Maintenance & Repairs
Keep your HVAC/R running reliably—year-round.
From seasonal tune-ups to urgent repairs, Cosenzo Mechanical delivers dependable service for homes and businesses across Ottawa and surrounding areas.
Prevent breakdowns with proactive maintenance
Regular maintenance helps improve efficiency, extend equipment life, and reduce unexpected downtime.
We service furnaces, air conditioners, heat pumps, rooftop units, make-up air units, refrigeration equipment, and more. If it heats, cools, or keeps product cold—we can maintain it.
What we handle
Common repairs & service calls
Fast diagnostics and clear recommendations—so you can make the right call for your system and budget.
No heat / no cooling
Troubleshooting for furnaces, AC, heat pumps, and rooftop units—thermostats, ignition, airflow, and controls.
Airflow & comfort issues
Filter and duct issues, blower problems, balancing, hot/cold spots, and indoor air quality concerns.
Refrigeration performance
Temperature swings, icing, leaks, fans, defrost issues, and component replacement to protect product.
Electrical & control faults
Capacitors, contactors, relays, safeties, sensors, and control troubleshooting to restore safe operation.
Why it matters
Maintenance that pays off
