M & K Heating and Air Conditioning

M & K Heating and Air Conditioning London's trusted HVAC experts since 1983! NO emergency fees
heating + cooling
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M&K Heating and Air Conditioning is a trusted provider of high-quality home service solutions for homeowners in London, ON, and the surrounding areas. They specialize in comprehensive heating, cooling, air quality, plumbing, and electrical services tailored to meet the unique needs of their customers. Their certified technicians are dedicated to delivering exceptional service, from installation an

d maintenance to emergency repairs, ensuring optimal comfort and health in every home. With a commitment to customer satisfaction and energy efficiency, they provide reliable and innovative solutions that enhance your home. Trust M&K Heating and Air Conditioning for all your comfort needs. Book an appointment online at https://www.mkheatingandairconditioning.ca/contact-us/ or by phone at 226-210-0916.

Barely touched your thermostat this summer? Your AC still put in the hours.On every damp, grey day when your AC ran, it ...
08/11/2026

Barely touched your thermostat this summer? Your AC still put in the hours.

On every damp, grey day when your AC ran, it was also removing moisture from the air, and pulling moisture out of the air is some of the hardest work it does.

Here’s the catch: a wet summer can lead to algae buildup and clogs in the condensate drain, the line that carries that moisture away.

A musty smell or water pooling near your indoor unit can be a sign it’s time to call.

Give your system a quick look this weekend: check the filter and clear any rain-washed leaves or debris away from the outdoor unit. Then, book a maintenance visit before fall.

πŸ“ž Call (226) 781-7012 or visit https://www.mkheatingandairconditioning.ca/ to book your maintenance visit. You can also drop us a comment and we’ll be happy to help.

If your basement recently flooded, the water draining out doesn't mean the problem did.You've probably already taken car...
08/07/2026

If your basement recently flooded, the water draining out doesn't mean the problem did.

You've probably already taken care of the hard part: You pumped it out, hauled out the ruined furniture / appliances, ran the dehumidifier, aired it out. But the water is only the part you can see. The trouble that shows up weeks later is the part that catches most homeowners off guard.

Here's what to watch for over the next 30 days:

πŸ’§ Humidity that lingers. A basement can look dry and still hold a lot of moisture in the air. Rising indoor humidity is often the first sign something's still damp behind the scenes.

🦠 Mould settling in. Mould doesn't need standing water to grow, it needs dampness and time, and a recently flooded basement gives a bit of both.

🌬️ Contaminated air that travels. Your furnace and ductwork move air through your whole home. If moisture or mould gets into that system, it doesn't stay in the basement. It ends up in the air your family breathes upstairs.

πŸ”§ Equipment that took on water. If your furnace, water heater, or any of their gas and electrical parts sat in floodwater for any amount of time, they should be checked before you run them again, even if they seem fine right now.

If your basement recently flooded, give us a call. We'll look over your furnace, your plumbing, and your indoor air to let you know what's safe to turn back on and what needs your attention.

πŸ“ž (226) 781-7012
🌐 https://www.mkheatingandairconditioning.ca/

Happy Long Weekend! β˜€οΈWhether you're spending time with family, heading to the cottage, or relaxing at home, we hope you...
08/03/2026

Happy Long Weekend! β˜€οΈ

Whether you're spending time with family, heading to the cottage, or relaxing at home, we hope you have a safe and enjoyable long weekend!

If you need us, our team is here with 24/7 emergency service to help keep your home comfortable.

Enjoy the long weekend and stay safe!

πŸ“ž (226) 781-7012
🌐 https://www.mkheatingandairconditioning.ca/

07/31/2026

🏑 Does Your Home Have Kitec Plumbing?

If your home was built between 1995 and 2007, it may have Kitec plumbing. While it was once a popular choice, it can become more prone to leaks and water damage as it ages.

Learn how to identify Kitec plumbing, understand the risks, and find out what steps you can take to help protect your home.

πŸ”— https://www.mkheatingandairconditioning.ca/kitec-plumbing-in-london-what-homeowners-should-know/

πŸ“ž (226) 781-7012
🌐 https://www.mkheatingandairconditioning.ca/

Learn how to identify Kitec plumbing in London homes, why it can affect insurance and water damage risk, and when replacement may protect your property.

