London AC Repair Experts | Same-Day Air Conditioner Repairs

When your air conditioner stops working, you need fast, reliable service—especially during those sweltering summer days. At KMC Heating and Cooling, we provide professional AC repair in London with same-day service, transparent pricing, and expert technicians you can trust.

Whether it’s strange noises, weak airflow, or no cooling at all, our certified team is ready to diagnose the issue and restore comfort in your home—quickly and efficiently. We service all makes and models and pride ourselves on getting it right the first time.

Dependable Air Conditioner Repairs in London

A malfunctioning AC can disrupt your entire day. That’s why our London AC repair specialists are committed to prompt response times and high-quality workmanship. From simple fixes to complex repairs, we’ll get your cooling system back on track—so you can relax in comfort.

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Signs You Need AC Repair

No Heat

Your furnace is blowing cold air or not maintaining the set temperature.

Unusual Noises

Limited or weak airflow coming from the vents, even at full blast.

Frequent Cycling

The system turns on and off frequently or struggles to stay on.

Burning or Gas Odours

A strong smell of gas or burning dust is coming from the vents or the unit.

Weak Airflow

Little or no airflow from your vents, even when the furnace is on.

Yellow Pilot Light

A yellow instead of blue flame may indicate a ventilation or gas problem.

Increased Energy Bills

Higher heating costs without any change in thermostat settings.

Thermostat Not Responding

The furnace doesn’t react to thermostat changes or cycle unpredictably.

Book Your AC Repair in London Today

At KMC Heating and Cooling, your comfort is our priority. Whether it’s a minor issue or a full breakdown, we’re here to help with professional AC repairs in London—done right, on time, and at a fair price.

 

Get 10% off your first service call
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Our Air Conditioner Repair Process

At KMC Heating & Cooling, we follow a thorough and transparent process to ensure that every AC repair is completed to the highest standards:

  1. Diagnosis: We begin with a full inspection of your system to identify the root cause of the issue. This includes checking electrical connections, gas flow, venting, and other critical components.
  2. Estimate: Once we pinpoint the issue, we provide a detailed, upfront quote outlining the repair costs. No hidden fees or surprise charges.
  3. Repair: Our licensed HVAC technicians use high-quality replacement parts and industry best practices to repair your air conditioner efficiently.
  4. Testing: We thoroughly test the system to ensure it’s running smoothly and delivering consistent performance every time.
  5. Advice: After the repair, we offer tips and advice on how to maintain your air conditioner for long-term performance.

Why Choose KMC Heating and Cooling for AC Repairs in London?

Same-Day Service: We’ll be there when you need us—fast.Licensed Technicians: Fully certified and trained for all AC systems. Upfront Pricing: No hidden fees or surprise costs—ever.Customer Satisfaction: Rated 5 stars by homeowners across London and nearby areas. Locally Trusted: Serving London, Ontario and surrounding communities with pride.

Frequently Asked Questions (FAQs)

Most repairs are completed within 1–2 hours, depending on the complexity of the issue. Our technicians carry common parts and diagnostic tools to ensure quick turnaround times whenever possible.

It depends on the age and condition of your unit. If it’s under 10 years old and the repair is minor, fixing it is usually more economical. However, for older systems with frequent breakdowns, replacement might be more cost-effective in the long run. Our team will guide you with honest advice tailored to your situation.

Yes, we stand behind our work with a satisfaction guarantee and warranties on both labour and replacement parts. You can trust that your investment is protected when you choose KMC Heating & Cooling.

An air conditioner may stop working due to dirty filters, low refrigerant, electrical issues, thermostat problems, or a failed component like the compressor or motor. It’s best to have a professional check the system to quickly identify and fix the issue.

It’s not recommended. AC involve gas lines, electrical systems, and precision components that should only be handled by certified professionals to ensure safety and avoid further damage.

The best way to prevent breakdowns is to schedule regular maintenance, including descaling and flushing, inspecting all system components, and replacing filters as needed. Preventative care can extend the lifespan of your system and ensure optimal performance year-round.

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