03/09/2026
Air testing a new building before completion can make or break your handover date. A1 Air Testing delivers reliable, accredited results on workmanship and ventilation performance—then we advise on what needs fixing, not just what failed. Our hands-on approach helps you avoid last-minute delays, control remedial costs, and secure the documentation you’ll need for Building Regulations, SAP, and EPC. Based locally across East Anglia and the Midlands, with nationwide coverage when your project demands it.