Thank you for your kind words and for trusting M & K Heating & Air Conditioning. We truly appreciate your support! ⭐⭐⭐⭐⭐
07/27/2026

Thank you for your kind words and for trusting M & K Heating & Air Conditioning. We truly appreciate your support! ⭐⭐⭐⭐⭐

End of July. The hottest stretch is usually behind us, but August doesn't always cooperate.How's your summer been so far...
07/25/2026

End of July. The hottest stretch is usually behind us, but August doesn't always cooperate.

How's your summer been so far? Has your AC kept up, or has it been a battle? Drop a comment πŸ‘‡

Our team is here for the back half of summer, repairs, upgrades, UV purifiers, smart thermostats, or just an honest opinion on whether your current system is going to make it through another season.

Give us a call anytime.

πŸ“ž (226) 781-7012
🌐 https://www.mkheatingandairconditioning.ca/

🌫️ If the air outside looks hazy today, wildfire smoke may be affecting the air quality in your area.While you can't con...
07/15/2026

🌫️ If the air outside looks hazy today, wildfire smoke may be affecting the air quality in your area.

While you can't control the air outside, you can take steps to help improve the air inside your home.

β€’ Keep windows and doors closed as much as possible.
β€’ Run your HVAC fan continuously to circulate and filter the air. πŸ’¨
β€’ Replace your air filter if it is dirty or overdue.
β€’ Consider a HEPA filtration system, if compatible with your HVAC system, to help capture fine airborne particles.
β€’ Ask about a UV Air Purifier, which works with your HVAC system to help improve your home's indoor air quality. ✨

πŸ’™ If you have questions about HEPA filtration, UV air purification, or other indoor air quality solutions, our team is here to help.

πŸ“ž Call (226) 781-7012 or visit:
🌐 https://www.mkheatingandairconditioning.ca/

More AC sounds we get calls about, and what they actually mean:πŸ”Ή Whistling from vents: ductwork leak or blocked ventπŸ”Ή Bu...
07/13/2026

More AC sounds we get calls about, and what they actually mean:

πŸ”Ή Whistling from vents: ductwork leak or blocked vent
πŸ”Ή Bubbling or gurgling: refrigerant issue or condensate drain backing up
πŸ”Ή Rattling outside: loose panel on the outdoor unit (often a quick fix)
πŸ”Ή Squealing on start-up: worn blower belt or motor bearings
πŸ”Ή Loud humming with no airflow: capacitor or motor failure

Quick rule: anything new, anything sudden, anything that gets louder = worth a phone call.

We'll diagnose it and give you a straight answer about what's going on.

πŸ“ž (226) 781-7012
🌐 https://www.mkheatingandairconditioning.ca/

Heading out of town this summer? Don't turn your AC all the way off.We know it feels like you'd save money, but here's w...
07/10/2026

Heading out of town this summer? Don't turn your AC all the way off.

We know it feels like you'd save money, but here's what actually happens:

πŸ”Ή Indoor humidity climbs fast in an empty house
πŸ”Ή Mould and mildew can develop in walls, carpets, and ductwork
πŸ”Ή Hardwood floors and furniture can warp
πŸ”Ή Your system has to work twice as hard to cool everything back down when you return

What to do instead: set the thermostat to 28Β°C while you're away. Warm enough to save energy. Cool enough to keep humidity in check.

A Wi-Fi thermostat makes this easier. Set it from the airport, check on it from your hotel.

πŸ“ž (226) 781-7012
🌐 https://www.mkheatingandairconditioning.ca/

Happy Canada Day!Today we're celebrating the people, families, friends, and furry companions that make Canada such a gre...
07/01/2026

Happy Canada Day!

Today we're celebrating the people, families, friends, and furry companions that make Canada such a great place to call home.

Whether you're enjoying a backyard BBQ, watching fireworks, or spending time with the people (and pets!) you love, we hope you have a safe and memorable Canada Day.

Happy Canada Day from all of us! 🍁

Address

28 Adelaide Street South
London, ON
N5Z3K2

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