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Air Conditioning Repair in London

Is your air conditioner blowing warm air, making strange sounds, or not turning on at all? Don’t let the heat get the better of you. At M&K Heating and Air Conditioning, we offer 24/7 emergency air conditioning repair in London, including weekends and holidays. Our skilled technicians arrive fast, find the issue, and fix it efficiently so you can enjoy a cool and comfortable home again. Book your air conditioning repair today, and we’ll handle the rest.

M&K HVAC specialist performing furnace repair on a heating sy

Why Choose M&K Heating and Air Conditioning for Your Air Conditioning Repair?

We’re On Our Way!

Fast, dependable, and always nearby—our local technicians are ready to respond every day of the year. With no third-party contractors or long delays, we offer same-day air conditioning service in your area, 7 days a week. Stay cool and comfortable with M&K Heating and Air Conditioning—no waiting necessary.

Repairs That Last, Not Just Quick Fixes

Many companies offer quick patches that don’t last. At M&K Heating and Air Conditioning, we focus on correcting the root of the issue. Our certified technicians take time to fully inspect your system, giving you long-term results that reduce repeat problems. Fewer return visits mean more savings and peace of mind.

Reliable Local Experts with Decades of Experience

We’ve been providing expert air conditioning repair in London since 1983. Our experienced, fully certified team knows residential cooling systems from top to bottom and brings deep knowledge of local home needs to every job. When your AC system needs attention, we’re ready to respond with precision.

Customer-First Service with a Satisfaction Guarantee

We believe air conditioning service should be straightforward and supportive. That’s why we focus on open communication, respectful interactions, and informed advice so you can feel confident about every repair. We also stand behind our work with a 100% satisfaction guarantee—so it’s done right, the first time.

Is your AC underperforming, making noise, or driving up energy bills? M&K Heating and Air Conditioning offers professional air conditioning service 24/7, including holidays. Book your repair now and enjoy fast, lasting comfort!

Our Air Conditioning Repair Process

Step 1: Full System Inspection

We begin with a complete check of your air conditioning system—including refrigerant levels, compressor, condenser, evaporator coils, and wiring. This approach helps us identify the exact issue and spot any developing problems early to deliver more efficient repairs.

Step 2: Advanced Diagnostic Testing

Our technicians use industry-grade tools to detect motor issues, thermostat malfunctions, refrigerant leaks, and electrical failures. This ensures the issue is fixed at its source, delivering accurate and reliable air conditioning service from start to finish.

Step 3: Upfront Repair Recommendations

Once we know what’s wrong, we’ll explain the issue clearly, go over your repair options, and provide an upfront price before we begin. No confusing terms or surprise costs—just straightforward information you can count on.

Step 4: Reliable Parts Replacement

If a part needs replacing, we use high-quality components like fan motors, capacitors, and thermostats to restore performance. Our service vans carry a wide selection of parts, so most air conditioning repairs are completed in one visit—no unnecessary delays.

Step 5: System Cleaning & Efficiency Boost

Efficiency matters. That’s why we clean essential components like condenser coils, drain lines, and filters to boost cooling power and improve energy savings. This added step helps your system run better and reduces the chance of future breakdowns.

Step 6: Final Testing & Optimization

Before we wrap up, we test your system’s cooling, airflow, and full operation. If any fine-tuning is needed, we make adjustments to ensure consistent performance. You’re left with a fully optimized system and a more comfortable home.

Common Air Conditioning Problems

Even a well-maintained system can run into trouble over time. Here are a few common problems that require expert air conditioning repair:

AC Running but Not Cooling

  • Refrigerant Leak: Low refrigerant reduces your system’s ability to absorb heat.
  • Thermostat Malfunction: A broken thermostat may not tell your AC when to cool properly.
  • Blocked Condenser Coils: When coils are coated in dirt and debris, heat can’t escape efficiently.

AC Won’t Turn On

  • Faulty Capacitor: When capacitors fail, they often cause clicking sounds and prevent startup.
  • Electrical Failure: Faulty wiring, broken relays, or power disruptions can stop the unit from turning on.
  • Tripped Breaker or Blown Fuse: A surge or overload may trip your circuit breaker or blow a fuse.

Strange Noises or Leaks

  • Buzzing or Rattling Sounds: These sounds may signal loose connections or worn electrical parts.
  • Hissing Sound: Often a sign of a refrigerant leak or escaping gas from a pressure valve.
  • Water Pooling Around the Unit: A blocked drain can cause water to collect, which may lead to leaks or damage.

If your system shows any of these issues, M&K Heating and Air Conditioning is ready to help. Our certified technicians will identify the problem fast and provide repair solutions with clear pricing to get your AC back in top shape.

Frequently Asked Questions About Air Conditioning Repair

Dealing with AC problems? M&K Heating and Air Conditioning delivers fast, reliable air conditioning repair in London, and is available 24/7 for emergency service. Book your appointment today and enjoy cool comfort again—no stress, no surprises.

How Often Should I Have My Air Conditioner Serviced?

Air conditioners should be serviced annually—ideally in spring before hot weather hits. A yearly service helps catch issues early and keeps your system working efficiently. Our technicians will check refrigerant, clean coils, and test electrical parts to help extend your unit’s life.

How Much Does It Cost to Fix an Air Conditioner That Is Not Cooling?

Repair costs depend on the issue. Some fixes, like dirty coils or a failing thermostat, are simple, while others, like a refrigerant leak, may require more work. We always perform diagnostics first to give you a clear cost estimate before beginning repairs.

How Many Years Does an Air Conditioner Last?

Most AC systems last 10 to 15 years. Portable or window units may only last 8 to 10 years. With proper maintenance and prompt repairs, you can often extend your system’s efficiency for up to 20 years.

When Should I Replace My AC?

If your system is 10–15 years old, breaks down often, or uses too much energy, it might be more cost-effective to replace it. When repairs start adding up to nearly half the cost of a new unit, a replacement may offer better long-term savings. M&K Heating and Air Conditioning can evaluate your current system and help you make the right choice for your home and budget.