept orders from Thursday 2nd January 2025.

Call Us Today 02920 858200
Work Time 9:00-16:30
Western Industrial Estate Caerphilly, CF83 1NA

Positive Input Ventilation, also known as PIV, is a method used to ventilate homes. Using proven technology to eliminate the cause of condensation and improve indoor air quality, these units cost as little as one penny per day to run.  If you would like to know more about how Positive Input Ventilation works, read our PIV guide here.