Patients and staff wellbeing in healthcare premises should be the number 1 priority, a big part of reducing infection is keeping the air clean. Total Air Solutions have vast experience in dealing with large hospital projects and clinical environments. We adhere to all TR19 and BSEN 15780 compliance and can provide detailed reports on the condition of your current premises.


  • Hospitals
  • Doctors surgeries
  • Veterinarians
  • Pharmaceuticals
  • Clinical laboratories
  • Schools
  • Universities
  • Airports

The above list is not exhaustive, and we can offer services to any premises with air handling systems. We provide detailed test results from a scientific laboratory, both pre- and post-clean, to determine whether a system is clean or dirty. We do this using a PVT (Preferred vacuum test) ** See table below.


Typical Examples
Acceptable dust accumulation level Supply, recirculation or secondary air duct
Acceptable dust accumulation level extract ductwork


Rooms with only intermittent occupancy

< 0.9 g/m²

< 1.8 g/m²


Occupied rooms including: Offices, hotels, and restaurants

< 0.6 g/m²

< 1.8 g/m²


Laboratories and hospitals

< 0.3 g/m²

< 0.9 g/m²

Notes to Table

  • Prior to using this table, a definition of the relevant ventilation system(s)cleanliness quality class(es) should be decided.
  • The table should be used to define when it is considered appropriate to clean the system(s) using either the preferred vacuum testing (PVT) or deposit thickness testing (DTT) measurement methods.

Experience quality duct cleaning by choosing Total Air Solutions
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© Total Air Solutions
The CRO Number: 694975
Registered address: Roo East, Ardnacrusha, Co. Clare