Heating and Cooling Services in Mississauga
Olu HVAC Mississauga provides residential and commercial heating, cooling, water heater, indoor air quality, ductwork, gas line, and 24-hour emergency HVAC service across Mississauga and the GTA.
Furnace & Heating
Furnace Repair
Fast diagnosis and reliable repair for all furnace makes and models. We restore your heat quickly and reliably.
24hrEmergency Furnace Repair
No heat, short cycling, ignition problems, or urgent furnace shutdowns handled by a team open 24 hours.
Furnace Installation
High-efficiency furnace installs sized right for your home. Quiet, lasting comfort built to last.
Year-RoundHeat Pump Installation
One system for heating and cooling year-round. Energy-efficient, lower bills, consistent comfort every season.
Radiant HeatBoiler Repair & Service
Expert boiler repair and maintenance for consistent radiant heat and reliable hot water throughout your home.
Boiler Installation
Professional boiler installation delivering steady, energy-efficient radiant heat and dependable hot water.
24hr
Gas Line Repair
Safe, code-compliant gas line repairs to restore proper flow, prevent leaks, and keep appliances running reliably.
Safety
Gas Leak Detection
Expert gas leak detection and repair to protect your home, prevent hazards, and ensure your gas system operates safely.
Smart Home
Thermostat Install
Thermostat installation to improve temperature control, reduce energy waste, and add smart home convenience.
Air Conditioning
AC Repair
Fast diagnostics and repairs that restore cooling, improve efficiency, and stop breakdowns before they worsen.
AC Installation
Properly sized energy-efficient AC systems installed by the OLU HVAC team. Better comfort and cleaner system operation.
Zone ControlDuctless Mini Split
Modern ductless systems for precise zone control and lower energy use. Perfect for additions and older homes.
Improved Airflow
Ductwork
Duct installation, sealing, and repairs that improve airflow, reduce energy loss, and boost system efficiency.
24hr
Emergency AC Repair
AC fails on the hottest day? We're on call 24 hours to restore your cooling as fast as possible.
Zone ControlDuctless AC Repair & Service
Professional ductless AC repair and service maintaining reliable zone-controlled cooling so every room stays comfortable.
Year-RoundHeat Pump Installation & Repair
Year-round heating and cooling in one efficient system — lower energy costs and consistent comfort every season.
Water Heater Services
Tank Water Heater Repair
Fast, reliable repair for traditional tank water heaters. We restore your hot water quickly when we can.
Tank Water Heater Install
Dependable new tank water heater installation built for long-term reliability and efficiency.
Endless Hot WaterTankless Water Heater Install
On-demand hot water, space-saving design, and lower utility costs — the modern upgrade for any home.
Fast RepairTankless Water Heater Repair
Restore continuous hot water performance and efficiency with expert tankless system repairs.
24hr
Emergency Water Heater
No hot water? We're available 24 hours for emergency repairs across Mississauga and the GTA.
Air Quality Services
Whole HomeAir Humidifier Install
Whole-home humidifier installation to balance moisture levels and protect your home during dry seasons.
Clean AirAir Purifier Install
Remove pollutants, odours, and bacteria for healthier air circulating throughout your home year-round.
HEPA FiltrationHEPA Filter Install
Capture fine particles, dust, and allergens with HEPA filtration — cleaner air every day.
Deep CleanDuct Cleaning
Professional duct cleaning removes dust, debris, and allergens — noticeably better air quality and airflow.
Kills BacteriaUV Light Install
UV light inside your HVAC neutralizes airborne bacteria, mould, and viruses at the source.
HVAC Maintenance
Fall ReadyAnnual Furnace Tune-Up
Complete furnace inspection, cleaning, and optimization before heating season. Keeps your system safe and efficient.
Summer ReadyAnnual AC Tune-Up
Full AC service before summer — clean coils, check refrigerant, test all components for peak performance.
Full SystemFull System Inspection
Thorough inspection of your complete HVAC system — catch issues early, ensure safety, avoid surprise repairs.
Commercial Services
RTURooftop Unit Repair
Commercial rooftop unit diagnostics for no heat, no cooling, weak airflow, filters, belts, controls, and shutdowns.
CommercialCommercial Heating
Installation, repair, and maintenance of commercial heating systems for businesses of any size across the GTA.
CommercialCommercial Cooling
Commercial AC installation and repair to keep your workspace comfortable and productive year-round.
24hrCommercial Emergency
24hr emergency HVAC service for commercial properties — fast response, minimal business downtime.
Areas We Serve Across Toronto & The GTA
Proudly serving Mississauga and surrounding cities with quality furnace, AC & water heater services you can depend on.
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