tool

Anemometer

All fans tested inside & outside unless ducting short and straight. February ’21 88% vents picked up as defective, by testing with Anemometer

A picture containing text, wall, person, hand Description automatically generated

Damp meters

Don’t be fooled by a damp proofing contractor using a damp meter to diagnoise rising damp. Damp meters can’t determine the cause of damp.