10 Signs You Need to Book AC Repair Services. Don’t Wait Until It Breaks
Air conditioners may show warning signs before a failure, although some equipment problems can occur suddenly or with little warning. If your AC stops working
24/7 Emergency AC Repair Service
Genuine OEM Replacement Parts
Up-Front Pricing - No Hidden Fees
Same-Day Diagnostics & Fix
LG Home Comfort diagnoses and repairs common AC problems, from poor cooling and airflow issues to leaks and system breakdowns. Our technicians explain the problem and recommended repair before completing the work. Many common AC repairs can be completed the same day with parts carried on our service trucks.
AC is running but not cooling
Warm air coming from vents
AC Not Turning On or Off
Unusual noises during operation
Weak airflow or uneven cooling
Error codes or warning indicators
Licensed professionals trained to diagnose and repair residential air conditioning systems.
Technicians respond within 24 hours to address AC repair requests.
Support when cooling stops unexpectedly during hot weather.
Issues and repair steps are explained before work begins.
Repairs completed according to applicable warranty terms and manufacturer guidelines.
Verified Customer
Verified Customer
Verified Customer
When your AC fails, every minute feels hotter. A broken system doesn’t wait for the right time, and neither do we. Quick, reliable repair is what keeps your home cool and your family comfortable.
At LG Home Comfort, we take the worry out of emergency breakdowns and urgent fixes. Serving Mississauga, Oakville, Brampton, Guelph, and nearby communities, our expert technicians repair all makes and models-restoring cool, dependable air in just one visit.
Yes, LG Home Comfort offers emergency AC repair. Emergency service is intended for urgent issues that affect comfort during hot weather. Availability depends on scheduling and service demand at the time. Homeowners are encouraged to contact customer support as soon as an issue occurs so the situation can be reviewed and the fastest available service option can be arranged.
Most AC repairs are completed within one to three hours, depending on the type of issue and part availability. Simple problems are often resolved quickly, while more involved repairs may require additional time.
Once the system is inspected, technicians explain the issue and confirm the expected repair duration before work begins, so homeowners know what to expect
AC repair costs can vary depending on the issue and the parts involved. For air conditioners purchased from LG Home Comfort, most repairs are covered at no cost during the parts and warranty period, which may include parts and service depending on the system and coverage terms. This helps reduce unexpected repair expenses.
Air conditioners may show warning signs before a failure, although some equipment problems can occur suddenly or with little warning. If your AC stops working
Short cycling occurs when your AC repeatedly turns on and off after just a few minutes. This operating pattern puts excessive wear on the compressor
Professional central air conditioner installation in Ontario generally costs between $4,000 and $9,000, while a single-zone ductless mini-split typically costs between $2,300 and $4,500 with
Always available when you need us
Serving local communities
2800+ Reviews
No queues. No hold music. Submit your details and our team will reach out shortly to discuss your home comfort needs.
An advisor is preparing your callback. We'll dial you in:
Your phone — should be ringing.
We're opening your phone so you can speak directly with the right team.
Thanks for contacting LG Home Comfort! One of our Home Comfort Advisors will be in touch with you shortly during our business hours. Mon–Fri: 8 AM–9 PM | Sat–Sun: 9 AM–7 PM