Ottawa HVAC/R • 24/7 Emergency Service
HVAC/R services built around custom installations and dependable support
From residential comfort to commercial reliability, Cosenzo Mechanical delivers expert service, maintenance, and repairs across Greater Ottawa and surrounding areas within 100 km.
Explore our core services
Choose a service below to learn more, or request a quote for help selecting the right solution.
Residential HVAC
Furnaces, AC, heat pumps, and indoor air quality—installed and serviced with care.
Commercial HVAC
Rooftop units, make-up air, and mechanical systems to keep your business running.
Refrigeration
Walk-ins, reach-ins, and refrigeration equipment service to protect your inventory.
Custom Installations
Ductwork, equipment swaps, and tailored builds designed for performance and longevity.
Maintenance & Repairs
Preventive maintenance and fast troubleshooting to restore comfort and uptime.
Emergency Service
When it can’t wait—call for urgent HVAC/R support, day or night.
What we do
Service details at a glance
We focus on clear communication, quality workmanship, and solutions that fit your space, budget, and timeline.
Residential HVAC
New installs, replacements, and repairs for furnaces, air conditioners, heat pumps, thermostats, and ventilation. We’ll help you improve comfort and efficiency while keeping your system safe and reliable.
Commercial HVAC
Service and support for rooftop units, unit heaters, make-up air, and mechanical room equipment. We work with property managers and business owners to minimize downtime and keep occupants comfortable.
Refrigeration
Diagnostics, repairs, and maintenance for refrigeration systems and components. If you’re dealing with temperature issues, icing, leaks, or performance concerns, we’ll get you back to stable operation.
Custom Installations & Retrofits
Custom ductwork, equipment upgrades, and tailored installations for unique spaces. We plan carefully, install cleanly, and verify performance so your system runs the way it should.