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Why choose Macs Heating and Air?
We take pride in keeping Calgary comfortable — no matter how unpredictable the weather gets. From blistering summer days to freezing winter nights, our team delivers dependable, high-efficiency heating and cooling solutions you can trust.
Financing Options Available!
You can now turn your purchase into low monthly payments! Click to qualify now.
4.9 Stars on Google Review!
Our reputation has been forged in Calgary and over 10 years in business. By choosing to work with us you're choosing experience and the gold standard in customer service and workmanship.
Start your renovation with a well thought out HVAC system
A great project starts with a great plan! Contact us as early in your planning stage as possible so that we can help you include the latest best practices to complete your home build or renovation.
01
Planning
We'll come to site to understand the full scope and advise you on todays best practices
02
System Design
We'll design a system that will heat and cool every corner of your home or business
03
Install Components
Our certified technicians will perform a clean and professional installation
04
Test and Teach
We'll test each system and give you a tutorial to optimize the system to your needs
Hear directly from our clients about their experiences and the impact our technology has had on their operations
Sean and his team were able to come on short notice to help me replace my furnace and fix my humidifier. They did a great job on the install and remained on budget.
- Sean Pestl
I have been working with Shawn, the owner for about three years now and the experience has been nothing short of excellent. The service has been reliable, professional and top-notch. Shawn and his team consistently deliver quality work , and communication has always been smooth.I highly recommend them to anyone looking for dependable and reliable HVAC services.
- Wale Adebayo
I contacted Sean for a furnace repair. He was fast professional and knowledge. My furnace was fixed before I knew it! Highly recommend him to anyone needing a furnace installed or repaired. You will not regret it!
- Jessica H
I've known sean for over 20 years he is a very fair and intelligent man that knows what hes doing. Hard working and reliable id recommend him to anyone looking for a new furnace or repairs his prices are better than most go ahead and give him a call
- Matthew Hand
I had a great experience with Sean, he repaired my air conditioner and did an excellent job. He responded to my request quickly and had it up and running in no time. You can tell he knows what he’s doing. His prices were very fair, especially for the quality of work and fast turnaround. I highly recommend him if you're looking for honest, reliable HVAC service from someone who really cares about his work
- Cheyenne Garret
We purchased a new furnace with installation included. The job was done in a timely matter and they did a super job of cleanup after! Very professional and friendly. Will definitely recommend this company
- Robert Kerr
Choose a furnace company that delivers outstanding customer service!
Explore a variety of solutions to find one that works best for you
Install & Service
Upgrade to a HE furnace and start saving!
Hepafilters/ Humidifiers
Increase safety and Comfort with our complete system
Renovations
Increase your homes value with well conditioned living spaces.
Smart Home Automation
Optimizing your thermostat can help save you hundreds of dollars every year!
Installations / Repairs
New Construction or Repair and Renovations
24 / 7 Emergency Service
Certified technicians are ready to serve you better
Proudly Calgarian!
As a local business our staff is 100% Calgarian and we donate 5% of our profits to support community initiatives such as the Animal Shelter
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