Air Conditioner Repair in Toronto, ON

Cooling that quits in a heat warning needs fixing today, not next week. We diagnose the fault, price it before we start, and have looked after Toronto homes since 1991.

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Lennox Heat Pump EL21KLV
air conditioner repair Toronto

A Repair Company Toronto Homeowners Can Rely On

A broken air conditioner is not something you want to negotiate over. You want a technician who arrives when promised, finds what has actually failed, and tells you the cost before anything is opened up. That is how we have run AC repair in Toronto for more than thirty years.

Our technicians are factory trained, and we are TSSA registered, HRAI registered, gas and air conditioning licensed, insured and bonded. Where a repair is no longer the sensible choice we say so plainly, and we handle air conditioner installation in Toronto as well, so you are not left chasing a second company.

Common AC Faults and What They Usually Mean

Most calls we take are one of the faults below. Telling us which sounds like your system means the right part is usually already on the van when the technician arrives.

Symptom What it usually is What we typically do Fixed same visit
Runs constantly, air is not cold Low refrigerant, a weakening compressor or a blocked condenser coil. Measure pressures and the temperature split, inspect and clean the coil, then locate any leak. Usually
Nothing happens at all A failed capacitor, a burnt contactor or a tripped safety switch. Test the electrical components under load and replace the failed part. Yes
Ice on the pipework or coil Restricted airflow, a dirty filter or a refrigerant shortage. Confirm airflow at the returns, check the charge, and correct the cause rather than thawing it. Usually
Water pooling by the indoor unit A blocked condensate drain or a cracked drain pan. Clear the line, check the fall on the run, and replace the pan where it has split. Yes
New rattling, buzzing or grinding Fan motor, worn bearings or loose hardware. Trace the source, then replace the motor or refit the hardware properly. Usually
Switches on and off every few minutes Short cycling from a control fault or a sizing mismatch. Check the thermostat, controls and load before anyone suggests a whole new system. Varies

Our AC Repair Services in Toronto

Whether the system has stopped completely or is simply not keeping up, we cover the whole range of cooling repair work for Toronto homes.

Tool bag and refrigerant hoses on an outdoor air conditioner during an emergency AC repair in Toronto

Emergency AC Repair

When the cooling fails in a heat warning we prioritise the call, diagnose it on arrival and carry the parts that fail most often, so the majority of jobs finish in one visit.

Refrigerant gauges and a multimeter on a condenser unit during an air conditioner diagnostic in Toronto

Diagnostics and Tune-Ups

A full system test that finds the small faults before they become the emergency call. We check pressures, electrical parts, drainage and airflow, then tell you exactly where the system stands.

Technician discussing repair or replace options with a homeowner beside a Toronto air conditioner

Repair or Replace Advice

Where a unit is near the end of its life you get both figures and a straight recommendation. If a repair buys you several good seasons we will say so rather than sell you a system.

Toronto's Top-Rated Air Conditioner Repair Company

A great deal of our Toronto work arrives by word of mouth, and that is the part of the business we are proudest of. Homeowners tell us the same things repeatedly: the technician came when we said, explained the fault in language that made sense, and charged exactly what was quoted.

Several hundred five star ratings sit across our Google, HomeStars and Lennox profiles, and the Better Business Bureau has us at A plus without a single complaint on file.

