Mechanical & Plumbing
- Plumbing
- Backflow
- Heating
- Ventilation
- Air Conditioning
- Hot Water Heating
- Hydronics
- Boilers, Hot water tanks & Pumps
- Water Softeners
- Preventative Maintenance
As a TSSA registered heating fuels contractor DEMELIS performs service and installation of all major heating and cooling equipment ranging from packaged heat/cool rooftop units to air make ups and exhaust systems. Licensed plumbers and certified backflow technicians carry out repairs or installations of everything from underground service mains to water boilers or washroom fixtures.