When the heat rises and your AC fails, there’s no time to waste. At Lambton Heating and Cooling (ClimateCare), we specialize in fast, professional AC repair in Sarnia, Corunna, Bright’s Grove, Petrolia, and surrounding Lambton County. Whether your system is blowing warm air, making strange noises, or not turning on at all, we’ve got you covered with trusted service backed by decades of experience.
We’re not here to sell you a new unit unless you need one — we’re here to fix your cooling system the first time.
Top Signs You Need Air Conditioner Repair
It’s easy to overlook minor issues with your air conditioning system, but early intervention can prevent bigger, more expensive problems. Here are some of the most common signs that it’s time to call for air conditioner repair in Sarnia:
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Your AC is blowing warm or weak airflow
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Sudden increases in your hydro bill
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Leaking water around your indoor unit
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High indoor humidity levels
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Strange smells or loud grinding, rattling, or buzzing noises
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The system short cycles or won’t turn off
Carrier outlines 5 clear signs it’s time for AC repair — if you’re experiencing any of them, don’t wait. A quick fix now can save you from a full breakdown later.
If your unit is showing any of these symptoms, Lambton Heating and Cooling offers same-day AC repairs whenever possible and always prioritizes your comfort and safety.
Our AC Repair Process
When you call us for AC repair, here’s what you can expect:
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Prompt Scheduling – We respond quickly and work around your availability.
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Expert Diagnosis – Our certified technicians assess your system and identify the issue.
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Honest Solutions – We give you upfront options, explain the issue in plain language, and only recommend repairs you actually need.
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On-the-Spot Fixes – Our service vehicles are stocked to handle most repairs during the first visit.
We repair all makes and models of central air conditioning systems, from Lennox and Carrier to Trane, Goodman, and more.
How Much Does AC Repair Cost in Ontario?
The cost of air conditioner repair in Ontario varies depending on the part that needs replacement, your system’s age, and how urgent the call is. Most repairs fall between $150–$600, but older or neglected systems may require additional labour or replacement parts.
Not sure whether to repair or replace your cooling system? This helpful guide from Trane explains when it’s time to consider a new unit — especially if your AC is nearing the end of its lifespan.
Prevent Future Breakdowns With Regular Maintenance
Annual AC maintenance is one of the best ways to avoid emergency repairs. Our technicians can clean and inspect your unit to keep it running efficiently all summer long. Maintenance also helps lower your energy bills and extends the lifespan of your air conditioner.
Ask about our ClimateCare membership plans, which include priority service, discounts on repairs, and an annual tune-up.
Why Choose Lambton Heating and Cooling?
We’re proud to be a trusted name in Sarnia for AC repair and HVAC services since 1969. Here’s why homeowners choose us:
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Friendly, licensed local technicians
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Same-day emergency AC repair available
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Transparent pricing with no pushy sales tactics
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Service for all makes and models
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Backed by the ClimateCare guarantee
We’re your neighbours — not a franchise or call centre. That means better service, better care, and better value.
Frequently Asked Questions About AC Repair in Sarnia
How long do AC repairs take?
Most repairs take 1–2 hours if parts are in stock and the issue is clearly identified.
Can I fix my AC myself?
DIY fixes can be dangerous and may void your warranty. It’s always best to call a licensed technician.
Is it worth fixing an old AC unit?
If your unit is over 10 years old and the repair cost is more than 50% of the price of a new system, replacement is usually the better option.
📞 Call us today: 519-344-5521
📲 Text us: 226-210-3478
🔗 www.lambtonclimatecare.com
📧 contact@lambtonclimatecare.com
