MERCON Heating & Cooling is committed to excellence in customer care and service throughout Ottawa and surrounding areas.

Our highly trained technicians can install, service, or upgrade any make or model of furnace and A/C systems. We pride ourselves on bringing you the highest level of expertise and finest equipment available to fully service your heating and cooling system.


We offer the following services:

  • Installation or replacement of furnaces and A/C units, HWTs, gas fireplaces, pool heaters and gas generators
  • Gas lines for B.B.Q’s, fireplaces, pool heaters, dryers, and ranges
  • Residential boiler systems
  • Conversion from oil-to-gas or electric to gas heating
  • Ductless A/C’s
  • Load calculations
  • Duct Design
  • Ventilation calculations, ventilation system design & installation
  • Custom home systems from design to installation