Licensed & Insured HVAC professionals serving the Greater Toronto Area with quality heating and cooling solutions. 24/7 emergency service available.
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895 Don Mills Rd., Toronto, ON
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When your air conditioner stops working in the middle of a Toronto summer, you need a repair team that shows up fast and fixes it right. Imperial Heating provides same-day air conditioner repair across Toronto, Scarborough, North York, Vaughan, Whitby, Pickering, and the entire GTA with upfront pricing and licensed technicians.
Same-day service available
“I had a great experience working with Andrew at Imperial Heating and Cooling for an AC…” — Rahul Mathuria
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+ moreAir conditioning problems rarely fix themselves. Ignoring early warning signs usually leads to more expensive repairs or a complete system breakdown when you need cooling the most. Call Imperial Heating if you notice any of these issues:
AC running but not cooling: The system turns on but blows warm or lukewarm air through the vents.
Strange noises from the unit: Grinding, squealing, banging, or rattling sounds indicate mechanical problems.
Water leaking around the indoor unit: A clogged drain line or frozen coil can cause water to pool around the unit.
Ice forming on refrigerant lines or coils: Frozen coils block heat transfer and can damage the compressor.
Short cycling or frequent on/off: The system starts and stops repeatedly without reaching the set temperature.
Unusual odours from the vents: Musty or burning smells may indicate mould growth or electrical issues.
Our licensed technicians diagnose and fix all types of air conditioning issues. Here are the most common problems we see in Toronto homes.
The compressor is the heart of your AC system. When it fails, the unit cannot circulate refrigerant or produce cold air. Compressor issues often present as the outdoor unit running but no cool air reaching your vents.
Low refrigerant levels caused by leaks reduce cooling capacity and force the system to work harder. Signs include warm air from vents, ice forming on refrigerant lines, and higher electricity bills. Our technicians locate and seal leaks before recharging.
A failing capacitor prevents the compressor or fan motor from starting. You may hear a clicking or humming sound without the unit turning on. Fan motor failures cause poor airflow and overheating, which can damage other components if left unaddressed.
Restricted airflow from dirty filters, low refrigerant, or a malfunctioning blower causes the evaporator coil to freeze. The ice blocks heat exchange and your AC blows warm air or stops working entirely.
A faulty thermostat can cause short-cycling, inaccurate temperature readings, or the system failing to turn on at all. We diagnose whether the issue is the thermostat itself, the wiring, or the control board.
A clogged condensate drain line causes water to back up and leak around the indoor unit. Left unchecked, this leads to water damage, mould growth, and potential system shutdown from safety float switches.
When an AC is beyond economical repair, these are the high-efficiency replacements we install most. Every specification below is published by the manufacturer.
A dependable, efficient single-stage AC on the new R-454B refrigerant — the volume-seller upgrade for most Toronto homes.
ENERGY STAR® Certified
York's premium inverter AC — variable capacity for ultra-quiet operation, tight temperature control, and high efficiency.
ENERGY STAR® Certified
Trane's reliable two-stage workhorse with a Climatuff® compressor — steadier comfort and quieter cycles than single-stage.
Ductless wall-mount cooling for homes without ducts, additions, and hot rooms — inverter-driven, ultra-quiet, and remarkably efficient.
ENERGY STAR® Certified
Canadian-built two-stage cooling on the new R-454B refrigerant — strong efficiency and quiet operation at a fair price.
Payne's dependable, budget-friendly single-stage AC — straightforward cooling with ENERGY STAR efficiency.
ENERGY STAR® Certified
Kepler's value top-discharge AC with Omniguard corrosion protection — a budget-friendly Canadian option.
Not sure which system fits your home? We size every unit with a proper Manual J load calculation — no guesswork, no oversizing.
Specifications published by each manufacturer. Additional sizes, brands, and models available — ask us for the best match for your home.
Need service today?
24/7 emergency repairs — no overtime charges
Call us or fill out the form below. We offer same-day appointments for most AC repairs and 24/7 scheduling for emergency situations.
Our technician inspects the entire system: thermostat, electrical connections, refrigerant levels, airflow, condenser and evaporator coils, drain lines, and all mechanical components. We use professional diagnostic tools to pinpoint the exact issue.
Once we identify the problem, we explain what needs to be fixed and provide a clear, written quote before starting any repair. No hidden fees, no pressure. You approve the work before we proceed.
We complete the repair using quality OEM or equivalent parts, then run the system through a full test cycle to verify proper operation, correct temperatures, and adequate airflow before leaving your home.
Not every AC problem warrants a full replacement. However, there are situations where investing in a new air conditioner installation makes more financial sense than continuing to repair an aging system. Here is how we help you decide:
Our technicians will always give you an honest recommendation. If a repair extends the life of your system by several years, we will tell you. If replacement is the smarter long-term investment, we will explain why and provide options that fit your budget, including flexible financing plans and information on available government rebates.
A broken air conditioner during a Toronto heat wave is more than an inconvenience. It can be a health risk, especially for seniors, young children, and anyone with respiratory conditions. Our emergency repair team is available around the clock, including nights, weekends, and holidays.
Call (647) 852-2359 anytime for emergency AC service. Most emergency calls are attended within 2 hours in the Toronto area.
Call Now for Emergency ServiceEven if the problem seems minor, it is worth having a technician take a look. Small issues like a dirty filter or loose electrical connection can escalate into compressor failure or refrigerant leaks if left unchecked. Our diagnostic service identifies the root cause so you are not paying for guesswork.
Looking for cost information? Check our AC installation cost guide for Toronto or explore available rebates and financing options. Imperial Heating is your Toronto HVAC company for fast, reliable AC service across the city.
Get answers to common questions about air conditioning repair costs, timelines, and what to expect.
New air conditioner installation with expert sizing and configuration.
Zone-based cooling without ductwork for any room in your home.
View our complete range of air conditioning and cooling solutions.
24/7 emergency HVAC service with no overtime charges.
Government rebates for high-efficiency AC and heat pump upgrades.
Flexible payment options for repairs and new installations.
Call Imperial Heating at (647) 852-2359 or book your appointment online. Same-day service available across Toronto, Scarborough, Markham, and the entire GTA.
Same-day service available
