No heat
Winter no-heat calls need ignition, blower, thermostat, gas, venting, and safety checks.
No heat or AC in an emergency? We respond 24 hours a day, 7 days a week. Our emergency technicians arrive fast with fully stocked trucks to get your system running.
Mississauga-based HVAC service with clear communication before work begins.
No hidden fees or surprises. You approve the price before we start any work.
Call (437) 999-4242 any time. We answer outside business hours.
If something needs review after the visit, contact OLU HVAC and the team will explain the next step.
Fill out the form and we'll get back to you within 24 hours. Or call us directly for immediate help.
No obligation. We'll call you within 24 hours.
Service Details
Emergency HVAC calls need fast triage: what stopped working, whether there is a safety issue, what equipment is affected, and whether the home or business has no heat, no cooling, or no hot water.
Winter no-heat calls need ignition, blower, thermostat, gas, venting, and safety checks.
Extreme heat and no-cooling calls can involve outdoor unit, airflow, thermostat, electrical, or refrigerant indicators.
Tank and tankless water heater failures can be urgent when there is leaking or no hot water.
Gas smells, burning smells, water leaks, and carbon monoxide alarms need immediate action.
Inspection Focus
Process
We start with the symptoms, equipment type, location, access notes, and how urgent the issue is.
The technician checks the parts of the system that can actually cause the problem before quoting work.
You get a practical repair, maintenance, or replacement recommendation before approved work begins.
Real answers to questions Mississauga and GTA customers ask us most.
Yes. Olu HVAC Mississauga is open 24 hours. Call (437) 999-4242 any time.
Response time depends on location and current dispatch. We work to reach Mississauga and GTA emergency calls as quickly as possible.
Pricing reflects the time and the work. We give upfront pricing before any work begins.
No heat in winter, no AC in extreme heat, gas smell (call your gas utility first), water leaks from heating equipment, or any safety concern.
Olu HVAC Mississauga is open 24 hours. Call us, email us, or send a message.