Residential HVAC • Ottawa & surrounding areas
Comfort you can count on—heating & cooling done right
Installation, replacement, and repair for furnaces, A/C, heat pumps, and air quality upgrades—backed by knowledgeable service and strong customer support.
What we do
Residential HVAC services
From emergency repairs to planned upgrades, we help Ottawa homeowners stay comfortable in every season.
Furnaces & Boilers
Troubleshooting, repairs, and replacements for reliable winter heat. We’ll help you choose the right equipment and set it up for safe, efficient operation.
Air Conditioning
A/C repairs, replacements, and new installs for consistent cooling and humidity control—sized properly for your home.
Heat Pumps
Cold-climate heat pump installs and service for efficient heating and cooling in one system—ideal for Ottawa’s changing seasons.
Indoor Air Quality
Air filtration upgrades, humidifiers/dehumidifiers, and airflow improvements to help your home feel cleaner and more comfortable.
Why Cosenzo Mechanical
A straightforward approach to home comfort
Residential HVAC FAQs
Quick answers to common questions from Ottawa homeowners.
Do you offer emergency service?
Yes—Cosenzo Mechanical provides 24/7 emergency service. If you have no heat or no cooling, call us and we’ll help you triage the issue and book the fastest available service.
Can you help me choose the right size furnace or A/C?
Absolutely. Proper sizing matters for comfort, efficiency, and equipment life. We’ll review your home and recommend equipment that fits your needs and budget.
Do you service heat pumps in winter?
Yes. We service and maintain heat pumps year-round and can help with cold-weather performance, defrost issues, and airflow problems.
What should I do if my furnace won’t start?
Check your thermostat settings, replace the filter if it’s clogged, and make sure the power switch/breaker is on. If it still won’t run, call for service to avoid unsafe resets.
How often should I schedule maintenance?
Most systems benefit from annual maintenance. It helps catch issues early, improves efficiency, and supports reliable operation during peak seasons.
Do you provide quotes for replacements or new installs?
Yes—request a quote and we’ll follow up to confirm details and schedule an in-home assessment when needed.