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Accreditations | Certifications | Licenses

HRAI Certified

TRTL is fully certified by HRAI (The Heating, Refrigeration and Air Conditioning Institute of Canada) with both the RASDT and RHDT designation.
The HRAI Residential Air System Design Technician (RASDT) Designation and the Residential Hydronic Design Technician (RHDT) Designation were established in partnership with Natural Resources Canada (NRCan). 
TRTL holds certifications through HRAI for Residential Heat Loss / Heat Gain Calculations, Residential Air System Designs, Residential Radiant Heating Design, Residential Ventilation and Residential Commissioning.TRTL also holds a design and install certification for Residential Geothermal Systems from GeoSmart as well as On Site Sewage certification with the Ministry of Municipal Affairs and Housing (MMAH)
TRTL holds trade licences with the Ontario College Of Trades (OCOT) and the Technical Standards and Safety Association (TSSA) for Sheet Metal, Plumbing, Pipe Fitting, Natural Gas, Propane, Oil Burners, Pressure Vessels and Boilers and Backflow Prevention.
HRAI is a national association that represents more than 1,300 heating, ventilation, air conditioning and refrigeration (HVACR) manufacturers, wholesalers and contractors, and which provides Canadians with the tools and information necessary to ensure their total indoor environment comfort. HRAI is committed to a safe, responsible and fair industry that is environmentally-responsible and sustainable.

MMAH Certified

TRTL is certified and registered with MMAH (Ministry of Municipal Affairs and Housing) as a design firm with the qualifications of:

  • HVAC House 

  • Plumbing House 

  • On Site Sewage

  • General Legal / Powers and Duties

Accreditations: Industries
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