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vesna svilanovic
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I am very happy with the service I received from Cozy World. My inquiry was responded to very quickly by the reception and Fred came to my house twice. First to look at my set up and again to answer a few more questions before I asked them to go ahead with the purchase and installation. He helped me determine what would be the best solution for my house. The installers (Said and his helper) were friendly, thorough and answered all my questions and gave me advice for the future.
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Julia Y
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I can’t say enough good things about Cozy World! Fast, reliable, and polite professionals. If you have any problems with furnace, A/C - Cozy World is the best place to call for help.
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Lori Andrew
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This was our first time working with Cozy World and would definitely recommend them. The pricing was very reasonable and they were able to schedule a rush replacement for our old furnace that died. Saeed did a fantastic job on the installation - very knowledgeable and professional.
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k oc
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Cosy World dealt w our furnace problem in a timely, efficient and effective manner where other companies had failed. I fully recommend the excellent service and support provided by Farhad and Saaed at Cosy World! Excellent job guys!!
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Lindsey Burns
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Cozy World replaced our furnace and hot water heater and did an excellent job. Their quote was the best price we got, and the customer service was also excellent. Both the owner and the lead installer were very helpful and responsive.
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Mike K
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I have used Cozy World Inc for the last few years for both service for a furnace not heating and for several installation (tankless water heater, new furnace and new AC). They have been very responsive, have fair pricing and go above and beyond to provide the best service. I would highly recommend them for your HVAC needs.
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Adriana Pietropaolo
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This was our first time working with Cozy World and I will definitely be a repeat customer again. They had done previous work at my parents place and for my sister, who both gave rave review. Boris was our first contact who sent his team on the same day to fix our furnace. Sayid was on-site and was kind, respectful and communicative about the work that needed to be done, not to mention timely. I felt like I was in good hands with this entire team, and highly recommend them.
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Steve Pachov
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Cozy world provided us with great service to replace a 13-year-old natural gas tank water heater that had stopped working. Fred was a pleasure to deal with from my initial call to the final installation. He suggested we go with a high efficiency tankless Rinnai unit that save on gas and takes up less space in the furnace room. His installers showed up as promised next day and completed the job quickly. I would recommend Cozy World Inc. for any of your HVAC need and I would not hesitate to contact them in the future. Great Service.
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Kalyan Arety
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I had a 17 year old furnace that broke down in the middle of winter. Cozy world team made the quote to purchase and installation a seamless experience. The installation process was a breeze and was done in 2 hours time without any hiccups and surprise costs that other vendors hold. Big shout out to Cecilia and Farhad (Aka Fred) for quick response and providing the right guidance on the installation, warranty and support concerns.
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Alison Luck
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Fred, Cosy World, was extremely helpful and answered any questions and addressed concerns about the products (furnace/AC/tankless water heater), installation and maintenance.
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Why Toronto Homeowners Choose Us for Air Conditioner Repair

Plenty of companies will send someone out in July. These are the five reasons people across Toronto call us back the next year and pass our name to their neighbours.

Here Since 1991

More than three decades repairing cooling systems across the city. That is a long time to stay in business on repeat work and referrals.

Licensed, Registered and Insured

TSSA registered as a heating contractor, HRAI registered, gas and air conditioning licensed, fully insured and bonded. Every one of those is open to verification.

Honest, Upfront Pricing

We quote after the diagnosis and before the work. The figure we agree is the figure you pay, with nothing added at the door.

Factory-Trained Technicians

Our people are trained on the equipment they open up, which is why most faults are found and repaired in a single appointment.

A Local Office, Not a Call Centre

Our Toronto office covers the city, so the person who books your visit and the technician who arrives work for the same company.

cozy world hvac contractor

Our AC Repair Process

We make air conditioner repair in Toronto straightforward from the first phone call. Six steps, followed the same way every time, so you always know what is happening and what it will cost.

  • Listen to What the System Is Doing

    We ask what you are seeing and hearing, how old the unit is, and when it started. That conversation often tells us which part to bring before we set off.

  • Diagnose the Whole System

    We check refrigerant pressures, test the electrical components, read the temperature split across the coil, inspect the condensate path and confirm airflow at the returns.

  • Explain the Fault in Plain Language

    You are told what failed and why, without jargon. If a second component is close to the end of its life you hear about it now rather than in August.

  • Quote the Repair Before We Start

    A fixed price for the work, and where it is a genuinely close call, the cost of replacing the system alongside it. You decide, and the agreed figure is final.

  • Carry Out the Repair

    Parts fitted, refrigerant corrected where needed, everything reassembled properly. Common components travel on the van so most jobs finish the same day.

  • Test It and Leave the Site Clean

    We run the system under load and confirm the readings before packing up, then tidy the work area and confirm what was done and what it is covered by.

Air Conditioner Repair Questions & Answers

How quickly can you get to me?

How much does AC repair in Toronto cost?

Should I repair my air conditioner or replace it?

Do you repair systems you did not install?

Can you repair ductless mini splits?

What if my air conditioner is still under warranty?

Do you offer a warranty on the repair?

Is it worth servicing the system after a repair?

Cozy World Toronto - Air Conditioner Repair Service Areas

Toronto housing gives our technicians a particular set of problems and we know them well. Across the older neighbourhoods most homes were built for boilers and had cooling added later, so the ductwork is retrofitted and the condenser often sits in a rear laneway or on a flat roof where clearance is tight. Downtown is different again, where many suites cool through a fan coil fed by the building rather than an outdoor unit of their own.

We cover the whole city from our Toronto office, alongside our wider HVAC services in Toronto.

  • The Annex
  • The Beaches
  • Cabbagetown
  • Corktown
  • High Park
  • Leslieville
  • Little Italy
  • Parkdale
  • Riverdale
  • Roncesvalles
  • Yorkville
Found us by Googling "AC Repair Near Me"? Chances are we serve your area. Give us a call at (416) 635-1000.

Get Reliable Toronto AC Repair Today

Tell us what your air conditioner is doing and we will book the visit, diagnose it properly, and give you a fixed price before any work begins.

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