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About Us

Knight Plumbing, Heating & Air Conditioning has proudly assisted Calgarians with their homes for over 5 decades.

We know how important it is to have your home functional and comfortable. It is our pleasure to help you when it isn’t.

See why customers choose Knight to take care of their installations, servicing, and maitenence of their home’s heating, cooling, plumbing, and more.


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Why Choose Knight Plumbing, Heating and Air Conditioning?

Give Knight a chance, and we think you’ll agree that we not only provide expert services but friendly service as well.

Most of our business is through word of mouth— our customers trust us with their friends and family.

You don’t need to take our word for it. Hear from our customers on HomeStars, on Google, and on our Testimonials page.

50 years of HVAC experience
Consumer Choice Award 2021 Southern Alberta
Knight Plumbing's best of the best HomeStars award for 2023.
Top Choice Award icon
Better Business Bureau Rating

3rd time winner of Homestars award Knight Plumbing
A family business: (l-r) Bernie Wandler, Ryan Wandler, and Tony Hinger. “Rusty” the van is the oldest surviving van at Knight.

Family Business With Over 50 Years of Trust

Knight (originally named Assured) has been providing exceptional service in Calgary and the surrounding areas since 1970. Knight/Assured has been a member of the Mechanical Contractors Association of Alberta for over 30 years. Knight has been accredited by the Better Business Bureau since 1991.

Knight began when Tony Hinger started out as a commercial plumbing provider. The business soon expanded to residential plumbing, heating and air conditioning, with Tony’s daughter Belinda and son-in-law Bernie taking active roles. Today they are joined by Tony’s grandchildren Ryan and Meagan, making Knight 3 generations strong.

Award Winning Service

We work hard to provide the kind of service that makes our customers return again and again, and we’re pleased to say that we’ve been recognized by several independent organizations for our efforts. We are a HomeStars Best of 2016, 2017, 2018, 2019, 2020 and 2021 winner. We have also won the Consumers Choice and Top Choice awards for 2019, 2020 and 2021. In 2012, Knight won the Better Business Bureau’s Business Ethics Award for Southern Alberta and The East Kootenays of British Columbia. Read about our complete list of awards.

Men in front of Knight truck

Emergency Service 24/7/365

When you call, you will speak to a live person every time: no callbacks, no answering machines, no voicemail.

We have true 24/7/365 emergency service

with a real person answering the phone.

Our Well-Trained, Professional Technicians Are On Time

You’ll be truly impressed with our expertise and service:

  • Our technicians are professionally-trained, licensed, and experienced.
  • We do background checks on technicians before hiring.
  • Technicians participate in regular training meetings to upgrade their skills and stay current on new products, trends, and city code regulations.
  • Technicians are in uniforms and look after the customers’ home by using mats and wearing booties. An extra tech will be sent to the home if that’s what’s needed to safeguard floors.
  • We have GPS on all our vans for security and to ensure customer appointments are on time.
  • Courtesy calls before dispatching a technician to give homeowners peace of mind that the person at their door is from our company.

Our Guarantees

We stand behind our work and our people. For up to 2 years from the day we install a new heating or cooling unit, we will repair, replace, or refund anything necessary until you are 100% satisfied. That’s our guarantee to you.


No Loopholes™

Up to 2 years after the installation date we ensure 100% satisfaction with your system performance or your money back. No Loopholes™, no problem.


No Hassles™

If your unit breaks down within 2 years of installation, we’ll repair it within 24 hours or give you $1,000 for your troubles. No hassles, guaranteed.


Just Right™

If your unit is too hot or too cold, we’ll make it right, including a complete replacement if necessary. Just right, guaranteed.


We Respect You™

If we are disrespectful or if we fail to keep your home clean and damage-free, we’ll give you our full, 5-year Just Right™ Check Up Protection Plan for free. We respect you, guaranteed. No hassles, guaranteed.

Learn more about our guarantee >