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Call SM HVAC any hour for heating or cooling emergencies in Ottawa.
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24/7 Emergency
24/7 Emergency HVAC in Ottawa
Why SM HVAC
24/7 Emergency Heating and Cooling in Ottawa
Heating or cooling emergency? SM HVAC answers around the clock. When your furnace, AC, or boiler fails in an Ottawa cold snap or heat wave, our licensed technicians respond fast, diagnose the fault, and restore comfort with upfront pricing.
Available 24/7
We answer around the clock and respond fast in an emergency.
Fast Response
Licensed technicians diagnose the fault and explain your options.
Licensed Technicians
You get clear pricing even on urgent, after hours calls.
Furnace, AC and Boiler
What Our Emergency Service Covers
- No heat furnace and boiler failures
- No cooling AC breakdowns
- Ignitor and flame sensor faults
- After hours urgent diagnostics
- Gas and safety concerns
- Thermostat and control failures
- Frozen and overheating systems
- Rapid parts and repair
Call Any Hour
We respond fast when your heating or cooling fails.
Fast Arrival
Licensed technicians diagnose urgent HVAC issues safely.
Urgent Diagnosis
Clear emergency repair pricing before any work begins.
Comfort Restored
Call SM HVAC any hour for urgent service in Ottawa.
34 +
YEARS SERVING OTTAWA
Why Choose Us
Ottawa Homeowners Trust SM HVAC
TSSA Licensed
Fully licensed for gas work across Ottawa and the surrounding area.
Fully Insured
Complete coverage for every job, so you are always protected.
24/7 Emergency
Round the clock service when your heat goes out unexpectedly.
5 Star Rated
Trusted by Ottawa homeowners with dozens of 5 star reviews.
Our Process
How Our Emergency Service Works
01
02
Rapid Response
A licensed technician heads to your home fast.
03
Diagnose
We find the fault quickly and explain your options.
04
Restore Comfort
We repair the issue and get your home comfortable again.
More From SM HVAC
Explore All Our HVAC Services
Furnace Repair
Fast, licensed furnace repair across Ottawa.
Furnace Installation
High efficiency furnace installs and replacements.
AC Repair
Get your air conditioner cooling again.
AC Installation
Central air conditioning install and replacement.
Heat Pumps
Efficient heating and cooling year round.
Boiler Services
Hydronic and radiant heating experts.
Ductless Mini Splits
Zoned comfort for any room in your home.
Ductwork & Ventilation
Better airflow, comfort and air quality.
Water Heaters
Tank and tankless water heater service.
Gas Line Services
Licensed, safe gas line install and repair.
Emergency HVAC
24/7 emergency heating and cooling help.
Maintenance Plans
Seasonal tune ups to protect your system.
HERE WHEN YOU NEED US
Let’s Get You Comfortable.
Tell us what is happening with your furnace, air conditioner, heat pump, boiler or gas system. We’ll review your message and help you choose the right next step.
TSSA CERTIFIED
5.0 TOP RATED IN OTTAWA
5.0 TOP RATED IN OTTAWA
Get In Touch
Contact Us
"Amazing! Another HVAC guy had told me I’d have to scrap my AC unit. Sebastien was able to fix it…"
Mathieu Lacroix
Nepean, ON
CLIENT REVIEWS
Real Reviews From Local Customers.
Read what local homeowners say about our communication, responsiveness and heating and cooling service.
SM HVAC Inc is your local TSSA-licensed HVAC contractor in Ottawa, specializing in furnace repair, air conditioning service, heat pumps, boilers, gas lines, system maintenance, new installations, and 24/7 emergency heating and cooling repairs.
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All Rights Reserved.
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Copyright © 2026 S.M HVAC Inc. All Rights Reserved.
