Telephone lines will be closed from 4pm on Thursday 28th March and will reopen at 9am on Tuesday 2nd April.
Orders received during this time will be processed when we reopen on Tuesday 2nd April.

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.