- Air Tightness Testing Redcar
- Air Tightness Testing Redditch
- Air Tightness Testing Retford
- Air Tightness Testing Richmond (North Yorkshire)
- Air Tightness Testing Ripon
- Air Tightness Testing Rotherham
- Air Tightness Testing Rothwell (Northamptonshire)
- Air Tightness Testing Rothwell (West Yorkshire)
- Air Tightness Testing Royston (South Yorkshire)
- Air Tightness Testing Rugby
- Air Tightness Testing Rushden
Certified by the following organisations
