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Your Go-To HVAC Pros

Heating, Air Conditioning, and Indoor Air Quality Services

In Malvern, PA

Michall Daimion Heating & Air Conditioning, Inc. has served the Main Line for the past 40 years. Our vision has always been to provide local homeowners with peace of mind. Through skill and integrity, we help people be comfortable and secure in their home environment. Our company has an atmosphere based on honest communication, respect, and trust. We abide by these core values:

  • Respect: Listen and offer honest counsel
  • Accountability: Do it right—the first time
  • Excellence: Craftsmanship that lasts.
  • Collaboration: Working together to achieve more.

We have a team of highly motivated, efficient, NATE-certified technicians who work on high quality products from brands like Goodman, Carrier, Bryant, and more. Reach out to us and let our professionals get your home in the best shape possible. We’ll always be here when you need us.

Call us today for all your HVAC needs. We’re a professional team of hardworking technicians.


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Our founder, Michall in an AC unit.  Dogs Nugget and Lily on the right.

Our founder, Michall and snuggle managers, Nugget and Lily.

Meet the Whole Team

Reviews from The Main Line

“Timely, professional, and so helpful. I've been a long time customer of the Michel Damion Heating & Air Conditioning Company for several years now. I have always been extremely happy with the experience from scheduling, installation, technicians & respect for myself and my home. I highly recommend the Michel Damion for all of your heating and a/c needs. You will not be disappointed!”

- J. Kelso, from Google

Relax with Michall Daimion’s Membership Plans

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Two Annual Maintenance Visits
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24-Hour Emergency Service
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Priority Scheduling
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20% Discount on Repairs
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Discounted Service Charges
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No Extra Fees for After-Hours Work
Contact Us

Quality Service in the Main Line

Since 1976

Air Conditioning

When summer rolls around Malvern, PA, the temperatures start to peak, and the added humidity makes you feel even hotter. You don’t want to swelter all summer long without an air conditioning system that works for you. Schedule an appointment with us for any of the air conditioning work that you need.

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A father and Son playing together and enjoying their Air Conditioning.


What’s more important than heating in Pennsylvania? We have cold winters and we even get our fair share of snow. You should be able to come in from the cold and know that your home is going to be warm. We’re the team that’s going to assure that you get the heating service that you need—the right warmth for the right price.

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Two technicians moving a heating unit.

Duct Services

Your duct services are the basis for a comfortable home. If you have poorly installed, gaping, or leaking ductwork, then you’re going to need work from the professionals on our team. We’ve got your back every single step of the way. We understand the importance of services like this and we’re not going to cut any corners.

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A technician standing next to a newly installed air duct.

Indoor Air Quality

When you consider home comfort, your indoor air quality services matter too. We all live in the same general area, but our indoor air quality needs are dependent upon the unique needs of our home. You can contact us for air duct cleaning, air filtration and air purifier work, humidifiers, dehumidifiers, and HRV and ERV systems.

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Pulling a dirty filter out of an air unit.

Water Heaters

You need a great water heater for your home here in Malvern, PA. Your water heater is an appliance that you use almost every single day. After all, we’re sure you don’t want to take an icy cold shower even when it is warm outside. If you’re looking for installation, maintenance, repair, or replacement work, then you can get what you need from our team.

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Two technicians inspecting a water line.

We’re IQAir Specialists

We understand how important it is to keep your home safe, clean, and allergen-free. IQAir systems far surpass every other air cleaning solution on the market. We offer air cleaning solutions for every style system and every budget.