DONNEX MECHANICAL is a full service HVAC/R & Plumbing company assisting building owners and property management companies in the GTA. We offer all inclusive maintenance and service contracts including 24/7 emergency after hours services for added peace of mind. We are dedicated to providing great customer care and will go above and beyond to ensure complete client satisfaction. Our licensed team of professional technicians has worked on over 100 high-rise buildings and countless other commercial properties!For more information about our services, our company or our experienced technicians contact us today!At DONNEX our aim is to be the most desirable company to work with and the most desirable company to work for!SERVICES WE OFFER: - 24 Hour Commercial Plumbing, Heating and HVAC Service Calls - BAS Building Automation Systems including controls and monitoring contracts - Monthly, Quarterly or Yearly Equipment Maintenance Contracts - Monthly All Inclusive Service Maintenance Contracts- Repair, retrofit, new installations & maintenance - Commercial Boiler Rooms- Steam Boilers - Rooftop Units - Backflow Preventer Testing & Complete Service- Air Handlers - MUAs and Ventilation - Gas Lines - Chillers - Drains & Sewage - Sump & Sewage Pumps - Riser Replacement - Pipe Camera Inspection - Light Commercial Mechanical and Plumbing Design for City Submission- Residential Mechanical HVAC Design for City Submission

HVAC PLUMBING COMMERCIAL BOILER REPAIR BOILER MAINTENANCE BAS BACKFLOW BUILDING AUTOMATION REFRIGERATION MUA RTU REPAIR RTU INSTALL MECHANICAL DESIGN AIR HANDLER REPAIR AIR HANDLER INSTALL AIR HANDLER COMMERCIAL BOILER SERVICE CONTRACTS VENTILATION BUILDING MAINTENANCE MAINTENANCE