Tel: +1.819.210.4858

55 ch du barrage Gatineau QC J8R 3G5 CA

Example: Changing filters in an AC Rooftop unit.


We will have to:

  •  Access the roof.  A perfect time to verify the state of your roof and drains.
    • If there are any issues we can inform you so an appropriate contractor may be contacted before there is extensive damage (water, mold, damage to stock)  
  • Lockout the Unit. Verifying the electrical connections and their operations
  • Open the unit up and change the filters.
  • Close the unit up and verify the operation on start up.
    • Squeaky belts? 
    • Unbalanced fan?

Preventive Maintenance

Preventive maintenance is important because it keeps your equipment running at an optimum level.  It can also identify other problems as a maintenance program usually takes us to places rarely visited by staff and management.


  This can save countless hours of downtime and unwanted expenses.


Contact us rob@tirservices.ca for more information