Keep Your Air Clean with a HEPA Filter

HEPA filters are one of the most efficient air cleaning products available to improve your home’s air quality.

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Air Quality Experts Serving the London, St. Thomas, & Mount Brydges Areas

What Sets Us Apart

M&K has been serving your communities for over 35 years. Our technicians are all equipped with extensive experience, continuous training, and a vast network of Right TimeTM employees with the knowledge to get the job done right.

Air quality is important to ensure your home is a comfortable one. Our top priority is making sure our work is done right, so your home is a happy one.

We have a 5-star rating on Google, so you know that our customers have received 5-star service. You don’t have to take our word for it, you can see for yourself.

Our guarantees ensure that every service we perform at your home is done quickly, efficiently, and Just RightTM, every time.

Frequently Asked Questions

HEPA stands for “High-Efficiency Particle Arrestor”. It removes the smallest airborne particles from your air, leaving you with clean indoor air.

Most filters need to be changed every 6 months to 2 years, depending on the type you have installed, but if you aren’t sure, please feel free to consult one of our experts.

HEPA filters typically cost more than a traditional air filter. You can get an exact estimate by asking one of our experienced technicians.

Our Guarantees

We have the utmost confidence in our work and our people and want to make sure you do, too. That’s why we offer a 2-year guarantee to repair, replace, or refund. Whatever you need until you’re 100% satisfied.

Why Choose Us?


No LoopholesTM

Up to 2 years after the installation date we ensure 100% satisfaction or your money back. No LoopholesTM, no problems.


No HasslesTM

If your new furnace breaks down within the first 2 years of installment, we’ll fix it for free within 24 hours or give you $1000 for your troubles. No HassleTM, no headache.


Just RightTM

We guarantee that any furnace we install will keep you comfortable. If your system isn’t providing a consistent temperature anywhere within 5 years of the installation date, we’ll fix it up to and including replacing the entire system, totally free. No fluctuations, Just RightTM.


We Respect YouTM

We pride ourselves on always acting with integrity and promise to treat your home with the utmost care and respect. If we don’t meet your expectations in any way, you’ll receive our Five Year System Check-Up PackageTM totally free of charge. We Respect YouTM and your home.

Service Around The Clock. Call Us Today



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Guaranteed Comfort

We aren’t satisfied until you’re satisfied, guaranteed.

Trusted Experience

We have been operating since 1983, which means we have over 35 years of expertise to offer.

Community Focused

We operate in the London area and have been for over 3 decades, which means we’ve gotten to know our neighbours.

Always Ready

We are always available, 24/7 365 for any HVAC emergency you might have.

Technological Expertise

All of our technicians are Right TimeTM certified and continuously trained to maintain excellence.

Exceptional Reviews

We maintain a 5-star rating on Google for a reason; we care about our work.

Contact Us For a Quote on HVAC services in London & the surrounding area.

24/7 365 SERVICE

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